Question 1

Which of the following best describes the primary function of the hypothalamus in the endocrine system?

Accepted Answer

It controls the release of hormones from the pituitary gland.

Question 2

A patient presents with abnormally high blood sodium ($$\mathrm{Na^+}) $$and low potassium ($$\mathrm{K^+}) $$levels. Which adrenal cortex zone is most likely malfunctioning?

Accepted Answer

Zona glomerulosa

Question 3

Which structure is responsible for integrating sensory input and making decisions about what should be done at each moment?

Accepted Answer

Central nervous system

Question 4

Which of the following is NOT a function of the nervous system?

Accepted Answer

Producing hormones for metabolism

Question 5

A neuron receives a signal at its dendrites and transmits it along its axon. What is the name of the small gap between the axon terminal and the next cell?

Accepted Answer

Synapse

Question 6

Which of the following best describes the role of the thalamus?

Accepted Answer

It relays sensory information to the appropriate areas of the brain.

Question 7

If a patient has damage to the dorsal root of a spinal nerve, which function is most likely impaired?

Accepted Answer

Sensory input from the body

Question 8

Which equation best represents the relationship between the number of cranial nerve pairs ($$n) $$and the total number of cranial nerves ($$N$$)?

Accepted Answer

$$N = 2n$$

Question 9

Which subdivision of the brain is primarily responsible for regulating heart rate and blood pressure?

Accepted Answer

Brain stem

Question 10

A patient with a lesion in the frontal lobe would most likely experience difficulty with which function?

Accepted Answer

Reasoning and voluntary movement

Question 11

Which of the following is TRUE regarding the arrangement of gray and white matter in the spinal cord?

Accepted Answer

Gray matter forms an 'H' shape at the center of the cord.

Question 12

Which hormone is secreted by the pineal gland and helps regulate circadian rhythms?

Accepted Answer

Melatonin

Question 13

Which of the following best describes the function of the corpus callosum?

Accepted Answer

It connects the left and right cerebral hemispheres.

Question 14

Which equation correctly represents the calculation of the total number of spinal nerves ($$N) $$given five groups with $$n_1$$, $$n_2$$, $$n_3$$, $$n_4$$, $$n_5$$ nerves in each group?

Accepted Answer

$$N = n_1$ + n_2$ + n_3$ + n_4$ + n_5$

Question 15

Damage to which part of the brain would most likely result in loss of coordination and balance?

Accepted Answer

Cerebellum

Question 16

Which of the following is a correct pairing of a gland and its hormone?

Accepted Answer

Thyroid – Thyroxine

Question 17

Which type of neuron carries impulses from the CNS to effector organs?

Accepted Answer

Motor (efferent) neuron

Question 18

A patient is unable to produce testosterone. Which gland is most likely affected?

Accepted Answer

Testis

Question 19

Which of the following best describes the function of the meninges?

Accepted Answer

They protect the brain and spinal cord.

Question 20

Which equation best represents the calculation of blood pressure ($$BP) as $$regulated by the brain stem, given cardiac output ($$CO) $$and peripheral resistance ($$PR$$)?

Accepted Answer

$$BP = CO 	imes PR$$

Nervous and Endocrine Systems: Structure and Function in Human Anatomy

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