Question 1

Which of the following best describes a major function of the nervous system?

Accepted Answer

Detecting changes in the internal and external environment and coordinating responses

Question 2

Which structure is NOT part of the central nervous system (CNS)?

Accepted Answer

Cranial nerves

Question 3

The peripheral nervous system (PNS) is primarily responsible for:

Accepted Answer

Transmitting signals between the CNS and the rest of the body

Question 4

Which of the following is a basic function of the spinal cord?

Accepted Answer

Coordinating reflexes and transmitting signals to and from the brain

Question 5

Which equation best represents the flow of information in the nervous system?

Accepted Answer

$$Stimulus \rightarrow Sensory~Receptor \rightarrow CNS \rightarrow Effector$$

Question 6

Which of the following best distinguishes the somatic and autonomic divisions of the peripheral nervous system?

Accepted Answer

Somatic controls voluntary muscles; autonomic controls involuntary muscles

Question 7

A patient is unable to move their right arm voluntarily but can still sweat and their heart rate is normal. Which division of the nervous system is most likely affected?

Accepted Answer

Somatic division of the PNS

Question 8

Which of the following is a key difference between the central and peripheral nervous systems?

Accepted Answer

The CNS includes the brain and spinal cord, while the PNS includes nerves outside the CNS

Question 9

Which of the following scenarios best illustrates the integrative function of the nervous system?

Accepted Answer

Seeing a red light and deciding to stop your car

Question 10

Which of the following is TRUE regarding the two functional divisions of the peripheral nervous system?

Accepted Answer

The sensory division transmits information from sensory receptors to the CNS, while the motor division transmits information from the CNS to effectors

Question 11

A person is exposed to a stressful situation and their heart rate increases. Which division of the nervous system is primarily responsible for this response?

Accepted Answer

Sympathetic division of the autonomic nervous system

Question 12

Which of the following best describes the role of cranial nerves?

Accepted Answer

They are part of the PNS and connect the brain to structures in the head and neck

Question 13

Which of the following is an example of the sensory function of the nervous system?

Accepted Answer

Detecting a change in temperature on the skin

Question 14

Which of the following best describes the function of the brain in the nervous system?

Accepted Answer

It acts as the main center for processing and integrating information

Question 15

Which of the following is a correct sequence for the flow of information in a reflex arc?

Accepted Answer

$$Receptor \rightarrow Sensory~Neuron \rightarrow CNS \rightarrow Motor~Neuron \rightarrow Effector$$

Overview of the Nervous System – Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards