Question 1

Which of the following best describes the sequence of events in nervous system function as illustrated in the first image?

Accepted Answer

Sensory input → Integration → Motor output

Question 2

Which cell type is responsible for forming myelin sheaths in the peripheral nervous system?

Accepted Answer

Schwann cells

Question 3

A patient suffers damage to the hypothalamus. Which function is most likely to be disrupted?

Accepted Answer

Homeostasis regulation

Question 4

Which of the following is NOT a function of neuroglia in the central nervous system?

Accepted Answer

Transmitting electrical impulses

Question 5

During embryonic development, which primary brain vesicle gives rise to the cerebrum?

Accepted Answer

Prosencephalon

Question 6

Which equation best represents the resting membrane potential of a neuron?

Accepted Answer

$$ V_{m} = \frac{RT}{F} \ln \left( \frac{[K^+]_{in}}{[K^+]_{out}} \right) $$

Question 7

Which of the following is a correct pairing of a brain region and its function?

Accepted Answer

Thalamus – Relay of sensory information

Question 8

If a neuron is in the absolute refractory period, which of the following is true?

Accepted Answer

It cannot generate another action potential regardless of stimulus strength.

Question 9

Which of the following best describes the function of dendrites in a neuron?

Accepted Answer

Receive incoming signals from other neurons

Question 10

A patient is unable to perceive pain. Which type of sensory receptor is most likely malfunctioning?

Accepted Answer

Nociceptors

Question 11

Which of the following is a characteristic unique to neurons compared to most other cell types?

Accepted Answer

Extreme longevity

Question 12

Which structure connects the hypothalamus to the pituitary gland?

Accepted Answer

Infundibulum

Question 13

Which of the following is NOT a function of the blood-brain barrier?

Accepted Answer

Allowing free passage of all nutrients

Question 14

Which equation describes the relationship between voltage, current, and resistance in a neuron?

Accepted Answer

$$ V = IR $$

Question 15

Which of the following is a direct effect of excitatory neurotransmitters?

Accepted Answer

Depolarization of the postsynaptic membrane

Question 16

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

Accepted Answer

Relay signals between the cerebrum and cerebellum

Question 17

Which layer of the meninges is closest to the brain tissue?

Accepted Answer

Pia mater

Question 18

Which of the following is a function of the basal nuclei?

Accepted Answer

Regulation of voluntary motor movements

Question 19

Which of the following best describes the role of the spinal cord in the nervous system?

Accepted Answer

Relay of reflexes and transmission of signals between brain and body

Question 20

Which of the following is true about mixed nerves?

Accepted Answer

They contain both sensory and motor fibers

Fundamentals of the Nervous System: Structure and Function

Study Guide - Practice Questions