Nervous System Quiz 884 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. After a big meal you sit down in front of the TV and your body will probably

Correct Answer: E) Both b and c.

2. Green line of the graph suggests

Correct Answer: C) Opening of Voltage gated Na+ Channels and influx of Na+.

3. Sensory nerves carry impulses from the spinal cord to the sense organs

Correct Answer: B) False.

4. How do action potentials relay different intensities of information?

Correct Answer: C) By changing in frequency relative to the strength of the stimulus.

5. The thalamus and the hypothalamus makes up which major area of the brain?

Correct Answer: C) Diencephalon.

6. These neurons carry and process sensory information.

Correct Answer: C) Interneurons.

7. The relatively slow brain waves of a RELAXED, awake state are called:

Correct Answer: C) Alpha waves.

8. 6th nerve, aducts the eye

Correct Answer: B) Abducting.

9. Maintaining body temperature is an example of a:

Correct Answer: A) Negative feedback loop.

10. The most common psychiatric illnesses in the United States are:

Correct Answer: B) Anxiety disorders.

11. The PNS connects sensory receptors, muscles, and glands in the peripheral parts of the body to the CNS.

Correct Answer: A) True.

12. The fourth cranial nerve whose function is to turn the eye downward and laterally?

Correct Answer: C) Read through.

13. If the movement process regulated by the nervous system is realized, then the impulse will travel the path

Correct Answer: D) Receptors-sensory neurons-brain-motor neurons-effectors.

14. Involuntary

Correct Answer: D) Smooth and cardiac.

15. What lobe is in charge with your balance?

Correct Answer: C) Cerebellum.

16. Somatic and Autonomic Nervous SystemsThe two parts of the peripheral nervous system are

Correct Answer: D) Sensory neurons and motor neurons.

17. The amygdala is in charge of .....

Correct Answer: C) Fear and aggression.

18. Nervous tissue of the CNS that is composed primarily of myelinated axons is often referred to as ..... matter.

Correct Answer: D) White.

19. Which cranial nerve carries visual information from the eye to the brain?

Correct Answer: B) Optic.

20. Which part of the brain coordinates skeletal muscle activity, balance, and posture?

Correct Answer: D) Cerebellum.