Nervous System Quiz 753 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Regulates cardiac contraction and blood pressure; was the first neurotransmitter discovered

Correct Answer: C) Acetylcholine.

2. The minimum number of cell(s) an organism has is (a)

Correct Answer: A) A 1.

3. The division of the nervous system that you DO NOT have voluntary control over:

Correct Answer: B) Autonomic.

4. The hypothalamus is a part of the ..... nervous system.

Correct Answer: A) Central.

5. How many senses we have?

Correct Answer: D) 5.

6. The neurotransmitter that controls muscle contraction is called acetylacetate.

Correct Answer: B) False.

7. What is the job of the brain?

Correct Answer: B) To receive, process, and send messages.

8. The "cause" for something to happen is the

Correct Answer: C) Stimulus.

9. The base of the brain, brain stem, controls heartbeat and breathing

Correct Answer: C) Medulla.

10. Our spinal cord is protected by the vertebrate of our backbone. What two systems are interacting?

Correct Answer: D) Nervous and Skeletal.

11. Neurons can be classified by their functional differences. What type of neurons transmit information from sensory receptors to the CNS?

Correct Answer: C) Sensory neurons.

12. What is the source of energy used to power the sodium-potassium pump?

Correct Answer: A) Breakdown of ATP.

13. Unmyelinated and tightly-packed neuron cell bodies

Correct Answer: A) Gray matter.

14. Nicotinic ACh receptors always cause a(n) .....

Correct Answer: A) EPSP.

15. What is a response to a reflex?

Correct Answer: B) Coughing due to too much perfume.

16. Your ..... senses the chemical in the air, and sends this information to your brain.

Correct Answer: C) Olfactory bulb.

17. Controls movement, senses and speech.

Correct Answer: A) Cerebrum.

18. This cranial nerve controls the tongue and pharynx

Correct Answer: C) Glossopharyngeal.

19. This helps the messages go quickly through neurons.

Correct Answer: B) Myelin.

20. How are rods different than cones?

Correct Answer: B) Rods see black and white, cones see color.