Nervous System Quiz 104 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Part of the nervous system that controls balance

Correct Answer: B) Cerebellum.

2. The pons is responsible for reflex actions including chewing, tasting, and saliva production.

Correct Answer: A) True.

3. When a neuron reaches threshold and an action potential is generated:

Correct Answer: A) Sodium ions enter the cell.

4. Insulates the axon and helps the electrical signal travel more quickly

Correct Answer: C) Myelin sheath.

5. Which joint is present in knee and elbow?

Correct Answer: A) Hinge.

6. What are the thin filaments in a myofibril?

Correct Answer: C) Actin.

7. This part controls balance and coordination.

Correct Answer: C) Cerebellum.

8. Encephalomyeloradiculitis

Correct Answer: A) Inflammation of the brain, spinal cord, and nerve roots.

9. An easier stimulus response can happen by:

Correct Answer: D) All are correct.

10. The area of sharpest vision, where most cones are located is called the

Correct Answer: A) Central pit.

11. ..... collect information and send the message to the brain.

Correct Answer: A) Nerves.

12. The right side of the brain controls the

Correct Answer: C) Left side of the body.

13. Dementia is a form of Alzheimer

Correct Answer: B) False.

14. The active transport of ions across the membrane of a nerve creates the an impulse.

Correct Answer: B) False.

15. Having two of the same genes for the trait (sometimes called purebred).

Correct Answer: A) Homozygous.

16. To help the two hemispheres work together a thick layer of nerve fibres called as ..... connects the hemispheres together.

Correct Answer: A) Callous body.

17. The muscle or organ that responds to the stimulus, on receiving the message from the brain or spinal cord is called .....

Correct Answer: C) Effector.

18. Central nervous system

Correct Answer: C) Includes the spine and brain.

19. What part of the brain controls hunger and thirst?

Correct Answer: A) Hypothalamus.

20. Which part of the nervous system can help calm someone down after an emergency has occurred?

Correct Answer: D) Parasympathetic division.