Nervous System Quiz 318 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. ..... are shallow grooves in the cerebral cortex

Correct Answer: C) Sulci.

2. Smooth muscle that controls the pupil size

Correct Answer: C) Iris.

3. Controls reflexes (sneezing, blinking, swallowing)

Correct Answer: C) Medulla.

4. Information carried by a neuron

Correct Answer: A) Impulse.

5. A REACTION TO A STIMULUS (SUCH AS HEAT OR PAIN)

Correct Answer: C) REFLEX.

6. Which neurons relay information between neurons in the brain and spinal cord?

Correct Answer: B) Interneurons.

7. A person born without sodium channels in nerves that carry information for pain

Correct Answer: D) Has a high potential for injury.

8. What are the two types of cells found in the nervous system?

Correct Answer: B) Neurons and glial cells.

9. The gap that separates the axon of one neuron and the dendrite of another neuron.

Correct Answer: C) Conclusion.

10. The neurons are arranged in bundles called .....

Correct Answer: A) Nerves.

11. In nervous tissue, the type of cell that can transmit signals from one cell to another:

Correct Answer: A) Neuron.

12. Sudden, uncontrolled nerve impulses, often due to injury or bad reaction to medication:

Correct Answer: B) Positive deviation.

13. ..... nerve connects ear to brain.

Correct Answer: B) Auditory.

14. Which neurotransmitter do the postganglionic fibers of the sympathetic nervous system release?

Correct Answer: B) Norepinephrine.

15. What is the window of the eye?

Correct Answer: A) Cornea.

16. What is parkinson's disease?

Correct Answer: A) Develops as cells are destroyed in certain parts of the brain stem.

17. About the size of a thumb in diameter and approximately 3 inches long. Structures include the midbrain, the pons, and the medulla oblongata.

Correct Answer: C) Brain Stem.

18. Lobe of the cerebrum that is at the front of the brain and controls thing such as problem solving, personality, and decision making.

Correct Answer: A) Frontal.

19. The outer layer of the cerebrum is the

Correct Answer: C) Cerebral cortex.

20. What is a nerve cell called?

Correct Answer: D) Neuron.