Question 1

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

Accepted Answer

Occipital lobe

Question 2

A patient suffers a stroke that damages the precentral gyrus. Which function is most likely to be impaired?

Accepted Answer

Precise voluntary muscle movement

Question 3

Which structure acts as the main visceral control center of the body, regulating functions such as hunger, temperature, and sleep cycles?

Accepted Answer

Hypothalamus

Question 4

If the blood-brain barrier is compromised, which of the following is most likely to occur?

Accepted Answer

Greater risk of harmful substances entering the brain

Question 5

Which equation best represents the volume of cerebrospinal fluid (CSF) replaced in the brain every 8 hours, given that the total CSF volume is 150 ml?

Accepted Answer

$V_{replaced} = 150$

Question 6

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

Accepted Answer

Controls emotional responses and memory formation

Question 7

A lesion in the left hemisphere affecting Broca’s area would most likely result in which clinical symptom?

Accepted Answer

Difficulty producing spoken language

Question 8

Which of the following fiber tracts connects corresponding gray areas of the two cerebral hemispheres?

Accepted Answer

Commissures

Question 9

Which meningeal layer is most superficial and forms dural sinuses?

Accepted Answer

Dura mater

Question 10

A patient presents with loss of proprioception and inability to coordinate movement. Which brain structure is most likely affected?

Accepted Answer

Cerebellum

Question 11

Which of the following statements about the cerebral cortex is TRUE?

Accepted Answer

It accounts for 40% of the mass of the brain

Question 12

Which equation correctly expresses the relationship between the mass of the average adult male brain ($M_{male}$) and female brain ($M_{female}$)?

Accepted Answer

$M_{male} = 1600$

Question 13

Which functional area of the cerebral cortex is responsible for integrating diverse information and forming comprehensive understanding of stimuli?

Accepted Answer

Association area

Question 14

Damage to the posterior association area would most likely impair which ability?

Accepted Answer

Recognizing faces and spatial localization

Question 15

Which of the following is NOT a function of the hypothalamus?

Accepted Answer

Controlling voluntary muscle movement

Question 16

Which equation best represents the calculation for the total number of spinal nerves ($N_{spinal}$) formed by the fusion of dorsal and ventral roots, if there are $n$ pairs?

Accepted Answer

$N_{spinal} = n$

Question 17

Which brain region is associated with automatic behaviors necessary for survival and is the site of cardiovascular and respiratory centers?

Accepted Answer

Medulla oblongata

Question 18

Which of the following best describes the function of the reticular formation?

Accepted Answer

Maintains consciousness and filters sensory stimuli

Question 19

Which structure produces cerebrospinal fluid (CSF) and helps cleanse it by removing wastes?

Accepted Answer

Choroid plexus

Question 20

Which of the following is a consequence of excessive alcohol use on the central nervous system as described in the study materials?

Accepted Answer

Signs of senility unrelated to aging

Central Nervous System: Structure and Function

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