Question 1

Which statement best describes the circadian rhythm?

Accepted Answer

A)  In a 24-hour period of time,we feel the most awake after eating breakfast.
B)  In a 24-hour period of time,we feel most sleepy during brightest period of the day.
C)  In a 24-hour period of time,we spend a period of time awake and a period of time asleep.
D)  In a 24-hour period of time,adults require at least 8 hours of sleep to feel rested.E) B) and C)
F) C) and D)

Question 2

Gary sustained an injury to a second-order neuron.Do you think he sustained damage to the transmission of sensory information or motor skills? Where are second-order neurons located?

Accepted Answer

Second-order neurons are inter...

Question 3

In contrast to the nervous system,the endocrine system accomplishes homeostasis by:

Accepted Answer

A)  releasing hormones into the blood that regulate the functions of other cells.
B)  controlling the activities of the autonomic nervous system (ANS) .
C)  sending action potentials that excite or inhibit target cells.
D)  producing an immediate effect in target cells.E) C) and D)
F) A) and D)

Question 4

What is the function of the blood-brain barrier?

Accepted Answer

The blood brain barrier prevents many chemicals and disease-causing organisms from accessing the cells of the brain.This barrier keeps CSF and brain extracellular fluid separate from the blood.

Question 5

Giada experienced damage to a sensory neuron in the PNS.Which neuron sustained damage?

Accepted Answer

A)  third-order neuron
B)  first-order neuron
C)  interneuron
D)  second-order neuronE) B) and D)
F) None of the above

Question 6

Where are color,object movement,and depth processed?

Accepted Answer

A)  auditory association cortex
B)  premotor cortex
C)  precentral gyrus
D)  visual association areasE) A) and B)
F) A) and C) D

Question 7

Visual stimuli that arrive in the thalamus are relayed to the:

Accepted Answer

A)  primary visual cortex in the occipital lobe.
B)  medulla.
C)  brainstem nuclei.
D)  primary visual cortex in the frontal lobe.E) All of the above
F) C) and D) A

Question 8

You have decided to pick up your pencil and jot down some notes.Determine the specific types of white and gray matter in the spinal cord responsible for transmitting this motor information.

Accepted Answer

The corticospinal tracts of the spinal w...

Question 9

Which of the following cells secretes CSF into the ventricles of the brain?

Accepted Answer

A)  basal nuclei
B)  ependymal cells
C)  substantia nigra
D)  microgliaE) A) and C)
F) All of the above

Question 10

Which description best matches the location of white matter?

Accepted Answer

A)  In the spinal cord,white matter is superficial while cerebral white matter is deep.
B)  In both the brain and spinal cord,white matter is deep.
C)  In both the brain and spinal cord,white matter is superficial.
D)  In the spinal cord,white matter is deep while cerebral white matter is superficial.E) B) and C)
F) A) and B)

Question 11

Eight-year-old Cate stood by her mother's bed,watching her sleep and perplexed by the rapid movement of her mother's eyes beneath the eyelids.We know Cate's mother was experiencing stage III sleep by what Cate witnessed.

Accepted Answer

A) True 
 B)False

Question 12

Javier stepped on a splinter while walking barefoot.The splinter pierced deep into his foot and caused him a great amount of pain.Describe the pathway of pain sensation from the appropriate tract in the spinal cord into the brain where perception occurs.

Accepted Answer

The stimulus travels via the spinothalam...

Question 13

Which of the following should NOT cross the blood-brain barrier with ease?

Accepted Answer

A)  large,polar molecules
B)  glucose
C)  lipid-based molecules
D)  carbon dioxideE) A) and C)
F) C) and D)

Question 14

The midbrain,pons,and medulla oblongata of the brainstem all arise from the hindbrain.

Accepted Answer

A) True 
 B)False

Question 15

What is the correct pathway of development of the cerebellum?

Accepted Answer

A)  neural tube,hindbrain,metencephalon,cerebellum
B)  neural tube,forebrain,telencephalon,cerebellum
C)  neural tube,diencephalon,cerebellum
D)  neural tube,midbrain,mesencephalon,cerebellumE) A) and D)
F) A) and C)

Question 16

The brainstem connects the brain and the:

Accepted Answer

A)  cerebellum.
B)  spinal cord.
C)  ventricles.
D)  eyes.E) All of the above
F) C) and D)

Question 17

Discuss the differences between declarative memory and non-declarative memory.

Accepted Answer

Declarative memory involves the memory o...

Question 18

What part of the spinal cord carries motor information from the brain?

Accepted Answer

A)  corticospinal tract
B)  posterior column
C)  anterolateral system
D)  spinocerebellar tractE) A) and B)
F) None of the above

Question 19

What role does dopamine play in motor control?

Accepted Answer

A)  Dopamine inhibits the substantial nigra of the basal nuclei and inhibits the upper motor neurons from initiating movement.
B)  Dopamine binds receptors on the caudate nucleus and putamen,inhibiting the globus pallidus.The upper motor neurons are eventually activated.
C)  Dopamine binds receptors in the cerebral cortex to activate upper motor neurons to produce coordinated and smooth movements.
D)  Dopamine enhances the process of motor learning in the cerebellum to reduce motor error.E) All of the above
F) C) and D)

Question 20

The spinal cord lacks a portion of the dura mater known as the:

Accepted Answer

A)  meningeal layer.
B)  epidural space.
C)  periosteal layer.
D)  subdural space.E) A) and C)
F) None of the above

Exam 12: The Central Nervous System

Which statement best describes the circadian rhythm?

Correct AnswerverifiedShow Answer

Gary sustained an injury to a second-order neuron.Do you think he sustained damage to the transmission of sensory information or motor skills? Where are second-order neurons located?

Correct AnswerverifiedSecond-order neurons are inter...View AnswerShow Answer

In contrast to the nervous system,the endocrine system accomplishes homeostasis by:

Correct AnswerverifiedShow Answer

What is the function of the blood-brain barrier?

Correct AnswerverifiedThe blood brain barrier prevents many chemicals and disease-causing organisms from accessing the cells of the brain.This barrier keeps CSF and brain extracellular fluid separate from the blood.

Giada experienced damage to a sensory neuron in the PNS.Which neuron sustained damage?

Correct AnswerverifiedShow Answer

Where are color,object movement,and depth processed?

Correct AnswerverifiedD

Visual stimuli that arrive in the thalamus are relayed to the:

Correct AnswerverifiedA

You have decided to pick up your pencil and jot down some notes.Determine the specific types of white and gray matter in the spinal cord responsible for transmitting this motor information.

Correct AnswerverifiedThe corticospinal tracts of the spinal w...View AnswerShow Answer

Which of the following cells secretes CSF into the ventricles of the brain?

Correct AnswerverifiedShow Answer

Which description best matches the location of white matter?

Correct AnswerverifiedShow Answer

Eight-year-old Cate stood by her mother's bed,watching her sleep and perplexed by the rapid movement of her mother's eyes beneath the eyelids.We know Cate's mother was experiencing stage III sleep by what Cate witnessed.

Correct AnswerverifiedShow Answer

Javier stepped on a splinter while walking barefoot.The splinter pierced deep into his foot and caused him a great amount of pain.Describe the pathway of pain sensation from the appropriate tract in the spinal cord into the brain where perception occurs.

Correct AnswerverifiedThe stimulus travels via the spinothalam...View AnswerShow Answer

Which of the following should NOT cross the blood-brain barrier with ease?

Correct AnswerverifiedShow Answer

The midbrain,pons,and medulla oblongata of the brainstem all arise from the hindbrain.

Correct AnswerverifiedShow Answer

What is the correct pathway of development of the cerebellum?

Correct AnswerverifiedShow Answer

The brainstem connects the brain and the:

Correct AnswerverifiedShow Answer

Discuss the differences between declarative memory and non-declarative memory.

Correct AnswerverifiedDeclarative memory involves the memory o...View AnswerShow Answer

What part of the spinal cord carries motor information from the brain?

Correct AnswerverifiedShow Answer

What role does dopamine play in motor control?

Correct AnswerverifiedShow Answer

The spinal cord lacks a portion of the dura mater known as the:

Correct AnswerverifiedShow Answer

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Second-order neurons are inter...
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The blood brain barrier prevents many chemicals and disease-causing organisms from accessing the cells of the brain.This barrier keeps CSF and brain extracellular fluid separate from the blood.

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A

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The corticospinal tracts of the spinal w...
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The stimulus travels via the spinothalam...
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Declarative memory involves the memory o...
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