Question 1

_____ carry information to the CNS, whereas _____ carry information from the CNS.

Accepted Answer

A)  Motor neurons; interneurons 
B)  Interneurons; sensory neurons 
C)  Sensory neurons; motor neurons 
D)  Motor neurons; sensory neurons C

Question 2

In laboratory testing of a split-brain patient, suppose a picture of a baseball is flashed only to the patient's left visual field. How would the split-brain patient be able to identify the baseball?

Accepted Answer

A)  by saying the word "baseball" 
B)  by sense of touch, using the right hand 
C)  by sense of touch, using the left hand 
D)  by either saying the word "baseball" or by sense of touch, using the right hand C

Question 3

Hormones are released _____ and carry their messages more _____ than neurotransmitters.

Accepted Answer

A)  into the bloodstream; quickly 
B)  into the bloodstream; slowly 
C)  directly to their target sites; quickly 
D)  directly to their target sites; slowly B

Question 4

Sensory and motor neurons are located _____ nervous system(s) and interneurons are located _____ nervous system.

Accepted Answer

A)  in both the central and peripheral; only in the central 
B)  in both the central and peripheral; only in the peripheral 
C)  only in the central; only in the peripheral 
D)  only in the peripheral; only in the central

Question 5

When you feel a slap on the left cheek of your face, the _____ cortex in the _____ lobe of the _____ hemisphere is active.

Accepted Answer

A)  motor; frontal; right 
B)  somatosensory; parietal; right 
C)  motor; frontal; left 
D)  somatosensory; parietal; left

Question 6

According to the James-Lange theory of emotion, emotion occurs _____ autonomic arousal and the behavioral response. According to the Cannon-Bard theory of emotion, emotion occurs _____ autonomic arousal and the behavioral response.

Accepted Answer

A)  before; after 
B)  after; before 
C)  before; at the same time as 
D)  after; at the same time as

Question 7

Sheila was in an accident in which she received damage to her cerebellum. Sheila is MOST likely to have difficulty _____.

Accepted Answer

A)  understanding what she reads 
B)  playing soccer 
C)  storing information in short-term memory 
D)  transferring information from short-term memory to long-term memory

Question 8

Which statement about the sympathetic and parasympathetic nervous systems is FALSE?

Accepted Answer

A)  The two systems are connected to different glands and organs, thus explaining their dissimilar effects. 
B)  The sympathetic nervous system is called our "fight-or-flight" system because it prepares us for action in an emergency situation. 
C)  The parasympathetic nervous system is called our "rest-and-digest" system because it returns the body to its normal resting state after arousal. 
D)  Both systems are part of the peripheral nervous system.

Question 9

Why do neural impulses travel faster in myelinated axons than in unmyelinated axons?

Accepted Answer

A)  Myelin is a better conductor of electricity than other material in the axon. 
B)  The impulse leaps from gap to gap in the myelin sheath rather than traveling continuously down the axon. 
C)  Myelin prevents other substances from interfering with the impulse. 
D)  Unmyelinated axons are less developed than myelinated axons.

Question 10

Treating schizophrenia with antipsychotic drugs can lead to side effects that resemble Parkinson's disease because these drugs _____.

Accepted Answer

A)  increase levels of dopamine activity 
B)  decrease levels of dopamine activity 
C)  destroy dopamine neurons in the brain 
D)  destroy dopamine receptors in the brain

Question 11

Why is REM sleep sometimes referred to as paradoxical sleep?

Accepted Answer

A)  Brain waves are very slow, even if a person is dreaming about activity. 
B)  Body muscles are relaxed and immobilized, but the brain is active. 
C)  Sleepwalking may occur, but memory is not active enough to recall it. 
D)  Eyes are still, but people feel as if they are watching events in a dream.

Question 12

Why is the pituitary gland referred to as the "master gland"?

Accepted Answer

A)  It is located near the very top of the brain. 
B)  It controls the functioning of the somatic nervous system. 
C)  It releases hormones that direct other endocrine glands to release their hormones. 
D)  All of these are correct.

Question 13

In what way is a neuron like a miniature decision-making device?

Accepted Answer

A)  It decides whether or not to accept incoming messages from other neurons. 
B)  It decides whether or not to manufacture neurotransmitters. 
C)  It decides whether or not to fire an impulse. 
D)  It decides how fast an impulse should travel down the axon.

Question 14

Treating Parkinson's disease with L-dopa may lead to which of the following?

Accepted Answer

A)  an increase in the ability of dopamine to cross the blood-brain barrier 
B)  an increase in the amount of dopamine in the brain 
C)  an increase in schizophrenic symptoms 
D)  Treatment of Parkinson's disease with L-dopa may lead to both (b) and (c).

Question 15

When you repeat aloud what someone else is saying, which accurately depicts the sequence of brain activity from the time you hear the initial sensory input until the time you prepare to pronounce the words?

Accepted Answer

A)  temporal lobe, Wernicke's area, Broca's area, motor cortex 
B)  temporal lobe, Broca's area, Wernicke's area, motor cortex 
C)  frontal lobe, Wernicke's area, Broca's area, somatosensory cortex 
D)  frontal lobe, Broca's area, Wernicke's area, somatosensory cortex

Question 16

Why are drugs that block the reuptake of neurotransmitters considered agonists?

Accepted Answer

A)  They keep neurotransmitters active in the synaptic gap. 
B)  They increase the production of neurotransmitters. 
C)  They attach to the receptor cells in the receiving neuron to transmit messages. 
D)  They encourage continuous release of neurotransmitters from the axon terminal.

Exam 2: Section 1: Neuroscience

_ carry information to the CNS, whereas _ carry information from the CNS.