Nervous System Quiz 991 (20 MCQs)

Quiz Instructions

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1. Which of the following genotypes is a purebred?

Correct Answer: A) Bb.

2. The part of the neuron which an impulse is sent along through is the .....

Correct Answer: A) Axon.

3. Most inferior portion of the brain stem

Correct Answer: C) Medulla oblongata.

4. The nerve cells that connect sensory and motor neurons are the .....

Correct Answer: C) Interneurons.

5. You would find more ..... in the nervous system comparatively.

Correct Answer: B) Glial cells.

6. The peripheral nervous system (PNS) consists of .....

Correct Answer: C) All the nerves and ganglia outside of the brain and spinal cord.

7. Which of the following is a way of overcoming limitations in climate?

Correct Answer: A) Greenhouses.

8. Each hemisphere of the cerebrum is divided into regions called .....

Correct Answer: A) Lobes.

9. The ..... and ..... are protected in the body by the following structures:

Correct Answer: B) In, spinal cord:cranium, vertebrae, meninges, cerebrospinal fluid.

10. Why are sensory nerve fibers unique?

Correct Answer: B) They only carry nerve impulses in one direction.

11. After depolarization what happens to restore resting potential? Don't pick the answer with &

Correct Answer: C) Potassium channels open and potassium ions diffuse into the neuron.

12. Part of the neuron that is the nerve cell or soma

Correct Answer: A) Cell body.

13. What part of the eye is #2 pointing to?

Correct Answer: B) Pupil.

14. Which part controls the INVOLUNTARY actions?

Correct Answer: C) Brain stem.

15. What are the two major systems of the nervous system?

Correct Answer: A) The central nervous system and the peripheral nervous system.

16. Ciliary muscles Contract up Close (CCC). State the process this mnemonic (memory tool) describes.

Correct Answer: A) How the eye sees objects close by.

17. Membrane that covers several muscle fibers to form a bundle.

Correct Answer: D) Perimysium.

18. The part of the peripheral nervous system that controls voluntary movement

Correct Answer: A) Somatic.

19. What makes chemicals for sleep and bridges spinal cord and brain?

Correct Answer: B) Pons.

20. How do neurons communicate in long-distance?

Correct Answer: B) Using electrical signals.