Nervous System Quiz 36 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Neuron:gather signals & convert them into electrical signals called impulses

Correct Answer: A) Dendrites.

2. The Nervous System comprises of three parts:

Correct Answer: C) The Brain, The Spinal Cord, Nerves.

3. Large, paired structures that constitute the cerebrum

Correct Answer: A) Cerebral hemispheres.

4. A pandemic is when:

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

5. What are the 3 parts to the brain?

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

6. Which type of nerve fiber carries acute pain?

Correct Answer: A) Myelinated nerve fibers.

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

Correct Answer: C) Sodium entering the cell.

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

Correct Answer: A) Iris.

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

Correct Answer: C) Jumping when startled.

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

Correct Answer: A) Glyri.

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

Correct Answer: A) Voltage.

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

Correct Answer: A) GABA.

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

Correct Answer: A) Cortisol.

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

Correct Answer: A) Integration.

15. 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.

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

Correct Answer: B) The brain.

17. What is the function of the nerves?

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

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

Correct Answer: A) Preganglionic neuron.

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

Correct Answer: D) Eating spoiled food.

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

Correct Answer: C) Speech.