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Category > Biology Posted 11 Aug 2020 My Price 55.00

SCI 115 Final Exam Human Biology sophia Course

SCI 115 Final Exam Human Biology sophia Course

Click below link for Answers

1

Which part of the large intestine is analogous to the urinary bladder?

·

Anus

·

Rectum

·

Descending colon

·

Appendix

CONCEPT

Large Intestine

2

Which part of the brain receives nerve impulses from the optic nerve? 

·

Cerebral cortex

·

Visual cortex

·

Corpus callosum

·

Brainstem

CONCEPT

Vision

3

Which nerves are mostly involved in pupil dilation and other "fight-or-flight" responses?

·

Sympathetic

·

Parasympathetic

·

Autonomic

·

Somatic

CONCEPT

Central And Peripheral Nervous System

4

Why are mitochondria called the "powerhouse" of a cell?

·

They convert water into oxygen.

·

They convert light into food.

·

They convert food into energy.

·

They convert energy into oxygen.

CONCEPT

Mitochondria

5

What funnels sound waves from outside the ear toward the middle ear?

·

Auditory canal

·

Eardrum

·

Auditory nerve

·

Mechanoreceptors

CONCEPT

Ear Anatomy and Hearing

6

What is "tidal volume?"

·

The amount of air in each breath

·

The minimum amount of oxygen that has to be present in the air

·

The amount of water the lungs can hold without failing

·

The amount of water the human body can hold

CONCEPT

Respiration and the Respiratory Cycle

7

Which type of white blood cell targets bacteria and fungi?

·

Neutrophils

·

Basophils

·

Eosinophils

·

Monocytes

CONCEPT

White Blood Cells

8

Which of the following is an example of an integrator working to maintain homeostasis?

·

The brain processes information about blood calcium levels being too high and determines that calcium levels need to be lowered. 

·

The heart begins pumping faster if blood pressure drops too low.

·

Muscle cells cause you to shiver in an attempt to raise your body temperature if it is too low.

·

Thermoreceptors in your body detect a change in temperature when you walk into an air-conditioned building.

CONCEPT

Homeostasis

9

Which of the following body parts is included in the appendicular skeleton?

·

Backbone

·

Head

·

Chest

·

Hips

CONCEPT

Skeleton

10

Which organ of the endocrine system is part of the brain?

·

Adrenal gland

·

Pineal gland

·

Pancreas

·

Parathyroid gland

CONCEPT

Organs of the Endocrine System

11

What kind of blood pressure exists when the ventricle relaxes?

·

Diastolic

·

Hypotension

·

Systolic

·

Hypertension

CONCEPT

Blood Pressure

12

Which part of the kidney does the actual filtering of the blood?

·

Renal cortex

·

Nephrons

·

Renal medulla

·

Renal pelvis

CONCEPT

Kidneys

13

What is the gene that goes with a trait called?

·

Genotype

·

Recessive allele

·

Phenotype

·

Heredity

CONCEPT

Heredity

14

Which statement about active transport is true?

·

It involves the use of DNA.

·

It requires ATP molecules.

·

It does not require transport proteins.

·

It involves smaller molecules only.

CONCEPT

Facilitated Diffusion

15

A tonicity with a high concentration of solutes is said to be _________.

·

isotonic

·

hypertonic

·

hypotonic

·

selectively permeable

CONCEPT

Osmosis

16

What is variation, in the extent to which a gene is expressed, called?

·

Multifactorial trait

·

Pleiotropy

·

Penetrance

·

Polygenic trait

CONCEPT

Polygenic Traits and Pleiotropy

17

Which segment of the small intestine connects to the large intestine?

 

·

Duodenum

·

Lipase

·

Ileum

·

Jejunum

CONCEPT

Small Intestine

18

Which of the following describes a way in which a diuretic can impact homeostatic conditions in the body?

·

It can cause the water to overly concentrate urine.

·

It can cause the body to reabsorb more sodium than it normally would.

·

It can cause the body to drastically decrease urine output.

·

It can cause the body to lose more water than necessary through urine.

CONCEPT

Fluid Balance and Blood Pressure

19

Which of the following statements about secondary messengers is true?

·

They carry out the effects of steroid hormones within the cell.

·

They are a third type of hormone, although they differ significantly from the other two.

·

They work with both steroid and non-steroid hormones to carry out their effects in the cell.

·

They carry out the effects of non-steroid hormones within the cell.

CONCEPT

Steroid and Non-Steroid Hormones

20

The origin and the insertion are made up of __________.

·

ligaments

·

tendons

·

smooth muscle

·

myofibrils

CONCEPT

Skeletal Muscles

21

Which organelle is mainly responsible for synthesizing proteins?

·

Golgi body

·

Ribosomes

·

Smooth ER

·

Nuclear envelope

CONCEPT

Endoplasmic Reticulum

22

Which of the following represents an involuntary muscle contraction?

·

Maureen's pupils narrow in response to bright light.

·

Jude turns the page of a book he's reading.

·

Roxanne goes for a walk to stimulate her muscles the day after finishing a marathon.

·

Michael swats a fly away from his food.

CONCEPT

Muscular System

23

Which component of blood helps it to clot?

·

Platelets

·

Plasma

·

Red blood cells

·

White blood cells

CONCEPT

Blood

24

The _______ is the part of the brain that controls voluntary movements, while the ______ helps regulate activities that we do not control, including breathing and heartbeat.

·

cerebellum; cerebrum

·

midbrain; hindbrain

·

cerebellum; medulla oblongata 

·

medulla oblongata; pons

CONCEPT

Hindbrain and Midbrain

25

Which of the following occurs during interphase (G1, S and G2) of the cell cycle?

·

The cell grows larger and makes copies of DNA to prepare for cell division.

·

Chromosomes align on the metaphase plate.

·

DNA condenses into chromosomes.

·

The plasma membrane pinches off to form two separate cells.

CONCEPT

Mitosis

1

Which eye disorder has the following characteristics?

·Eyeball is wider than it is tall.

·Images focus in front of the retina rather than on it.

·

Glaucoma

·

Hyperopia

·

Myopia

·

Retinoblastoma

CONCEPT

Disorders of the Eye

2

Which of the following is required for muscle contraction?

·

Sodium

·

Zinc

·

Calcium

·

Magnesium

CONCEPT

Nervous System and Contractions

3

What role does the enzyme thrombin play in blood clotting?

·

It attracts platelets to itself to cause a clot.

·

It causes red blood cells to clump together and form a clot.

·

It causes threads to form across the damaged area that catch platelets and cause a clot.

·

It binds with platelets to make fibrin, which then covers the damaged area like a sheet.

CONCEPT

Platelets

4

Which of the following is the result of mitosis?

·

Four diploid cells that are identical to the parent cell

·

Four haploid cells that are identical to the parent cell

·

Two haploid cells that are identical to the parent cell

·

Two diploid daughter cells that are identical to the parent cell

CONCEPT

Mitosis

5

Which organ secretes fructose that is used by sperm as an energy source?

·

Prostate gland

·

Seminal vesicle

·

Epididymis

·

Vas deferens

CONCEPT

Male Reproductive System

6

Which of these is true about a clone?

·

It is a white blood cell infected by a virus.

·

It is a genetic copy of a cell.

·

It is a type of cancerous stem cell.

·

It is a hybrid version of two different cell types.

CONCEPT

DNA Technology and Research

7

Which choice is true of Sertoli cells?

·

They release enzymes that help in fertilization.

·

They produce sperm.

·

They release the male sex hormone.

·

They provide nourishment to developing sperm.

CONCEPT

Sperm Formation

8

Select the statement that is TRUE regarding metabolism.

·

In catabolism, complex carbohydrates are formed from smaller molecules.

·

In anabolism, complex carbohydrates are broken down into basic sugars.

·

In anabolism, complex carbohydrates are formed from smaller molecules.

·

In catabolism, monosaccharides are turned into polysaccharides.

CONCEPT

Metabolism

9

Which of the following sources of information is most credible?

·

Medical advice given by a nursing intern during an appointment

·

A lecture given by a biology teacher on the first day of class

·

An unbacked statement from a trusted friend

·

A high school biology textbook written and reviewed by a team of biology professors

CONCEPT

Evaluate Information

10

Which part of the large intestine helps fight parasites that have survived the previous digestive tract?

·

Appendix

·

Colon

·

All parts of the large intestine

·

Rectum

CONCEPT

Large Intestine

11

Why is DNA replication considered semi-conservative?

·

Two strands of the original DNA molecule are separated.

·

The new double helix has two strands of new DNA.

·

Half of the DNA molecule produced is from an RNA precursor.

·

The new double helix has one strand from the original DNA and one new strand.

CONCEPT

DNA Replication

12

This ear disorder, which produces inflammation in the inner ear, is commonly referred to as an ear infection.

·

Motion sickness

·

Vertigo

·

Otis media

·

Tinnitus

CONCEPT

Disorders of the Ear

13

Jaundice, which is among the many negative side effects of anabolic steroid use, indicates damage to which part of the body?

·

Kidneys

·

Pancreas

·

Liver

·

Bone marrow

CONCEPT

Muscle Building and Steroids

14

What does "renal" mean?

·

The back half of the abdomen

·

Having to do with the urinary system

·

Filtrating

·

Having to do with the kidneys

CONCEPT

Kidneys

15

Which of the following statements about the stomach is true?

·

The stomach processes nutrients, absorbs water and removes any toxins created during chemical digestion.

·

Pepsins are the digestive enzymes that enable the stomach to break down proteins.

·

Amylase is the pasty substance that's created when stomach enzymes and food mix together.

·

The stomach receives chyme from the esophagus, which it turns into bolus before passing it on to the small intestine.

CONCEPT

Stomach

16

What is the cerebral spinal fluid's primary role?

·

Keeping an adequate amount of blood flowing into the brain

·

Washing the brain of metabolic waste

·

Connecting the brain to the skull

·

Preventing viruses, toxins and bacteria from entering the brain's blood supply

CONCEPT

The Brain

17

What is the term for wave-like contractions of the digestive tract that help move food through?

·

Salivary amylase

·

Bolus

·

Peristalsis

·

Palate

CONCEPT

Chewing and Swallowing

18

Which of these accurately describes the change in the muscle cells of a person running a marathon?

·

Decrease in myoglobin

·

Increase in the number of skeletal muscles

·

Increase in myoglobin

·

Decrease in the number of mitochondria

CONCEPT

Muscle Building and Steroids

19

Which component of blood plays a role in the immune system?

·

Platelets

·

Plasma

·

White blood cells

·

Red blood cells

CONCEPT

Blood

20

Which of the following contains the endoplasmic reticulum, Golgi bodies and the nuclear envelope?

·

The rough ER

·

The lymphatic system

·

The Golgi apparatus

·

The endomembrane system

CONCEPT

Endoplasmic Reticulum

21

Which of these describes agglutination?

·

It is the condition resulting from a person being given type O blood.

·

It is the condition resulting from a person being given the right type of blood.

·

It is the condition resulting from a person being given type AB blood.

·

It is the condition resulting from a person being given the wrong type of blood.

CONCEPT

Blood Types

22

What is the role of a tumor suppressor?

·

Helps normal cells to divide

·

Restricts expression of oncogenes

·

Allows growth of normal cells

·

Promotes growth of oncogenes

CONCEPT

Cancer and Homeostasis

23

Where is cytosol found?

·

Between the two layers of the plasma membrane

·

Inside the nucleus

·

Surrounding the cell

·

In the cytoplasm

CONCEPT

Cytoplasm

24

Which developmental disorder of the brain hinders thinking, language and social skills?

·

Paralysis

·

Schizophrenia

·

Seizure

·

Autism

CONCEPT

Nervous System Health and Disorders

25

At what level of protein structure do amino acid chains twist and fold?

·

Quaternary

·

Tertiary

·

Primary

·

Secondary

CONCEPT

Proteins

 

 1

What kind of immunity involves white blood cells that have receptors for specific pathogens that changes over time and produces memory cells?

·

Adaptive

·

Innate

·

Pathogenic

·

General

CONCEPT

Pathogens

2

A woman in labor is giving birth to a baby feet first, or in breech. 

What should the doctor do?

·

Turn the baby around.

·

Push the baby back into the uterus.

·

Pull the baby out of the mother's body.

·

Cut the umbilical cord.

CONCEPT

Labor and Birth

3

Which of the following statements about vaccines is true?

·

A vaccine prompts the body's B-cells to produce antibodies and memory cells.

·

Vaccines elicit the body to produce passive immunity against a particular virus.

·

All vaccines produce lifelong immunity against a virus.

·

The dead or weakened virus injected during a vaccination is an example of an antibody.

CONCEPT

Vaccines

4

Which of the following is released by the brain when there is too little calcium in the blood?

·

Osteoblasts

·

Calcitonin

·

Parathyroid hormone (PTH)

·

Osteoclasts

CONCEPT

Homeostasis and Bone Remodeling

5

Which of these is an autosomal recessive disorder that can result in mental retardation if levels of a certain amino acid get too high?

·

Cystic fibrosis

·

Down syndrome

·

Phenylketonuria

·

Huntington's disease

CONCEPT

Autosomal Recessive Traits and Disorders

6

Which of the following statements about aging is true?

·

The way in which you age is completely dictated by your lifestyle.

·

As a woman ages, she enters andropause and can no longer reproduce.

·

All of these statements are correct.

·

Signs of aging may include changes in your skin, height, muscle mass, bones and organ function.

CONCEPT

Effects of Aging on Your Body

7

Which of the following statements about glycolysis is true?

·

Phosphorylation halts the process when ATP levels get too low.

·

It is the last stage of cellular respiration.

·

It utilizes a molecule of glucose to produce three ATP.

·

It is an anaerobic process.

CONCEPT

Glycolysis

8

Which statement about active transport is true?

·

It involves smaller molecules only.

·

It does not require transport proteins.

·

It involves the use of DNA.

·

It requires ATP molecules.

CONCEPT

Facilitated Diffusion

9

Sometimes a trait can be influenced by multiple genes. 

What would such a trait be called?

·

Multifactorial trait

·

Pleiotropy

·

Penetrance

·

Polygenic trait

CONCEPT

Polygenic Traits and Pleiotropy

10

Where is follicle stimulating hormone secreted from?

·

Thyroid gland

·

Hypothalamus

·

Testes

·

Pituitary gland

CONCEPT

Sperm Formation

11

Which of the following characteristics is shared by all organisms?

·

Division into multiple sexes

·

Cycles of consciousness and sleep

·

The ability to grow and reproduce

·

Being made up of multiple cells

CONCEPT

Organisms

12

Which of these chromosome abnormalities results in multiple sets of the same sequence of nucleotides?

·

Translocation

·

Duplication

·

Deletion

·

None of these

CONCEPT

Chromosome Structure Changes

13

Which of these occur once an infected cell is identified by cytotoxic T-cells?

·

The cell digests the pathogen.

·

The cell releases helper T-cells.

·

The cell undergoes apoptosis.

·

The cell starts to replicate.

CONCEPT

Cell-Mediated Response

14

Which statement best defines stem cells?

·

They are located in blood vessels and detect ions or molecules dissolved in the bloodstream. 

·

They serve specific purposes and are located only in the central and peripheral nervous systems. 

·

They are undifferentiated and can be found in undeveloped embryos and in mature bodies. 

·

They are located in the brain and detect changes in body position and acceleration.

CONCEPT

Stem Cells

15

Select the TRUE statement about a resting neuron.

·

It is equally permeable to both sodium and potassium ions.

·

It is non-permeable to both sodium and potassium ions.

·

It is more permeable to potassium ions.

·

It is more permeable to sodium ions.

CONCEPT

Membrane Potential and Action Potential

16

What is the term for wave-like contractions of the digestive tract that help move food through?

·

Palate

·

Peristalsis

·

Bolus

·

Salivary amylase

CONCEPT

Chewing and Swallowing

17

Which of these describes the endometrium?

·

The site of oogenesis

·

The external orifice of the uterus

·

The inner lining of the uterus

·

The tube connecting the ovary to the uterus

CONCEPT

Female Reproductive System

18

A person with blood type A can donate blood to individuals with which blood types?

·

A, O, AB

·

A, O

·

A, AB

·

A, B

CONCEPT

Blood Types

19

The _______ is the part of the brain that controls voluntary movements, while the ______ helps regulate activities that we do not control, including breathing and heartbeat.

·

medulla oblongata; pons

·

cerebellum; cerebrum

·

cerebellum; medulla oblongata 

·

midbrain; hindbrain

CONCEPT

Hindbrain and Midbrain

20

Which of the following does the muscular system do?

·

Remove waste from the bloodstream

·

Protect the body from outside factors

·

Give the body its shape and structure

·

Help blood move through the body

CONCEPT

Muscular System

21

Before an oocyte leaves the ovary, it is surrounded by nourishing cells and is called what?

·

An oviduct

·

A follicle

·

A menarche

·

A zona pellucida

CONCEPT

Ovarian Cycle and Menstrual Cycle

22

At what level of protein structure do amino acid chains twist and fold?

·

Primary

·

Secondary

·

Quaternary

·

Tertiary

CONCEPT

Proteins

23

Which information about muscle cramps is true?

·

They are caused by a deficiency of calcium in the body.

They are voluntary contractions of muscles that release immediately.

·

They are caused by a deficiency of potassium in the body.

They are involuntary contractions of muscles that do not release immediately.

·

They are caused by a deficiency of calcium in the body.

They are involuntary contractions of muscles that do not release immediately.

·

They are caused by a deficiency of potassium in the body.

They are voluntary contractions of muscles that release immediately.

CONCEPT

Muscle System Disorders

24

Which type of lipid doesn't have glycerol?

·

Sterol

·

Triglyceride

·

Phospholipid

·

Saturated fat

CONCEPT

Lipids

25

Which part of the eye sends signals to the brain?

·

Fovea

·

Retina

·

Visual cortex

·

Optic nerve

CONCEPT

Vision

 

 

 1

Choose the correct order in which we experience taste/gustation.

·Pores of taste buds receive stimuli

·Taste receptors signal sensory neurons

·Taste buds are stimulated

·Sensory neurons send signal to the brain for interpretation

·

1. Taste buds are stimulated

2. Pores of taste buds receive stimuli

3. Taste receptors signal sensory neurons

4. Sensory neurons send signal to the brain for interpretation

·

1. Taste receptors signal sensory neurons

2. Taste buds are stimulated

3. Pores of taste buds receive stimuli

4. Sensory neurons send signal to the brain for interpretation

·

1. Pores of taste buds receive stimuli

2. Taste buds are stimulated

3. Taste receptors signal sensory neurons

4. Sensory neurons send signal to the brain for interpretation

·

1. Sensory neurons send signal to the brain for interpretation

2. Taste receptors signal sensory neurons

3. Pores of taste buds receive stimuli

4. Taste buds are stimulated

CONCEPT

Smell & Taste

2

What is the cerebral spinal fluid's primary role?

·

Preventing viruses, toxins and bacteria from entering the brain's blood supply

·

Keeping an adequate amount of blood flowing into the brain

·

Connecting the brain to the skull

·

Washing the brain of metabolic waste

CONCEPT

The Brain

3

Which area of the brain receives information collected from mechanoreceptors?

·

Medulla

·

Somatosensory cortex

·

Pons

·

Olfactory lobe

CONCEPT

Somatic Sense

4

Which of the following is an autoimmune disorder?

·

AIDS

·

Allergies

·

Anaphylactic shock

·

Lupus

CONCEPT

Immune System Disorders and HIV/AIDS

5

Which of the following statements is true?

·

Glycolysis has a net gain of two ATP.

·

Glycolysis requires oxygen to happen.

·

Glycolysis occurs within the rough ER.

·

Glycolysis breaks a molecule of glucose into two phospholipids.

CONCEPT

Glycolysis

6

Which statement best defines stem cells?

·

They are undifferentiated and can be found in undeveloped embryos and in mature bodies. 

·

They serve specific purposes and are located only in the central and peripheral nervous systems. 

·

They are located in the brain and detect changes in body position and acceleration.

·

They are located in blood vessels and detect ions or molecules dissolved in the bloodstream. 

CONCEPT

Stem Cells

7

What best describes reproductive cloning?

·

When a cloned embryo can be developed into a fetus in a test tube

·

When a cloned embryo can be transferred into a woman’s uterus

·

When a cloned embryo can be used as a source of gametes

·

When a cloned embryo can be used to grow specific tissues

CONCEPT

DNA Technology and Research

8

Which statement is true?

 

·

Prokaryotic cells don't have DNA.

·

All cells have DNA.

·

In eukaryotic cells, DNA floats freely in the cytoplasm.

·

Prokaryotic cells don't have a plasma membrane.

CONCEPT

Cell Theory

9

Select the true statement about anabolic steroids. 

·

They are a protein naturally found in muscles that binds to oxygen from the blood, which working muscles need in order to function.

·

They are a synthetic substance manufactured to mimic human growth hormones that athletes sometimes use to promote bone growth.

·

They are a substance that occurs naturally in muscle tissue and are sometimes consumed as a supplement by weight trainers.

·

They are a synthetic substance manufactured to mimic testosterone that athletes sometimes use to build muscles.

CONCEPT

Muscle Building and Steroids

10

After fertilization, the newly formed zygote begins to divide into multiple cells through a process called __________.

·

Gastrulation

·

Cleavage

·

Morphogenesis

·

Blastomere

CONCEPT

Fertilization and Early Development

11

Rudolph the Reindeer has a red nose (n), which is a recessive trait. Betsy the Reindeer has a black nose (N), which is a dominant trait, and she does not carry the recessive allele. Assume the rules of human genetics also apply to reindeer.

If Rudolph and Betsy have a calf, what will its genotype be?

·

Either NN or Nn

·

NN

·

nn

·

Nn

CONCEPT

Punnett Squares

12

What is the outer part of the adrenal gland called?

·

Adrenal cortex

·

Adrenal body

·

Adrenal dermis

·

Adrenal medulla

CONCEPT

Adrenal Glands

13

If no embryo is implanted in the uterus, which two hormones' levels decrease in the body of an adult female?

·

Estrogen and progesterone

·

Estrogen and FSH

·

Progesterone and LH

·

FSH and LH

CONCEPT

Ovarian Cycle and Menstrual Cycle

14

Which of the following statements is true about recombinant DNA?

·

It utilizes bacterial plasmids.

·

It contains DNA from more than one species.

·

All of the answer choices are correct.

·

It is used in genetic engineering.

CONCEPT

DNA Technology and Research

15

Which of the following hormones is secreted by the thyroid gland?

·

Calcitonin

·

Epinephrine

·

Cortisol

·

Glucocorticoids

CONCEPT

Thyroid and Parathyroid

16

Some muscle groups work ________, meaning one muscle in the group opposes the action of the other. 

·

antagonistically

·

aerobically

·

synergistically

·

anaerobically

CONCEPT

Types of Skeletal Muscle and Muscle Contraction Overview

17

Which node does a pacemaker assist?

·

It acts against both nodes

·

The AV node

·

The SA node

·

Both the SA and AV nodes

CONCEPT

Cardiac Cycle and Cardiac Conduction System

18

Which of the following sources of information is most credible?

·

An article in the science section of a local newspaper

·

An article in a popular magazine

·

An article in a peer-reviewed journal

·

An article written for the school paper by a science teacher

CONCEPT

Evaluate Information

19

Which of the following statements about enzymes is true?

·

Salivary amylase is an example of an enzyme that breaks down starch.

·

The chemical make-up of an enzyme changes with each time it is used.

·

Enzymes can either speed up or slow down chemical reactions in the body.

·

Enzymes convert products into substrates.

CONCEPT

Enzymes

20

What is "tidal volume?"

·

The amount of air in each breath

·

The amount of water the lungs can hold without failing

·

The minimum amount of oxygen that has to be present in the air

·

The amount of water the human body can hold

CONCEPT

Respiration and the Respiratory Cycle

21

What is true about the Krebs cycle?

·

During the Krebs cycle, carbon dioxide is released, which is exhaled when you breathe.

·

Two pyruvate molecules enter each turn of the cycle.

·

A two carbon molecule called NADH is produced in the preparatory steps of the Krebs cycle.

·

A single turn of the cycle yields two ATP molecules.

CONCEPT

Krebs Cycle

22

A person with blood type A can donate blood to individuals with which blood types?

·

A, O, AB

·

A, O

·

A, AB

·

A, B

CONCEPT

Blood Types

23

A rise in __________ released from the sarcoplasmic reticulum allows actin to bind to myosin and cause a contraction, which requires __________ energy.

·

calcium; kinetic

·

calcium; ATP

·

oxygen; ATP

·

oxygen; kinetic

CONCEPT

Muscle Contractions: Micro Level

24

Which of these can be concluded from an 8-week-old embryo?

·

It is a female.

·

It has attached earlobes.

·

It is prone to obesity.

·

It has brown hair.

CONCEPT

Embryonic and Fetal Development

25

Which part of the digestive system primarily absorbs nutrients?

·

Stomach

·

Pharynx

·

Small intestine

·

Mouth

CONCEPT

Digestion

 

1

Which of the following statements about the stomach is true?

·

The stomach receives chyme from the esophagus, which it turns into bolus before passing it on to the small intestine.

·

Pepsins are the digestive enzymes that enable the stomach to break down proteins.

·

Amylase is the pasty substance that's created when stomach enzymes and food mix together.

·

The stomach processes nutrients, absorbs water and removes any toxins created during chemical digestion.

CONCEPT

Stomach

2

Which of the following is associated directly with the endocrine system?

·

Phagocytes

·

Lymph nodes

·

Hormones

·

Skeletal muscle

CONCEPT

Endocrine System

3

Which division of the peripheral nervous system is associated with involuntary muscle action?

·

Parasympathetic

·

Somatic

·

Autonomic

·

Sympathetic

CONCEPT

Central And Peripheral Nervous System

4

This diagram shows the lymphatic system of a human.

 

Which of these is true for the part labeled X?

·

It is a filtration site for lymph.

·

It is a maturation site for T lymphocytes.

·

It is a production site for antibodies.

·

It is a secretion site for lymph.

CONCEPT

Lymphatic System

5

Which of these occur once an infected cell is identified by cytotoxic T-cells?

·

The cell digests the pathogen.

·

The cell releases helper T-cells.

·

The cell undergoes apoptosis.

·

The cell starts to replicate.

CONCEPT

Cell-Mediated Response

6

Which organ processes and stores nutrients from the digestive system?

·

Liver

·

Gallbladder

·

Pancreas

·

All three

CONCEPT

Pancreas, Gallbladder, & Liver

7

Which of the following structures connects a developing child to the placenta?

·

Chorion

·

Amnion

·

Umbilical cord

·

Yolk sac

CONCEPT

Placenta

8

Which of the following is released by the brain when there is too little calcium in the blood?

·

Parathyroid hormone (PTH)

·

Osteoblasts

·

Calcitonin

·

Osteoclasts

CONCEPT

Homeostasis and Bone Remodeling

9

Where is cytosol found?

·

Between the two layers of the plasma membrane

·

In the cytoplasm

·

Inside the nucleus

·

Surrounding the cell

CONCEPT

Cytoplasm

10

Which of the following statements about enzymes is true?

·

Any enzyme in your body is capable of taking part in any type of reaction.

·

Enzymes most often help to slow down reactions in the body.

·

An enzyme can act to either join substrates together or break them down.

·

The substrate will be physically different, but not chemically different after being acted upon by an enzyme.

CONCEPT

Enzymes

11

Which gland is called the "master gland?"

·

Thymus gland

·

Adrenal gland

·

Pituitary gland

·

Thyroid gland

CONCEPT

Organs of the Endocrine System

12

Dan is dehydrated.

 

Which type of receptor alerts his brain of this?

·

Thermoreceptor

·

Osmoreceptor

·

Chemoreceptor

·

Mechanoreceptor

CONCEPT

Sensory Receptors

13

Which set of statements is true concerning the plasma membrane?

·

It is primarily composed of lipids and it keeps anything from entering or leaving the cell.

·

It is primarily composed of cellular fiber and it controls what enters and leaves the nucleus.

·

It is primarily composed of lipids and it controls what enters and leaves the cell.

·

It is primarily composed of proteins and nucleic acids, and it controls what enters and leaves the cell.

CONCEPT

Plasma Membrane

14

Which of these is responsible for the occurrence of disjunction?

·

Exchange of genetic material

·

Duplication of genetic material

·

Fusion of homologous chromosomes

·

Separation of homologous chromosomes

CONCEPT

Meiosis and Genetic Variability

15

Which of the following statements about glycolysis is true?

·

It is an anaerobic process.

·

Phosphorylation halts the process when ATP levels get too low.

·

It is the last stage of cellular respiration.

·

It utilizes a molecule of glucose to produce three ATP.

CONCEPT

Glycolysis

16

Anabolic steroids, a synthetic substance that athletes sometimes use to build muscles, mimic which hormone in the human body?

·

Creatine

·

Testosterone

·

Human growth hormone

·

Myosin

CONCEPT

Muscle Building and Steroids

17

When a skeletal muscle contracts, what term is used for the end of the muscle that is attached to a moveable bone?

·

Extensor

·

Tendon

·

Insertion

·

Origin

CONCEPT

Skeletal Muscles

18

In what specific part of the respiratory system does the exchange of gasses between the bloodstream and the air occur?

·

Trachea

·

Bronchi

·

Alveoli

·

Pharynx

CONCEPT

Lower Respiratory Tract

19

Which part of the neuron receives signals from other neurons?

·

Axon endings

·

Conducting zone

·

Dendrites

·

Trigger zone

CONCEPT

Neurons

20

Being left-handed (represented as l) is a recessive trait. Jim and Suzie are both left-handed. 

If they have a child, which of the following could be his/her genotype?

·

ll

·

Either Ll or ll

·

LL

·

Ll

CONCEPT

Punnett Squares

21

Monoclonal antibodies and __________ can be used to treat certain types of cancers in a process known as immunotherapy.

·

Macrophages

·

Polyclonal antibodies

·

Leukocytes

·

Cytokines

CONCEPT

Organ Transplant and Immunotherapy

22

Which of the following statements is true?

·

Diffusion is the movement of molecules from an area of low concentration to an area of high concentration.

·

Diffusion is the movement of molecules across a plasma membrane, regardless of concentration gradient.

·

Diffusion is the movement of molecules from an area of high concentration to an area of low concentration.

·

Diffusion requires ATP to function.

CONCEPT

Diffusion

23

What has to occur for a person to inherit an autosomal recessive trait?

·

One parent must contribute a recessive allele while the other contributes a dominant allele.

·

One parent must contribute a recessive allele.

·

Both parents must contribute recessive alleles.

·

Both parents must contribute dominant alleles.

CONCEPT

Autosomal Recessive Traits and Disorders

24

Which statement best defines stem cells?

·

They serve specific purposes and are located only in the central and peripheral nervous systems. 

·

They are located in blood vessels and detect ions or molecules dissolved in the bloodstream. 

·

They are undifferentiated and can be found in undeveloped embryos and in mature bodies. 

·

They are located in the brain and detect changes in body position and acceleration.

CONCEPT

Stem Cells

25

Which of the following statements about steroid hormones is true?

·

They are proteins that bind to receptors on the plasma membrane.

·

They are lipids that bind to receptors on the plasma membrane.

·

They are lipids that enter the cell and bind to receptors on the nucleus.

·

They are proteins that enter the cell and bind to receptors on the nucleus.

CONCEPT

Steroid and Non-Steroid Hormones

 

 

 

 Which part of the large intestine is analogous to the urinary bladder?

·

Anus

·

·

Appendix

·

·

Rectum

·

·

Descending colon

·

 

 

 Which of the following best characterizes white skeletal muscles? 

·

They require more energy and thus contain more mitochondria than red skeletal muscles.

·

·

They fatigue more quickly than red skeletal muscles.

·

·

They contain large amounts of myoglobin.

·

·

Most muscles in your body are white skeletal muscles.

·

What is chromatin? 

·

A structure found within the nucleus that produces subunits of ribosomes

·

A cell organelle that houses the DNA and controls activity within the cell

·

A condensed form of DNA that occurs when the cell is dividing

·

A form of uncondensed DNA found within the nucleus of the cell

 

 

Answers

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Status NEW Posted 11 Aug 2020 09:08 PM My Price 55.00

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