Nervous System Quiz 816 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. These nerve fibers are turned on when extra is needed-

Correct Answer: B) Sympathetic.

2. ATP each lose TWO phosphates to adenylyl cyclase. After losing two phosphate ATP becomes .....

Correct Answer: D) Cyclic AMP (cAMP).

3. The thin layer of the meninges is the

Correct Answer: A) Pia mater.

4. ..... is the primary inhibitory neurotransmitter in the CNS causing-Cl channels to open rather than +Na.

Correct Answer: B) GABA.

5. Which division of the nervous system is known as the integration and control center?

Correct Answer: A) Central Nervous System.

6. The correct direction of the neural impulse within the neuron:

Correct Answer: C) Dendrite to axon terminal.

7. Which direction does the nerve impulse move from the cell body?

Correct Answer: A) Away.

8. What term describes a change in the environment that an animal can detect

Correct Answer: C) Stimulus.

9. Which protein channel on the nerve cell membrane is always active?

Correct Answer: B) Sodium potassium channel pump.

10. If a doctor hammers your knee, you have a .....

Correct Answer: A) Monosynaptic reflex.

11. What type of neuron alerts the central nervous system that you stepped on a nail?

Correct Answer: C) Sensory.

12. Which of the following divisions control unconscious decision making such as heart beat?

Correct Answer: C) Autonomic.

13. Which 2 body systems interact and initiate movement?

Correct Answer: A) Muscular and nervous system.

14. The basic part of the nervous system is the .....

Correct Answer: C) Neuron.

15. A sudden, involuntary response is also called a

Correct Answer: C) Reflex.

16. The system that is made up by the sympathetic and parasympathetic nervous systems.

Correct Answer: C) Autonnomic Nervous System.

17. Rod-Shaped cells that make up the majority of the retina

Correct Answer: C) Rods.

18. Which of the following is a concentration of the nervous system in the head region of an animal, as opposed to a diffuse net?

Correct Answer: B) Cephalization.

19. Part of the neuron that brings signals to the cell body

Correct Answer: C) Dendrite.

20. The role of cilia is to sweep germs (hopefully into the stomach).

Correct Answer: A) True.