Nervous System Quiz 59 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The ..... is in charge of sending messages from our brain to the rest of our body.

Correct Answer: B) The Spinal Cord.

2. We blink without thinking about it. Which branch of the peripheral nervous system is responsible?

Correct Answer: B) Autonomic Nervous System.

3. This sensory/afferent subcategory (receptor to CNS) is the stimulus is consciously perceived

Correct Answer: A) Somatic sensory system.

4. Automatic response that occurs quickly and without conscious control

Correct Answer: A) Reflex.

5. What is the role of serotonin in the nervous system?

Correct Answer: C) Regulation of mood and perception.

6. The junction or space between neurons

Correct Answer: B) Conclusion.

7. These are the 2 parts of the diencephalon

Correct Answer: B) Thalamus and Hypothalamus.

8. When the parasympathetic nervous system is activated, heart rate will ..... and rate of digestion will .....

Correct Answer: C) Decrease // increase.

9. Which tests show function and structure?

Correct Answer: D) PET and fMRI.

10. ..... are specialized cells that are sensitive to stimuli and turn them into electrical impulses.

Correct Answer: D) Receptors.

11. The vital centers for the control of visceral activities such as heart rate, blood pressure, swallowing, and vomiting are located in the .....

Correct Answer: C) Medulla oblongata.

12. The part of your brain that connects the brain to the spinal cord AND is responsible for breathing and blood pressure is the

Correct Answer: D) Brain stem.

13. Which neuroglial cell forms the myelin sheath in the PNS?

Correct Answer: E) Schwann Cells.

14. This controls your balance and your posture

Correct Answer: B) Cerebellum.

15. The cerebrum is the largest part of the brain, and it controls

Correct Answer: D) Thinking, memory, and voluntary movements.

16. The somatic nervous system is made up of the fibers of motor neurons that supply:

Correct Answer: A) Skeletal muscles.

17. What does the cerebrospinal fluid (CSF) help to maintain?

Correct Answer: B) The blood-brain barrier.

18. What makes up the peripheral nervous system?

Correct Answer: B) Nerves outside of your brain & spinal cord.

19. Nerve cells are also called .....

Correct Answer: C) Neurons.

20. How many spinals nerves have the humans?

Correct Answer: C) 31.