Nervous System Quiz 174 (20 MCQs)

Quiz Instructions

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1. The part of the body that integrates the information it receives from all over the body in order to make decisions is called the .....

Correct Answer: D) Central nervous system.

2. Which lobe of the brain is Broca's area located?

Correct Answer: A) Frontal.

3. Which part of the nerve RECEIVES messages?

Correct Answer: A) Dendrite.

4. The smallest functional unit of life.

Correct Answer: A) Cell.

5. All of the following are a type of mechanoreceptor except which one?

Correct Answer: A) Free nerve endings.

6. The nervous system carries blood.

Correct Answer: B) False.

7. This system is responsible for regulating hormones and is associated with our emotions.

Correct Answer: C) Limbic system.

8. If I step on a nail ..... what type of neurons send the response from the brain to my muscles?

Correct Answer: A) Motor.

9. Which structure insulates the nerve impulse?

Correct Answer: B) Myelin Sheath.

10. The part of the peripheral nervous system that brings information to the central nervous system is the

Correct Answer: B) Afferent.

11. Which type of neuron carries impulses from the skin and organs to the spinal cord and brain?

Correct Answer: A) Sensory (afferent) neurons.

12. There are 12 pairs of spinal nerves.

Correct Answer: B) False.

13. Sensory nerves carry messages from the sense organs to the brain .....

Correct Answer: A) True.

14. The reticular activating system is important for ..... When it is damaged, the person may fall into a .....

Correct Answer: B) Wakefulness; coma.

15. An axon has a myelin sheath produced by Schwann cells. Where is this axon located?

Correct Answer: A) PNS.

16. Menstrual

Correct Answer: C) Menstruation/menstruation.

17. Which type of nerve fibers innervate skeletal muscles to control voluntary movements?

Correct Answer: D) Somatic motor nerve fibers.

18. This type of response requires you to think about it to control it. (example= running)

Correct Answer: A) VOLUNTARY.

19. Which neurons conduct impulses away from receptors in the PNS to the CNS?

Correct Answer: A) Sensory neurons.

20. The two main types of cells found in the nervous system are

Correct Answer: B) Neurons and neuroglia.