Question 1

Which of the following correctly describes the three primary brain vesicles that develop from the neural tube?

Accepted Answer

Forebrain (prosencephalon), midbrain (mesencephalon), and hindbrain (rhombencephalon)

Question 2

A defect in the posterior portion of the neural tube resulting in vertebral column malformation is known as:

Accepted Answer

Spina bifida

Question 3

Which structure separates the two lateral ventricles in the brain?

Accepted Answer

Septum pellucidum

Question 4

The cerebral cortex is responsible for higher brain functions. Which of the following is NOT a function of the cerebral cortex?

Accepted Answer

Regulation of heart rate

Question 5

Damage to the primary visual cortex would most likely result in:

Accepted Answer

Blindness

Question 6

Which lobe of the cerebrum is primarily responsible for processing somatosensory information such as touch, pain, and temperature?

Accepted Answer

Parietal lobe

Question 7

Broca's area is most closely associated with which function?

Accepted Answer

Motor speech

Question 8

Which of the following statements about the corpus callosum is correct?

Accepted Answer

It consists of commissural fibers that connect the two cerebral hemispheres.

Question 9

A patient is unable to recognize objects by touch, even though their sense of touch is intact. Damage to which area is most likely responsible?

Accepted Answer

Somatosensory association area

Question 10

Which equation best represents the relationship between the volume of cerebrospinal fluid (CSF) produced and reabsorbed in a healthy adult?

Accepted Answer

$V_{produced} = V_{reabsorbed}$

Question 11

Which of the following is TRUE regarding lateralization of cortical function?

Accepted Answer

The left hemisphere is dominant for language in most people.

Question 12

Which brain region is responsible for autonomic control of heart rate, blood pressure, and digestion?

Accepted Answer

Hypothalamus

Question 13

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

Accepted Answer

They help control and regulate voluntary motor activities.

Question 14

A patient presents with loss of coordination and balance. Which brain structure is most likely affected?

Accepted Answer

Cerebellum

Question 15

Which of the following is a function of the prefrontal cortex?

Accepted Answer

Planning, judgment, and problem solving

Question 16

Which of the following tracts carries voluntary motor impulses from the cortex to the spinal cord?

Accepted Answer

Pyramidal (corticospinal) tract

Question 17

Which equation represents the calculation of total brain mass if the cerebral cortex accounts for approximately 40% of brain mass and the remaining structures account for 60%?

Accepted Answer

$M_{total} = M_{cortex} + M_{other}$

Question 18

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

Accepted Answer

Interpretation of auditory signals

Question 19

Which area of the brain is responsible for integrating and analyzing various somatosensory inputs to determine the identity of an object being felt?

Accepted Answer

Somatosensory association area

Question 20

Which of the following statements about the diencephalon is correct?

Accepted Answer

It includes the thalamus, hypothalamus, and epithalamus.

Anatomy & Physiology: Structure and Function of the Brain

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