Nervous System Quiz 30 (20 MCQs)

Quiz Instructions

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1. The portion of the eye that regulates the amount of light enetering the eye, similar to the diaphragm of a camera, is the:

Correct Answer: A) Iris.

2. The element responsible for depolarizing the nerve cell:

Correct Answer: C) Sodium.

3. The type of neuron that identifies sight, touch, smell, sound, and taste is the .....

Correct Answer: C) Sensory neuron.

4. What is the correct order of the ossicles (bones of the ear)?

Correct Answer: A) Hammer, Anvil, Staples.

5. What is the part of the brain responsible for unconcious bodily functions called?

Correct Answer: C) Brainstem.

6. Response

Correct Answer: B) The animal's reaction to the stimulus.

7. The brain controls the body's functions.

Correct Answer: A) True.

8. A cytoplasmic extension of a neuron that receives stimuli

Correct Answer: C) Dendrite.

9. What is the axon?

Correct Answer: C) It is a long tube like part with a fine terminal nerve endings.

10. What is another name for the specialized proteins that pick up neurotransmitters from the synaptic cleft?

Correct Answer: B) Receptors.

11. Inner layer; covers the brain surface (made of blood vessels)

Correct Answer: B) Pia Mater.

12. ..... are the aggregates of the cytons or cell bodies of nerve cells from which the nerve fibres may arise or enter into.

Correct Answer: C) Ganglia.

13. The ..... is the basic unit of structure and function in the nervous system.

Correct Answer: D) Neuron.

14. Which lobe of the brain is involved in short-term memory and speech?

Correct Answer: D) Temporal lobe.

15. Which structure separates the left and right hemispheres of the cerebrum?

Correct Answer: C) Longitudinal fissure.

16. Symptoms include:Double vision, Balance problems, caused by immune system eating away at protective nerve covering

Correct Answer: A) Multiple Sclerosis.

17. Which type of image is formed on the retina?

Correct Answer: C) Real and inverted.

18. Nerves that transmit impulses away from the brain and spinal cord to the muscles and glands are:

Correct Answer: A) Efferent nerves.

19. Sends impulses AWAY from CNS to muscle and glands.

Correct Answer: A) Motor Neuron.

20. Long process that carries information away from the cell in a bioelectric signal.

Correct Answer: B) Axon.