$$\text{Rate} = \frac{\text{Total Volume}}{4\ \text{hours}}$$

$$\text{CSF Production} = \text{CSF Reabsorption}$$

Question 1

Which region of the brain is primarily responsible for higher functions such as thought, memory, sensation, and voluntary movement?

Accepted Answer

Cerebrum

Question 2

The cerebrospinal fluid (CSF) is produced by which structure in the brain?

Accepted Answer

Choroid plexus

Question 3

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

Accepted Answer

Occipital lobe

Question 4

A patient presents with loss of motor function on the left side of the body. Which hemisphere of the cerebrum is most likely affected?

Accepted Answer

Right hemisphere

Question 5

Which cranial nerve is responsible for the sense of smell?

Accepted Answer

CN I (Olfactory Nerve)

Question 6

The superior colliculi, located in the midbrain, are involved in which function?

Accepted Answer

Visual reflexes

Question 7

Which of the following is NOT a function of cerebrospinal fluid (CSF)?

Accepted Answer

Production of action potentials

Question 8

The parasympathetic division of the autonomic nervous system is responsible for which of the following responses?

Accepted Answer

Salivation and digestion

Question 9

Which structure connects the left and right cerebral hemispheres and allows communication between them?

Accepted Answer

Corpus callosum

Question 10

A lesion in the Broca’s area of the frontal lobe would most likely result in which deficit?

Accepted Answer

Impaired speech production

Question 11

Which equation best represents the rate of cerebrospinal fluid (CSF) replacement in the brain, given that the total volume is replaced every 4 hours?

Accepted Answer

$$	ext{Rate} = \frac{	ext{Total Volume}}{4\ 	ext{hours}}$$

Question 12

Which brain region is responsible for regulating body temperature, hunger, thirst, and the autonomic nervous system?

Accepted Answer

Hypothalamus

Question 13

If a patient has difficulty localizing sound, which structure in the brainstem is most likely affected?

Accepted Answer

Superior olivary nuclei

Question 14

Which cranial nerve is involved in both taste sensation from the anterior 2/3 of the tongue and motor control of facial expression?

Accepted Answer

CN VII (Facial Nerve)

Question 15

Which of the following best describes the function of the basal ganglia (cerebral nuclei)?

Accepted Answer

Inhibits unwanted movements

Question 16

During a fight-or-flight response, which physiological change is LEAST likely to occur?

Accepted Answer

Salivation increases

Question 17

Which equation represents the relationship between CSF production and reabsorption to maintain constant pressure?

Accepted Answer

$$	ext{CSF Production} = 	ext{CSF Reabsorption}$$

Question 18

Which brain region is responsible for maintaining consciousness?

Accepted Answer

Reticular formation

Question 19

A patient with Bell’s Palsy would most likely have dysfunction in which cranial nerve?

Accepted Answer

CN VII (Facial Nerve)

Question 20

Which lobe of the cerebrum is primarily involved in personality, planning, and voluntary movement?

Accepted Answer

Frontal lobe

The Brain: Structure, Function, and Associated Systems

Study Guide - Practice Questions