Nervous System Quiz 311 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Clouding of the lens of the eye that results in decreased visual acuity; caused by accumulation of protein in the lens

Correct Answer: C) Cataract.

2. The RELAXATION and CONTRACTION of involuntary muscles

Correct Answer: B) Peristalsis.

3. Fliud travels through what ear structure to control balance?

Correct Answer: A) Semicircular canals.

4. Which lobe of your brain are you using to answer this question?

Correct Answer: A) Frontal.

5. The largest sense organ is

Correct Answer: C) Skin.

6. The time during which the neuron cannot generate another action potential.

Correct Answer: A) Refractory period.

7. True or false Sodium is high on the inside?

Correct Answer: B) False.

8. The neurotransmitter most associated with rewards and motivation is:

Correct Answer: A) Dopamine.

9. A nerve cell is called a:

Correct Answer: C) Neuron.

10. Which of the following secretes histamine?

Correct Answer: D) Mast cells.

11. What is the difference between a cell and a tissue?

Correct Answer: A) Cell is basic unit of life; tissue is group of cells that work as one.

12. Which of the following statements is TRUE regarding Slow Oxidative fibers found in skeletal muscle?

Correct Answer: D) They contract slowly, but are resistant to fatigue.

13. ABI stands for.....

Correct Answer: B) Non-Traumatic Acquired Brain Injury.

14. What do we call oxygen-rich blood?

Correct Answer: A) Oxygenated blood.

15. ..... is the outermost layer on your body and is also the largest organ.

Correct Answer: B) Skin.

16. Schwann cells produce layers of membrane containing myelin, which provides insulation for the dendrites.

Correct Answer: B) False.

17. Nephr/o

Correct Answer: B) Kidney.

18. When you go to reach for a pencil and you miss the mark, you may have an impaired .....

Correct Answer: B) Cerebellum.

19. What is the purpose of the Axon?

Correct Answer: C) Generates and transmits nerve impluses.

20. Root have .....

Correct Answer: A) Positive gravitropism.