Nervous System Quiz 36 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. A pandemic is when:

Correct Answer: D) An infectious disease spreads across a large region or even worldwide.

2. What are the 3 parts to the brain?

Correct Answer: D) Brain, cerebellum, brain stem.

3. Which type of nerve fiber carries acute pain?

Correct Answer: A) Myelinated nerve fibers.

4. A positive charge within a neuron is a direct correlation to .....

Correct Answer: C) Sodium entering the cell.

5. Which of the following is the colored portion of the eye

Correct Answer: A) Iris.

6. Which of these is an example of a reflex?

Correct Answer: C) Jumping when startled.

7. Elevated ridges of tissue in the cerebral cortex are called .....

Correct Answer: A) Glyri.

8. The measure of the difference in electrical charge between two areas is called a

Correct Answer: A) Voltage.

9. Which of the following neurotransmitters is associated with inhibition exclusively?

Correct Answer: A) GABA.

10. What hormone that flooded female's brain when they are mad which can make them upset?

Correct Answer: A) Cortisol.

11. When the CNS processes an input and decides what should be done with it:

Correct Answer: A) Integration.

12. These are chemicals that carry a nerve impulse across the gap at the synapse of a neuron to another neuron

Correct Answer: D) Neurotransmitters tagsneurotransmitter.

13. Which part of the nervous system coordinates the activity of the entire nervous system?

Correct Answer: B) The brain.

14. What is the function of the nerves?

Correct Answer: A) To carry messages to and from the body.

15. In the autonomic nervous system, the neuron that originates in the brain or spinal cord is the

Correct Answer: A) Preganglionic neuron.

16. Which of the following is a stimulus that might result in vomiting?

Correct Answer: D) Eating spoiled food.

17. Dysphagia means difficulty eating, as dysphasia means difficulty with .....

Correct Answer: C) Speech.

18. Blood in the urine

Correct Answer: C) There is blood in the urine.

19. Neurotransmitters are released from the

Correct Answer: C) Presynaptic axon terminals.

20. The fatty substance wrapped around the axon of a neuron that helps in fast and efficient conduction of impulses:

Correct Answer: C) Myelin sheath.