Question 1

Which of the following best describes the function of the central nervous system (CNS)?

Accepted Answer

It consists of the brain and spinal cord and acts as the decision maker for the body.

Question 2

A patient is unable to control their heart rate and digestion after a spinal injury. Which part of the nervous system is most likely affected?

Accepted Answer

Autonomic nervous system

Question 3

Which division of the autonomic nervous system is primarily responsible for the 'rest and digest' response?

Accepted Answer

Parasympathetic nervous system

Question 4

A person quickly withdraws their hand after touching a hot stove before feeling pain. Which neural pathway is responsible for this rapid response?

Accepted Answer

Reflex arc in the spinal cord

Question 5

Which of the following is TRUE about the somatic nervous system?

Accepted Answer

It enables voluntary control of skeletal muscles.

Question 6

If a drug blocks the action of the sympathetic nervous system, which effect would MOST likely be observed?

Accepted Answer

Reduced 'fight-or-flight' responses such as slower heart rate

Question 7

Which of the following best describes the role of sensory neurons?

Accepted Answer

They transmit information from sensory receptors to the brain and spinal cord.

Question 8

A person is able to consciously move their arm to pick up a book. Which nervous system division is directly responsible for this action?

Accepted Answer

Somatic nervous system

Question 9

Which of the following statements about the peripheral nervous system (PNS) is correct?

Accepted Answer

It is divided into the somatic and autonomic nervous systems.

Question 10

During a stressful event, which nervous system division is activated to prepare the body for action?

Accepted Answer

Sympathetic nervous system

Question 11

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

Accepted Answer

Enabling voluntary movement of skeletal muscles

Question 12

A patient has damage to their motor neurons. Which symptom would MOST likely be observed?

Accepted Answer

Inability to move certain muscles voluntarily

Question 13

Which pathway correctly describes the flow of information in a reflex arc?

Accepted Answer

Sensory neuron → spinal cord → motor neuron

Question 14

Which of the following best illustrates the function of the parasympathetic nervous system?

Accepted Answer

Promoting digestion and slowing the heart rate after a meal

Question 15

Which equation best represents the relationship between the central nervous system (CNS), peripheral nervous system (PNS), and the total nervous system?

Accepted Answer

$$Total\ Nervous\ System = CNS + PNS$$

Question 16

Which of the following scenarios best demonstrates the role of the sympathetic nervous system?

Accepted Answer

A person’s heart rate increases and pupils dilate when startled by a loud noise.

Question 17

Which of the following is a correct statement about efferent neurons?

Accepted Answer

They transmit signals from the brain and spinal cord to muscles and glands.

Question 18

A person is unable to feel pain in their hand but can still move it. Which type of neuron is most likely damaged?

Accepted Answer

Sensory neuron

Question 19

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

Accepted Answer

The somatic nervous system controls voluntary muscle movements, while the autonomic nervous system regulates involuntary bodily functions.

Question 20

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

Accepted Answer

Transmitting signals between the central nervous system and the rest of the body

Overview of the Nervous System

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