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 primary motor cortex is located in which part of the brain?

Accepted Answer

Precentral gyrus of the frontal lobe

Question 5

Damage to the left hemisphere's Broca's area would most likely result in:

Accepted Answer

Impaired ability to produce speech (motor aphasia)

Question 6

Which of the following best describes the function of the somatosensory association area?

Accepted Answer

Integrates and analyzes sensory inputs to determine objects by touch

Question 7

Which equation correctly represents the relationship between the number of gyri ($n$) and the number of sulci ($s$) in a cerebral hemisphere, given that each sulcus separates two gyri?

Accepted Answer

$n = s + 1$

Question 8

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

Accepted Answer

Initiating voluntary movement of skeletal muscle

Question 9

A patient is unable to recognize objects by touch, even though their primary somatosensory cortex is intact. Which area is most likely damaged?

Accepted Answer

Somatosensory association area

Question 10

Which of the following statements about lateralization of cortical function is TRUE?

Accepted Answer

The left hemisphere is dominant for language in most people

Question 11

Which structure is responsible for connecting the two cerebral hemispheres and allowing communication between them?

Accepted Answer

Corpus callosum

Question 12

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

Accepted Answer

Regulation of voluntary motor activities and coordination

Question 13

Which equation would you use to calculate the total volume $V$ of cerebrospinal fluid (CSF) in the brain if the average volume in each ventricle is $v$ and there are four ventricles?

Accepted Answer

$V = 4v$

Question 14

Which area of the cerebral cortex is primarily responsible for conscious awareness of balance?

Accepted Answer

Vestibular (equilibrium) cortex

Question 15

Which of the following is a correct pairing of a lobe and its primary function?

Accepted Answer

Occipital lobe – visual processing

Question 16

Which tract carries voluntary motor impulses from the primary motor cortex to the spinal cord?

Accepted Answer

Pyramidal (corticospinal) tract

Question 17

Which of the following is TRUE regarding the function of the prefrontal cortex?

Accepted Answer

It is involved in planning, judgment, and problem solving

Question 18

If a patient has damage to the primary visual cortex, which symptom would most likely occur?

Accepted Answer

Blindness

Question 19

Which neurotransmitter is primarily associated with the substantia nigra and is deficient in Parkinson's disease?

Accepted Answer

Dopamine

Question 20

Which equation best represents the rate of CSF production $R$ in the choroid plexus if the total CSF volume $V$ is replaced every $t$ hours?

Accepted Answer

$R = \frac{V}{t}$

Anatomy and Physiology of the Brain: Structure, Development, and Functional Areas

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