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Category > Biology Posted 11 Aug 2020 My Price 35.00

SCI 115 Unit 2 Milestone Human Biology Sophia Course

SCI 115 Unit 2 Milestone Human Biology Sophia Course

Click below link for Answers

1

Which type of muscle makes up blood vessels?

·

Skeletal

·

Smooth

·

Cardiac

·

None--blood vessels are not muscles

CONCEPT

Muscular System

2

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

·

oxygen; ATP

·

calcium; kinetic

·

calcium; ATP

·

oxygen; kinetic

CONCEPT

Muscle Contractions: Micro Level

3

Which kind of joint allows the arm to bend?

·

Synovial

·

Cartilaginous

·

Suture

·

Fibrous

CONCEPT

Joints

4

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

·

Feet

·

Shoulders

·

Hips

·

Ribcage

CONCEPT

Skeleton

5

The origin and the insertion are made up of __________.

·

ligaments

·

tendons

·

smooth muscle

·

myofibrils

CONCEPT

Skeletal Muscles

6

Which of the following injuries involves a bone that has broken into two pieces?

·

Common fracture

·

Compound fracture

·

Complete fracture

·

Simple fracture

CONCEPT

Skeletal Health and Disorders

7

Which of the following statements is true?

·

Osteoclasts build new bone tissue when there is too much calcium in the bloodstream.

·

Osteoblasts build new bone tissue and release calcium into the bloodstream as a byproduct.

·

Osteoclasts break down bone tissue to release calcium into the bloodstream.

·

Osteoblasts break down bone tissue to release calcium into the bloodstream.

CONCEPT

Homeostasis and Bone Remodeling

8

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

·

Creatine

·

Myosin

·

Human growth hormone

·

Testosterone

CONCEPT

Muscle Building and Steroids

9

Which of the following is a condition characterized by the wearing away of cartilage between joints?

·

Osteoarthritis

·

Carpal tunnel syndrome

·

Inflammation

·

Osteoporosis

CONCEPT

Skeletal Health and Disorders

10

Which of the following statements is true of the effects of aerobic exercise on the muscle?

·

Aerobic exercise leads to stronger muscles that sustain activity for short periods of time.

·

Aerobic exercise increases mitochondria within cells, making muscles able to sustain activity for longer periods of time.

·

Aerobic exercise leads to significantly larger muscles.

·

Aerobic exercise significantly increases myofibrils within the muscles.

CONCEPT

Muscle Building and Steroids

11

When a muscle is at rest, what blocks myosin from binding with actin?

·

Troponin

·

Creatine

·

Tropomyosin

·

Myoglobin

CONCEPT

Nervous System and Contractions

12

What does red bone marrow do?

·

It produces white blood cells only.

·

It produces red blood cells only.

·

It produces red and white blood cells.

·

It converts itself to yellow marrow when necessary.

CONCEPT

Bone Structure and Growth

13

Which of the following best characterizes red skeletal muscles?

·

Red skeletal muscles are also sometimes referred to as "fast skeletal muscles" or "fast-twitch skeletal muscles."

·

Red skeletal muscles, such as those in your legs and back, allow for longer sustained activities such as standing, walking or running.

·

An olympic sprinter is highly reliant on red skeletal muscle because they contract very quickly for a short period of time.

·

Red skeletal muscles contract more slowly than white skeletal muscles because they contain fewer mitochondria.

CONCEPT

Types of Skeletal Muscle and Muscle Contraction Overview

14

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

15

Which of these muscular disorders can be passed by parents to their offspring?

·

Muscular dystrophy

·

Atrophy

·

Tetanus

·

Muscle spasm

CONCEPT

Muscle System Disorders

1

 

 

The image is showing the _________ of muscle contraction.

·

fiber bundling

·

calcium release

·

sliding filament mechanism

·

repeated stimulation

CONCEPT

Muscle Contractions: Micro Level

2

Which of the following represents an involuntary muscle contraction?

·

Michael swats a fly away from his food.

·

Maureen's pupils narrow in response to bright light.

·

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

·

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

CONCEPT

Muscular System

3

What does red bone marrow do?

·

It converts itself to yellow marrow when necessary.

·

It produces red blood cells only.

·

It produces white blood cells only.

·

It produces red and white blood cells.

CONCEPT

Bone Structure and Growth

4

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

·

Kidneys

·

Pancreas

·

Bone marrow

·

Liver

CONCEPT

Muscle Building and Steroids

5

Which of the following statements is true?

·

Osteoclasts build new bone tissue when there is too much calcium in the bloodstream.

·

Osteoblasts build new bone tissue and release calcium into the bloodstream as a byproduct.

·

Osteoblasts break down bone tissue to release calcium into the bloodstream.

·

Osteoclasts break down bone tissue to release calcium into the bloodstream.

CONCEPT

Homeostasis and Bone Remodeling

6

Which of the following is required for muscle contraction?

·

Zinc

·

Calcium

·

Magnesium

·

Sodium

CONCEPT

Nervous System and Contractions

7

Which of the following activities uses white skeletal muscles?

·

Walking

·

Swimming

·

Snapping your fingers

·

Running a marathon

CONCEPT

Types of Skeletal Muscle and Muscle Contraction Overview

8

Which of the following is a condition characterized by the wearing away of cartilage between joints?

·

Inflammation

·

Osteoarthritis

·

Osteoporosis

·

Carpal tunnel syndrome

CONCEPT

Skeletal Health and Disorders

9

What kind of joint has very little to no movement?

·

All joints allow movement

·

Cartilaginous

·

Fibrous

·

Synovial

CONCEPT

Joints

10

Which exercise will help build larger and stronger muscles?

·

Weightlifting

·

Swimming

·

Biking

·

Yoga

CONCEPT

Muscle Building and Steroids

11

The origin and the insertion are made up of __________.

·

smooth muscle

·

ligaments

·

tendons

·

myofibrils

CONCEPT

Skeletal Muscles

12

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

·

Hips

·

Chest

·

Backbone

·

Head

CONCEPT

Skeleton

13

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 voluntary contractions of muscles that 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 involuntary contractions of muscles that do not release immediately.

CONCEPT

Muscle System Disorders

14

Which of the following involves ligaments being stretched too far or torn?

·

Compound fractures

·

Sprains and strains

·

Complete fractures

·

Simple fractures

CONCEPT

Skeletal Health and Disorders

15

Which of these is true for reciprocal innervation?

·

It occurs in synergistic contraction.

·

It occurs in all types of muscles.

·

It controls the muscles that work against one another.

·

It allows the muscles to contract with more force.

CONCEPT

Types of Skeletal Muscle and Muscle Contraction Overview

Which of the following statements is true?

·

Yellow bone marrow can convert to red bone marrow.

·

Yellow bone marrow produces red and white blood cells.

·

Yellow bone marrow is only found in children.

·

Yellow bone marrow stores proteins.

Which of the following is a skeletal disorder that occurs when two bones at a joint are no longer in contact with each other?

·

Fracture

·

Atrophy

·

Sprain

·

Dislocation

Why do bones undergo remodeling?

·

To correct calcium levels in the bloodstream

·

To redistribute calcium from stronger bones to weaker bones

·

To change shape in response to environmental factors

·

To constantly replace dying bone cells

Which of the following is NOT a key symptom of carpal tunnel syndrome?

·

Inflammation of tendons in the wrist

·

Deterioration of the carpal bones

·

Numbness and tingling in the fingers

·

Pain in the wrist and hand

Which of the following does the muscular system do?

·

Remove waste from the bloodstream

·

Give the body its shape and structure

·

Protect the body from outside factors

·

Help blood move through the body

Which of the following statements is true?

·

A tendon connects a muscle to the bone.

·

A tendon connects two bones.

·

A ligament connects a muscle to the bone.

·

A tendon connects two muscles.

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

·

Origin

·

Extensor

·

Tendon

·

Insertion

Which of the following best characterizes white skeletal muscles? 

·

They fatigue more quickly than red skeletal muscles.

·

They contain large amounts of myoglobin.

·

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

·

Most muscles in your body are white skeletal muscles.

 

 

 

What helps an information signal to cross a synapse and enter the muscular system?

·

Calcium

·

Neurotransmitter

·

Sodium

·

Nerve impulse

acts on groups of paired muscles. When one muscle contracts, the opposite muscle cannot contract because no stimulus is sent. 

·

Reciprocal innervation

·

Sliding-filament mechanism

·

Antagonistic contraction

·

Synergistic contraction

Which of the following statements is true?

·

The pectoral girdle contains the shoulders, arms and hands.

·

The pectoral girdle contains the legs and feet.

·

The pelvic girdle contains the hips and lower spine.

·

The pelvic girdle contains the shoulders, arms and hands.

Which of the following is a two-layered tissue that covers the bones?

·

Osteon

·

Periosteum

·

Epiphysis

·

Osteoblast

Select the true statement about anabolic steroids. 

·

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

·

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

Which of the following is found on the outside of skeletal muscles?

·

Myofibrils

·

Sarcomere

·

Bundles

·

Sheath

Which of the following conditions involves painful friction between two bones?

·

Osteoarthritis

·

Carpal tunnel

·

Osteoporosis

·

Dislocation

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

·

Increase in myoglobin

·

Decrease in myoglobin

·

Decrease in the number of mitochondria

·

Increase in the number of skeletal muscles

A gymnast couldn't bend his knees after an accident. His doctors told him that the reason behind this is a tear in the knee muscle.

Which of these muscle system disorders best represents the condition of the gymnast's knees?

·

Atrophy

·

Tetanus

·

Muscle strain

·

Muscular dystrophy

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

·

Osteoblasts

·

Calcitonin

·

Osteoclasts

·

Parathyroid hormone (PTH)

Which of the following is the basic unit of contraction in a muscle?

·

Motor unit

·

·

Filament

·

·

Motor neuron

·

·

Sarcomere

·

Which of the following best characterizes white skeletal muscles? 

·

They fatigue more quickly than red skeletal muscles.

·

·

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

·

·

Most muscles in your body are white skeletal muscles.

·

·

They contain large amounts of myoglobin.

·

Which of the following best characterizes white skeletal muscles? 

·

Most muscles in your body are 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.

·

 

Answers

(118)
Status NEW Posted 11 Aug 2020 09:08 PM My Price 35.00

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file 1597180748-SCI 115 Unit 2 Milestone Human Biology Sophia Course.docx preview (1548 words )
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