Question 1

Tania sees a dark shadow outside her window and feels frightened. What brain structure contributes most to her feeling of fear?

Accepted Answer

A)  basal ganglia 
B)  pons 
C)  limbic system 
D)  hypothalamus

Question 2

The type of RNA used to trigger protein synthesis is called ____ RNA.

Accepted Answer

A)  transfer 
B)  nucleic 
C)  ribosomal 
D)  messenger

Question 3

A plane that shows brain structures as seen from above is referred to as a ____.

Accepted Answer

A)  coronal plane 
B)  sagittal plane 
C)  frontal plane 
D)  horizontal plane

Question 4

Which cell type produces a material called myelin?

Accepted Answer

A)  neurons 
B)  oligodendrocytes 
C)  astrocytes 
D)  microglial cells

Question 5

Dr. Leighton is performing a literature search to learn more about a process termed gliosis. What is she likely to find out?

Accepted Answer

A)  Astrocytes facilitate axonal regrowth after injury. 
B)  Astrocytes hinder axonal regrowth after injury. 
C)  Astrocytes produce new myelin for injured axons. 
D)  Astrocytes strip injured axons of old myelin.

Question 6

Peter's physician, Dr. Ma, is concerned that he suffered a stroke after he complains of loss of feeling in his left arm. Which diagnostic test will help Dr. Ma visualize Peter's circulatory system to determine if he suffered a stroke?

Accepted Answer

A)  CAT scan 
B)  PET scan 
C)  fMRI 
D)  angiogram

Question 7

Which is a function of cerebrospinal fluid?

Accepted Answer

A)  It transports oxygen. 
B)  It produces immune cells. 
C)  It serves as a protective cushion. 
D)  It clears myelin.

Question 8

The brain is supplied with blood through two major arteries: ____.

Accepted Answer

A)  the dorsal scapular artery and the vertebral artery 
B)  the dorsal scapular artery and the carotid artery 
C)  the carotid artery and the femoral artery 
D)  the carotid artery and the vertebral artery

Question 9

What is the function of a neuron's axon?

Accepted Answer

A)  It produces the myelin sheath. 
B)  It sends neurotransmitters to other neurons. 
C)  It contains the neuron's genetic materials. 
D)  It receives information from other neurons.

Question 10

Drug X passes through the blood-brain barrier via active transport. What does this mean?

Accepted Answer

A)  Drug X diffuses through the blood-brain barrier. 
B)  Drug X uses osmosis to pass through the blood-brain barrier. 
C)  Drug X directly attaches to neurons to pass through the blood-brain barrier. 
D)  Drug X uses channels to pass through the blood-brain barrier.

Question 11

Which nervous system prepares the body for rigorous activity by increasing heartbeat, inhibiting digestion, and opening airways?

Accepted Answer

A)  sympathetic nervous system 
B)  somatic nervous system 
C)  parasympathetic nervous system 
D)  central nervous system

Question 12

Which lobe of the cerebral cortex is primarily responsible for processing visual information?

Accepted Answer

A)  occipital lobe 
B)  temporal lobe 
C)  parietal lobe 
D)  frontal lobe

Question 13

Ted is studying for his neuropsychology exam. How is cerebral blood flow to Ted's prefrontal cortex likely to respond to his studying?

Accepted Answer

A)  Blood flow will remain constant. 
B)  Blood flow will decrease. 
C)  Blood flow will increase. 
D)  Blood flow will show variable changes.

Question 14

How many chromosomes does a child inherit from each parent?

Accepted Answer

A)  16 
B)  23 
C)  43 
D)  46

Question 15

A plane that shows brain structures as seen from the side is referred to as a ____.

Accepted Answer

A)  coronal plane 
B)  sagittal plane 
C)  frontal plane 
D)  horizontal plane

Question 16

Describe what is meant by the term glial scar. What roadblocks to recovery from traumatic brain injury does the glial scar present? In addition, discuss current experimental therapeutic strategies for combating promoting axonal regeneration after brain injury.

Accepted Answer

The answer of Describe what is meant by the term...

Question 17

What is the function of the blood-brain barrier?

Accepted Answer

A)  It provides protective cushion. 
B)  It allows substances to easily access the brain. 
C)  It prevents harmful substances from entering brain. 
D)  It converts carbon dioxide into oxygen.

Question 18

Megan is walking to the student center, lost in deep thought, when her friend Roman runs up behind her, tapping her on the shoulder. Megan, startled by Roman, jumps and gasps for air. Which brain structure is responsible for Megan's startle reflex?

Accepted Answer

A)  pons 
B)  cerebellum 
C)  basal ganglia 
D)  hippocampus

Question 19

Activity within which brain structures support arousal in the cerebral cortex, thus indirectly aiding in memory formation?

Accepted Answer

A)  dentate gyrus 
B)  reticular formation 
C)  limbic system 
D)  pyramidal system

Question 20

Which is the correct order of events during brain cell development? i. synaptic rearrangement
ii. differentiation
iii. migration
iv. synaptogenesis
v. apoptosis
vi. proliferation

Accepted Answer

A)  ii, vi, iii, v, i, iv 
B)  vi, iii, ii, iv, v, i 
C)  ii, iii, vi, iv, i, v 
D)  vi, ii, iii, iv, i, v

Exam 2: The Nervous System