Question 1

Which structure in the midbrain is primarily responsible for inhibiting unwanted motor activity, and its degeneration is associated with Parkinson's disease?

Accepted Answer

Substantia nigra

Question 2

A patient presents with an inability to recognize faces but can identify objects. Which brain region is most likely damaged?

Accepted Answer

Temporal lobe

Question 3

Which of the following best describes the function of the superior colliculus?

Accepted Answer

Tracks moving objects and mediates visual reflexes

Question 4

The reticular formation is involved in all of the following EXCEPT:

Accepted Answer

Hormone secretion

Question 5

Which lobe of the cerebrum is primarily responsible for integrating sensory information from the body?

Accepted Answer

Parietal lobe

Question 6

A lesion in which area would most likely result in nonfluent aphasia, characterized by slow speech and difficulty choosing words?

Accepted Answer

Broca’s area

Question 7

Which of the following brain waves is most prominent during deep sleep?

Accepted Answer

Delta waves

Question 8

The corpus callosum is an example of which type of cerebral white matter tract?

Accepted Answer

Commissural tract

Question 9

Which structure is the main relay station for nearly all sensory information on its way to the cerebral cortex?

Accepted Answer

Thalamus

Question 10

A patient with damage to the ventromedial region of both frontal lobes is most likely to experience which of the following symptoms?

Accepted Answer

Personality changes and impaired moral judgement

Question 11

Which of the following best describes the function of the limbic system?

Accepted Answer

Processing of emotions and memory

Question 12

Which brain structure is responsible for setting the circadian rhythm and acts as a biological clock?

Accepted Answer

Suprachiasmatic nucleus

Question 13

Which of the following is TRUE regarding the lateralization of cerebral functions?

Accepted Answer

The left hemisphere is the categorical hemisphere in most right-handed people

Question 14

A patient is unable to store new memories after a brain injury. Which structure is most likely damaged?

Accepted Answer

Hippocampus

Question 15

Which of the following is a function of the hypothalamus?

Accepted Answer

Regulating hunger, thirst, and circadian rhythms

Question 16

Which EEG brain wave pattern would you expect to see in a person who is awake and performing mental tasks?

Accepted Answer

Beta waves

Question 17

Which of the following best describes the function of the basal nuclei?

Accepted Answer

Motor control and inhibition of tremors

Question 18

Which of the following is a real-life example of the function of the inferior colliculus?

Accepted Answer

Turning your head toward a loud noise

Question 19

Which area of the brain is responsible for generating the motor program for speech?

Accepted Answer

Broca’s area

Question 20

Which of the following best explains why the sensory homunculus dedicates more cortical area to the hands and lips than to the back?

Accepted Answer

The hands and lips are more sensitive and have more sensory receptors

The Central Nervous System: Structure and Function of the Brain

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