Nervous System Quiz 47 (20 MCQs)

Quiz Instructions

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1. Which of the following receptors are found in the semicircular canals, utricle, and saccule?

Correct Answer: B) Mechanoreceptors.

2. How many lobes make it up?

Correct Answer: D) 4.

3. Nervous tissue may degenerate or break down.

Correct Answer: A) True.

4. What does the neuron's Axon do?

Correct Answer: C) Carries information from the cell body to other neuronsThis is a wrong answer.

5. When a section of the resting neuron is stimulated .....

Correct Answer: C) It jumps over the myelin.

6. A nerve cell is known as a

Correct Answer: B) Neuron.

7. The brain weighs approximately

Correct Answer: A) 3 lbs.

8. An interneuron carries a message from the central nervous system to the muscle.

Correct Answer: A) True.

9. Which of the following physiological symptoms indicate the parasympathetic nervous system is dominant?

Correct Answer: D) Decreased respiration, contracted bladder, stimulated saliva.

10. Glial cells are smaller and less in number than neurons.

Correct Answer: B) False.

11. The ..... acts to keep one aroused and awake.

Correct Answer: D) Reticular formation.

12. Possesses the Sensory Cortex

Correct Answer: D) Parietal Lobe.

13. Which describes a depolarized nerve?

Correct Answer: A) Positively charged inside, negatively charged outside.

14. This is the function of the general interpretation area.

Correct Answer: C) Complex Thoughts.

15. The cranial nerve directly involved with swallowing is the .....

Correct Answer: B) IX.

16. The resting potential indicates that the inside of the neuron is ..... compared to the outside.

Correct Answer: A) Negative.

17. Neurons that transmit impulses to the spinal cord and brain from all parts of the body.

Correct Answer: A) Sensory neuron.

18. The parietal lobe contains the

Correct Answer: B) Somatosensory cortex.

19. Antibodies are produced by:

Correct Answer: C) Lymphocytes.

20. The outer ear collects sound waves and passes them to the .....

Correct Answer: C) Ear Drum.