Nervous System Quiz 52 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which part of the brain is responsible for controlling heart rate?

Correct Answer: B) Medulla.

2. Which of the following regulates the transition between sleeping, being awake, and being in a heightened state of awareness?

Correct Answer: C) Reticular formation.

3. Carries messages from the sense organs to the spinal cord and brain

Correct Answer: A) Sensory neurons.

4. The smaller bone of the forearm, on the same side as the thumb, is the .....

Correct Answer: C) Radius.

5. In the contraction cycle, ATP is required for which step

Correct Answer: C) Release of myosin head.

6. The myelin-producing neuroglia of the peripheral nervous system

Correct Answer: B) Schwann cells.

7. The brain and spinal cord consist of two types of matter-grey and white. Which contains nerve cells and is well supplied with blood vessels?

Correct Answer: A) Grey matter.

8. Hich of the following statements is TRUE?

Correct Answer: C) Nerves are tracts that carry information from and to the central nervous system.

9. How does the nervous system help maintain homeostasis?

Correct Answer: B) The nervous system senses the environment inside of your body, including temperature.

10. This is the primary organ of CNS that receives and interprets countless signals.

Correct Answer: C) Brain.

11. What is the role of neurotransmitters in signal transmission?

Correct Answer: C) Transmitting signals across the synapse from one neuron to another.

12. Regulates the amount of light entering the eye and gives the eye its color.

Correct Answer: A) Iris.

13. Where is the brain located?

Correct Answer: B) Cranial cavity.

14. When the spinal cord shortcuts the brain to help protect the body its called a .....

Correct Answer: A) Reflex arc.

15. The ..... is the body's control center.

Correct Answer: C) Brain.

16. Portion of the nervous system that gathers info from the environment

Correct Answer: C) Sensory.

17. How many pairs of cranial nerves are on the underside of the brain?

Correct Answer: D) 12.

18. The ecosystem's ability to maintain equilibrium even when adisturbance has occurred.

Correct Answer: A) Ecosystem stability.

19. Your main reflex center is located in the

Correct Answer: D) Midbrain.

20. The lobe responsible for controlling our hearing and smell is the .....

Correct Answer: A) Temporal.