Question 1

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

Accepted Answer

Coordinating voluntary and involuntary actions by transmitting electrical signals

Question 2

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

Accepted Answer

Cranial nerves

Question 3

A patient is unable to move their right arm voluntarily but can still feel sensations in it. Which part of the nervous system is most likely damaged?

Accepted Answer

Motor division of the peripheral nervous system

Question 4

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

Accepted Answer

Relaying information between the brain and the rest of the body

Question 5

The peripheral nervous system (PNS) is divided into which two main functional divisions?

Accepted Answer

Sensory (afferent) and motor (efferent)

Question 6

Which of the following best distinguishes the sensory division from the motor division of the PNS?

Accepted Answer

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

Question 7

Which organ is responsible for integrating and processing information in the central nervous system?

Accepted Answer

Brain

Question 8

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

Accepted Answer

Sensory neuron → CNS → Motor neuron

Question 9

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

Accepted Answer

The CNS processes and integrates information, while the PNS transmits signals to and from the CNS.

Question 10

Which of the following scenarios best illustrates the function of the autonomic division of the PNS?

Accepted Answer

Regulating heart rate during sleep

Question 11

Which of the following is TRUE regarding the somatic and autonomic divisions of the motor division of the PNS?

Accepted Answer

The somatic division controls voluntary muscles, while the autonomic division controls involuntary muscles.

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

A patient has damage to the parasympathetic division of their autonomic nervous system. Which symptom would you most likely expect?

Accepted Answer

Increased heart rate and reduced digestion

Question 14

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

Accepted Answer

Producing red blood cells

Question 15

Which division of the nervous system is responsible for transmitting information from the CNS to skeletal muscles?

Accepted Answer

Somatic motor division

Module 11.1: Overview of the Nervous System

Study Guide - Practice Questions