Nervous System Quiz 976 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which of the following is true of cranial nerves?

Correct Answer: C) They may carry motor, sensory, or both kinds of information.

2. Part of the brain used when studying for this test.

Correct Answer: B) Cerebrum.

3. Unmyelinated nerve fibres are found in:

Correct Answer: C) Both ANS & SNS.

4. This part of the nervous system is made up of nerves outside the brain and spinal cord

Correct Answer: A) Peripheral nervous system.

5. Nerves are thin strands of long fibers that send ..... throughout the body

Correct Answer: C) Signals.

6. What division of the nervous system detects information using sensory receptors?

Correct Answer: C) Somatic nervous system.

7. Choose the wrong sentence about graded potentials.

Correct Answer: D) Mediated through Voltage gated ion channels.

8. Through which process do plants obtian energy?

Correct Answer: C) Photosynthesis.

9. Chemicals in the neuron that help send messages across the synapse

Correct Answer: B) Neurotransmitters.

10. WHICH ORGAN IS REGARDED AS THE FASTEST ORGAN IN HUMAN BODY?

Correct Answer: D) BRAIN.

11. True or False:You need light to be able to see.

Correct Answer: A) True.

12. Diencephalon has two major structures the thalamus and the

Correct Answer: A) Hypothalamus.

13. Weight of the brain

Correct Answer: A) 3 pounds.

14. The chemicals that float across the synapse are called

Correct Answer: B) Neurotransmitters.

15. The outer layer of the cerebrum is called the .....

Correct Answer: B) Cerebral Cortex.

16. The ..... nervous system monitors breathing, heart rate, and digestion.

Correct Answer: C) Autonomic nervous system.

17. The somatic NS collects info from the sensory organs. what is NOT a sense?

Correct Answer: E) Breathing.

18. The suffix-plasia means:

Correct Answer: B) Development.

19. What controls our reflex actions?

Correct Answer: B) Spinal Cord.

20. What structure of the eye controls the size of the pupils?

Correct Answer: B) Focuses light onto the retina.