Question 1

Which of the following best describes the main function of the Central Nervous System (CNS)?

Accepted Answer

It processes information and makes decisions about how the body should respond.

Question 2

A patient is unable to move their right arm after a spinal cord injury. Which part of the nervous system is most likely damaged?

Accepted Answer

Central Nervous System (CNS)

Question 3

Which of the following is TRUE regarding the Peripheral Nervous System (PNS)?

Accepted Answer

It includes 31 pairs of spinal nerves and 12 pairs of cranial nerves.

Question 4

Which division of the nervous system is responsible for involuntary control of the heart and digestive organs?

Accepted Answer

Autonomic Nervous System

Question 5

A person is startled by a loud noise, causing their heart rate to increase and pupils to dilate. Which branch of the autonomic nervous system is primarily responsible for this response?

Accepted Answer

Sympathetic Nervous System

Question 6

Which of the following best describes the function of sensory (afferent) neurons?

Accepted Answer

They carry information from sensory receptors toward the CNS.

Question 7

Which of the following is a correct pairing of nervous system structure and function?

Accepted Answer

Spinal cord – transmits signals between the brain and the body

Question 8

If a person’s autonomic nervous system is damaged, which of the following functions would most likely be affected?

Accepted Answer

Regulation of heart rate and digestion

Question 9

Which of the following best explains the difference between the somatic and autonomic nervous systems?

Accepted Answer

The somatic nervous system controls voluntary muscle movements, while the autonomic nervous system controls involuntary functions such as heart rate.

Question 10

A person is digesting a meal and their heart rate is slow and steady. Which branch of the autonomic nervous system is most active?

Accepted Answer

Parasympathetic Nervous System

Question 11

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

Accepted Answer

Producing red blood cells

Question 12

Which of the following best describes the role of interneurons?

Accepted Answer

They connect sensory and motor neurons within the CNS.

Question 13

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

Accepted Answer

A person’s heart rate increases and their airways dilate while running from a dog.

Question 14

Which of the following is a correct statement about the organization of the nervous system?

Accepted Answer

The PNS consists of nerves that connect the CNS to the rest of the body.

Question 15

A person touches a hot stove and quickly pulls their hand away. Which sequence best describes the flow of information?

Accepted Answer

Sensory neuron → CNS → Motor neuron

Question 16

Which of the following is a function of the parasympathetic nervous system?

Accepted Answer

Stimulates digestion and slows the heartbeat

Question 17

Which of the following best describes the relationship between the CNS and PNS?

Accepted Answer

The CNS sends and receives information through the PNS.

Question 18

Which of the following is an example of a function controlled by the somatic nervous system?

Accepted Answer

Voluntary movement of the arm

Question 19

Which of the following best explains why the nervous system is essential for maintaining homeostasis?

Accepted Answer

It detects changes in the internal and external environment and coordinates appropriate responses.

Introduction to the Nervous System and Nervous Tissue

Study Guide - Practice Questions

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