Nervous System Quiz 647 (20 MCQs)

Quiz Instructions

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1. The human nervous system is capable of a wide range of functions. what is the basic unit of the nervous system?

Correct Answer: C) Neuron.

2. This neurotransmitter is associated with sleepiness and a general calmness?

Correct Answer: C) Serotonin.

3. ..... is the return of polarity from positive back to negative (the RMP).

Correct Answer: C) Repolarization.

4. Interneurons are responsible for which of the following?

Correct Answer: B) Relaying messages between sensory and motor neurons.

5. What is the resting potential of a neuron

Correct Answer: D) -70 mv.

6. Conditioned reflexes involve

Correct Answer: C) Prior thought or learning.

7. The ..... makes up the inner lining of the eyelids.

Correct Answer: B) Conjunctiva.

8. Cells that are associated with the functions of the nervous system.

Correct Answer: A) Neurons.

9. Cataracts result from changes in the:

Correct Answer: C) Lens.

10. The most important function of skin is:

Correct Answer: A) Protection.

11. What is a muscle or gland?

Correct Answer: B) Effector.

12. Which two parts of the body make up the central nervous system?

Correct Answer: D) Brain and spinal cord.

13. Which of these structures is NOT part of the forebrain?

Correct Answer: D) Brainstem.

14. Small cells that engulf and destroy microbes and cellular debris in the CNS providing an immune response.

Correct Answer: A) Microglia.

15. Which organ among them is included in Autonomic nervous system?

Correct Answer: A) Heart.

16. The parasympathetic nervous system is responsible for the body during rest and digest.

Correct Answer: A) True.

17. The elevated ridges on the surface of the cerebral cortex are known as ..... while the shallow grooves are termed .....

Correct Answer: B) Gyri; sulci.

18. Which of these terms applies to paralysis of all four limbs?

Correct Answer: A) Quadriplegia.

19. Which type of neuron is a connecting neuron?

Correct Answer: C) Interneuron.

20. What is sphenopalatine ganglioneuralgia?

Correct Answer: B) Brain freeze.