Nervous System Quiz 689 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Another name for a nerve cell is a:

Correct Answer: C) Neuron.

2. White matters refers to myelinated fibers in the:

Correct Answer: A) CNS.

3. The motor nerves help carry orders from the brain to the muscles or certain parts of the body.

Correct Answer: A) True.

4. The myelinated axons; quicker moving signal

Correct Answer: A) White matter.

5. Why is the overall charge of the matrix outside a neuron positive in a resting neuron?

Correct Answer: A) Presence of Na ions.

6. Which of these form the peripheral nervous system?

Correct Answer: B) Nerves and ganglia.

7. The cerebrum is .....

Correct Answer: B) The wrinkly 'cover' of the brain.

8. What neurotransmitter is responsible for communicating with a muscle at the neuromuscular junction?

Correct Answer: C) Acetylcholine.

9. What is an example of a reflex?

Correct Answer: B) Sneezing and blinking.

10. Neurons that have a short single process leaving the cell body

Correct Answer: A) Unipolar.

11. To bounce or sound

Correct Answer: D) I/o.

12. Brain contains four lined cavities; lays deep within the brain called?

Correct Answer: A) Ventricles.

13. Efferent nerves

Correct Answer: B) Conducts messages from the CNS to the muscle and glands of the body.

14. The membrane that surrounds a fasicle of nerve fibers is called the

Correct Answer: A) Perineurium.

15. When you accidentally touch a hot object, you quickly move your hand away from the object. Which branch of the nervous system takes over?

Correct Answer: A) Somatic nervous system.

16. Lipid (fat) covering that increases the rate of transmission and insulates the axon of a neuron:

Correct Answer: C) Myelin sheath.

17. When a neuron is resting, the inside of the axon has a ..... charge in relation to .....

Correct Answer: B) Negative, the surrounding cytoplasm.

18. Which part of Nervous System that has a role to fear processing

Correct Answer: B) Amygdala.

19. Brain area that receives smell impulses

Correct Answer: A) Olfactory bulb.

20. Which type of joint is found at your shoulder and hip and allows for the greatest range of motion?

Correct Answer: A) Ball and socket.