Nervous System Quiz 536 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Part of the blood that keeps it in liquid form. It is mostly made of water.

Correct Answer: C) Plasma.

2. Where are the thalamus and the hypothalamus found?

Correct Answer: A) The brain stem and the cerebrum.

3. Which muscles work automatically without you thinking about it?

Correct Answer: B) Involuntary muscles.

4. ..... connect the CNS to the muscles and glands of the body

Correct Answer: C) Motor neurons.

5. Two major functions of the neurons are?

Correct Answer: D) Irritability and conductivity.

6. In which order do the layers of skin occur from the outside to the inside

Correct Answer: C) Epidermis, Dermis, Hypodermis.

7. This part of your brain is responsible for vision, hearing, sleep and wake cycles

Correct Answer: A) Midbrain.

8. According to function a neuron (interneuron) that forms bridges would

Correct Answer: C) Transmit impulses between other neurons.

9. The soft delicate jelly-like part of the body is called

Correct Answer: C) Brain.

10. What substance surrounds the spinal cord?

Correct Answer: A) Gray matter.

11. What is the control unit of the body?

Correct Answer: B) Brain.

12. Which part of the peripheral nervous system is responsible for voluntary actions?

Correct Answer: C) Somatic nervous system.

13. Muscles that you DO NOT control are known as .....

Correct Answer: A) Involuntary.

14. What is a bundle of nerves that begins at the brain stem and continues down the center of the back through the vertebrae?

Correct Answer: B) Spinal cord.

15. The part of the brain that is for balance and coordination

Correct Answer: C) Cerebellum.

16. Which of the following is an involuntary action and might require you to leave class immediately?

Correct Answer: C) You're going to throw up.

17. Sensory nerves carry messages from ..... to .....

Correct Answer: B) Brain/Spinal< Body parts.

18. What is #7 in the diagram?

Correct Answer: B) Vesicle.

19. During the threshold and rising action potential (depolarization), what channels are opening?

Correct Answer: A) Sodium.

20. ..... is responsible for memories, hearing, and smell

Correct Answer: C) Temporal lobe.