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Category > Biology Posted 11 Aug 2020 My Price 35.00

SCI 115 Unit 3 Milestone Human Biology Sophia Course

SCI 115 Unit 3 Milestone Human Biology Sophia Course

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What is the smallest region of the brain?

Midbrain

Forebrain

Hindbrain

Every person's brain is different

CONCEPT

The Brain

Choose the correct order of the steps in recognizing a smell.

·Neurons are stimulated

·Olfactory receptors detect vaporized odor molecules

·Signal forwarded to cerebral cortex for interpretation

·Nerve impulse travels to the olfactory bulb in the brain

1. Olfactory receptors detect vaporized odor molecules

2. Signal forwarded to cerebral cortex for interpretation

3. Nerve impulse travels to the olfactory bulb in the brain

4. Neurons are stimulated

1. Signal forwarded to cerebral cortex for interpretation

2. Olfactory receptors detect vaporized odor molecules

3. Nerve impulse travels to the olfactory bulb in the brain

4. Neurons are stimulated

1. Olfactory receptors detect vaporized odor molecules

2. Neurons are stimulated

3. Nerve impulse travels to the olfactory bulb in the brain

4. Signal forwarded to cerebral cortex for interpretation

1. Neurons are stimulated

2. Olfactory receptors detect vaporized odor molecules

3. Signal forwarded to cerebral cortex for interpretation

4. Nerve impulse travels to the olfactory bulb in the brain

CONCEPT

Smell & Taste

Which part of the cerebral cortex interprets the meaning of sensations?

Sensory areas

Motor areas

Association areas

All three

CONCEPT

Forebrain and Its Cerebrum

Select the TRUE statement about a resting neuron.

It is more permeable to potassium ions.

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

It is more permeable to sodium ions.

It is equally permeable to both sodium and potassium ions.

CONCEPT

Membrane Potential and Action Potential

Amy meets her new coworker for the first time and realizes they went to high school together.

Which type of receptor most likely allowed for this realization?

Photoreceptor

Osmoreceptor

Nociceptor

Thermoreceptor

CONCEPT

Sensory Receptors

Parkinson’s disease is caused by __________.

an injury to the spinal cord

an injury in the peripheral nervous system

a viral infection that affects various parts of the brain

the breakdown of neurons, affecting neurotransmitter production

CONCEPT

Nervous System Health and Disorders

People who experience the same type of pain over and over again often feel it less and less each time.

What is this an example of?

Sensory adaptation

Visceral pain

Referred pain

Somatic sensations

CONCEPT

Somatic Sense

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

Corpus callosum

Cerebral cortex

Brainstem

Visual cortex

CONCEPT

Vision

A ringing or buzzing of the ears is a characteristic of this disorder, which can be caused by a variety of different factors.

Vertigo

Tinnitus

Otis media

Motion sickness

CONCEPT

Disorders of the Ear

Which of the following statements is true?

The axon fulfills a structural purpose and does not carry any signals.

The axon conducts signals toward the cell body.

The axon carries signals to and from the cell body.

The axon conducts signals away from the cell body.

CONCEPT

Neurons

Select the FALSE statement about stem cells.

Scientists are researching ways that these cells can repair damaged parts of the nervous system.

Scientists manipulate these cells to produce new types of cells.

They are specialized cells found in the central and peripheral nervous systems.

They are unspecialized cells found in undeveloped embryos and adult bodies.

CONCEPT

Stem Cells

What triggers an action potential?

An inhibiting signal

An exciting signal

A synapse

A neurotransmitter

CONCEPT

Neurotransmitters

Which structure of the ear monitors movement and equilibrium via its semicircular canals and two fluid-filled sacs?

Organ of Corti

Cochlea

Tectorial membrane

Vestibular apparatus

CONCEPT

Ear Anatomy and Hearing

Which of the following is a part of the brainstem?

Dura mater

Pons

Corpus callosum

Frontal lobe

CONCEPT

Hindbrain and Midbrain

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

Parasympathetic

Sympathetic

Somatic

Autonomic

CONCEPT

Central And Peripheral Nervous System

What condition, also known as "pink eye," occurs when the the clear membrane of the eye becomes inflamed?

Glaucoma

Cataracts

Conjunctivitis

Astigmatism

CONCEPT

Disorders of the Eye

Which of these cells form the insulating myelin sheath of neurons in the peripheral nervous system?

Postsynaptic cells

Oligodendrocyte cells

Presynaptic cells

Schwann cells

CONCEPT

Nerves as Information Pathways

What parts of the mouth contain taste receptors?

Tongue and throat

Tongue, throat and roof of the mouth

Throat and roof of the mouth

Tongue and roof of the mouth

CONCEPT

Smell & Taste

Which lobe of the brain is responsible for vision?

Parietal lobe

Occipital lobe

Frontal lobe

Temporal lobe

CONCEPT

Forebrain and Its Cerebrum

In the future, spinal cord injuries and diseases like Parkinson's may be treated with _________.

chemoreceptors

Schwann cells

stem cells

mechanoreceptors

CONCEPT

Stem Cells

A ringing or buzzing of the ears is a characteristic of this disorder, which can be caused by a variety of different factors.

Tinnitus

Vertigo

Otis media

Motion sickness

CONCEPT

Disorders of the Ear

Which structure of the ear monitors movement and equilibrium via its semicircular canals and two fluid-filled sacs?

Tectorial membrane

Organ of Corti

Cochlea

Vestibular apparatus

CONCEPT

Ear Anatomy and Hearing

Which part of the eye sends signals to the brain?

Optic nerve

Visual cortex

Retina

Fovea

CONCEPT

Vision

Dura mater, arachnoid mater and pia mater make up which of the following?

Cerebrospinal fluid

Meninges

The brain

Blood-brain barrier

CONCEPT

The Brain

Parkinson’s disease is caused by __________.

the breakdown of neurons, affecting neurotransmitter production

an injury to the spinal cord

a viral infection that affects various parts of the brain

an injury in the peripheral nervous system

CONCEPT

Nervous System Health and Disorders

Which type of neuron collects data about stimuli in an environment?

Interneuron

All three

Motor neuron

Sensory neuron

CONCEPT

Neurons

What triggers an action potential?

An inhibiting signal

An exciting signal

A synapse

A neurotransmitter

CONCEPT

Neurotransmitters

Which of these cells form the insulating myelin sheath of neurons in the peripheral nervous system?

Postsynaptic cells

Oligodendrocyte cells

Presynaptic cells

Schwann cells

CONCEPT

Nerves as Information Pathways

Which of these is true of referred pain?

The pain signals are sent to the pons.

The skin can cause this type of pain.

The pain is the result of the amputation of a body part.

The pain's source cannot be detected by the brain.

CONCEPT

Somatic Sense

Which eye disorder has the following characteristics?

·Eyeball is taller than it is wide.

·Images focus behind the retina rather than on it.

Myopia

Retinoblastoma

Glaucoma

Hyperopia

CONCEPT

Disorders of the Eye

Which set of facts about action potential is TRUE?

Every stimulus can generate it.

Potassium gates open to allow an inflow of potassium ions.

It requires a stimulus to take place.

Sodium gates open to allow an inflow of sodium ions.

It is exhibited by cells that were previously at resting potential.

It is created by an equal distribution of ions.

It is exhibited by cells that were previously not at resting potential.

It is created by an unequal distribution of ions.

CONCEPT

Membrane Potential and Action Potential

Which of the following statements about the medulla oblongata is true?

It is the part of the brain that regulates unconscious activities such as heartbeat and breathing.

It is the part of the brain that controls voluntary movements.

It is the main part of the brain that processes information.

It is located in the midbrain.

CONCEPT

Hindbrain and Midbrain

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

Sympathetic

Parasympathetic

Somatic

Autonomic

CONCEPT

Central And Peripheral Nervous System

Jean taps Mike on the shoulder to get his attention.

Which type of receptor alerts Mike's brain that this has happened?

Chemoreceptor

Mechanoreceptor

Thermoreceptor

Nociceptor

CONCEPT

Sensory Receptors

What are glial cells?

A bundle of neuron axons

Cells found only in the central nervous system

A group or mass of neuron cells

Cells that nourish and support neurons

CONCEPT

Nerves as Information Pathways

Which part of the eye does light enter through?

Iris

Pupil

Fovea

Retina

CONCEPT

Vision

Multiple sclerosis is brought about by __________.

a viral infection of the meninges

a buildup of amyloid protein in the brain

the gradual breakdown of the myelin sheath of the CNS

the destruction of cells in the basal ganglia

CONCEPT

Nervous System Health and Disorders

Which ear disorder occurs when movement over-stimulates the hair cells found in the inner ear?

Tinnitus

Vertigo

Motion sickness

Otis media

CONCEPT

Disorders of the Ear

What is the effect of the drug Botox on neurotransmitters?

It releases neurotransmitters that can cause the wrinkling of muscles.

It releases neurotransmitters that can cause muscle spasms.

It prevents the release of neurotransmitters that contract muscles.

It prevents the release of neurotransmitters that smooth out muscles.

CONCEPT

Neurotransmitters

Select the FALSE statement about stem cells.

They are unspecialized cells found in undeveloped embryos and adult bodies.

Scientists are researching ways that these cells can repair damaged parts of the nervous system.

They are specialized cells found in the central and peripheral nervous systems.

Scientists manipulate these cells to produce new types of cells.

CONCEPT

Stem Cells

Which of these is true of referred pain?

The pain signals are sent to the pons.

The pain's source cannot be detected by the brain.

The skin can cause this type of pain.

The pain is the result of the amputation of a body part.

CONCEPT

Somatic Sense

Dura mater, arachnoid mater and pia mater make up which of the following?

Blood-brain barrier

The brain

Meninges

Cerebrospinal fluid

CONCEPT

The Brain

What condition, also known as "pink eye," occurs when the the clear membrane of the eye becomes inflamed?

Cataracts

Astigmatism

Conjunctivitis

Glaucoma

CONCEPT

Disorders of the Eye

Which of these is determined by the reticular formation?

Consciousness

Emotions

Memory

Hunger and thirst

CONCEPT

Forebrain and Its Cerebrum

Which part of the neuron receives signals from other neurons?

Axon endings

Dendrites

Conducting zone

Trigger zone

CONCEPT

Neurons

Which of the following is a part of the brainstem?

Dura mater

Frontal lobe

Pons

Corpus callosum

CONCEPT

Hindbrain and Midbrain

Which of these is TRUE of a neuron at resting potential?

Sodium-potassium pumps transport sodium ions into the neuron.

The neuron has more potassium ions inside than outside.

Sodium-potassium pumps transport potassium ions out of the neuron.

The neuron has more positive charges inside than outside.

CONCEPT

Membrane Potential and Action Potential

Dan is dehydrated.

Which type of receptor alerts his brain of this?

Chemoreceptor

Mechanoreceptor

Thermoreceptor

Osmoreceptor

CONCEPT

Sensory Receptors

Choose the correct order of the steps in recognizing a smell.

·Neurons are stimulated

·Olfactory receptors detect vaporized odor molecules

·Signal forwarded to cerebral cortex for interpretation

·Nerve impulse travels to the olfactory bulb in the brain

1. Signal forwarded to cerebral cortex for interpretation

2. Olfactory receptors detect vaporized odor molecules

3. Nerve impulse travels to the olfactory bulb in the brain

4. Neurons are stimulated

1. Olfactory receptors detect vaporized odor molecules

2. Signal forwarded to cerebral cortex for interpretation

3. Nerve impulse travels to the olfactory bulb in the brain

4. Neurons are stimulated

1. Olfactory receptors detect vaporized odor molecules

2. Neurons are stimulated

3. Nerve impulse travels to the olfactory bulb in the brain

4. Signal forwarded to cerebral cortex for interpretation

1. Neurons are stimulated

2. Olfactory receptors detect vaporized odor molecules

3. Signal forwarded to cerebral cortex for interpretation

4. Nerve impulse travels to the olfactory bulb in the brain

CONCEPT

Smell & Taste

Which of the following statements is true?

Sound is mechanical energy that travels in the form of subatomic particles.

The otolith organ carries signals from the inner ear to the brain.

The tectorial membrane is a structure in the cochlea that hair cells interact with to produce action potentials.

Sound coming into the ear first encounters the cochlea.

CONCEPT

Ear Anatomy and Hearing

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

Somatic

Sympathetic

Autonomic

Parasympathetic

CONCEPT

Central And Peripheral Nervous System

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. 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. 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. 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

What is the cerebral spinal fluid's primary role?

Keeping an adequate amount of blood flowing into the brain

Connecting the brain to the skull

Washing the brain of metabolic waste

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

How are signals transmitted using neurotransmitters?

From the presynaptic cell to the postsynaptic cell, and then to a synapse

From the postsynaptic cell to the presynaptic cell across a synapse

From the synapse to the presynaptic cell, and then to the postsynaptic cell

From the presynaptic cell to the postsynaptic cell across a synapse

What is the purpose of the myelin sheath?

To provide neurons with required nutrients

To transport action potential faster

To protect neurons from infection

To allow neurons to grow faster

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.

Retinoblastoma

Myopia

Glaucoma

Hyperopia

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

Sympathetic

Autonomic

Somatic

Parasympathetic

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

Vertigo

Motion sickness

Tinnitus

Otis media

What parts of the mouth contain taste receptors?

Tongue, throat and roof of the mouth

Tongue and throat

Throat and roof of the mouth

Tongue and roof of the mouth

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.

midbrain; hindbrain

cerebellum; medulla oblongata

cerebellum; cerebrum

medulla oblongata; pons

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

Which division of the peripheral nervous system carries signals to the internal organs?

Autonomic

Parasympathetic

Sympathetic

Somatic

Answers

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Status NEW Posted 11 Aug 2020 07:08 PM My Price 35.00

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