Nervous System Quiz 42 (20 MCQs)

Quiz Instructions

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1. The central nervous system is made up of what parts?

Correct Answer: A) Brain and spinal cord.

2. What causes a stroke?

Correct Answer: B) Lack of blood supply and oxygen.

3. The image is upside down in the .....

Correct Answer: C) Retina.

4. The minimal stimulus needed to elicit an action potential in a neuron is called the ..... potential

Correct Answer: C) Threshold.

5. Another word for spinal cord.

Correct Answer: A) Backbone.

6. These two systems work together to allow movement.

Correct Answer: D) Muscular and skeletal.

7. The nervous system that is responsible for reasoning, attention, and logic is the

Correct Answer: A) Central nervous system.

8. What is swimmer's ear?

Correct Answer: A) An infection of the outer ear.

9. When you have control over something and decide what it does and when it does it, this would be considered .....

Correct Answer: C) Voluntary.

10. Voluntary functions that stimulates our skeletal muscles, causing them to develop tension.

Correct Answer: B) Somatic Nervous System.

11. ..... which is a muscle or other organ that produces the reflex action

Correct Answer: C) Effector.

12. Carries impulse for the sense of smell

Correct Answer: A) Olfactory.

13. Astrocytes maintain the blood-brain barrier through phagocytosis. Ependymal cells produce cerebrospinal fluid.

Correct Answer: C) First statement false, second statement true.

14. Type of tissue that contracts and shortens to create movement.

Correct Answer: C) Muscle.

15. How would the absolute refractory period be affected if voltage-gated sodium channels failed to inactivate?

Correct Answer: A) It would last indefinitely.

16. This is about how much a human brain weighs.

Correct Answer: D) 3 Pounds.

17. Which of the following is an example of active immunity?

Correct Answer: D) All of these are correct.

18. Which hemisphere is responsible for speech reading writing and logical thinking

Correct Answer: A) Left hemisphere.

19. Which Neurotransmitter stimulates skeletal muscles?

Correct Answer: D) Acetylcholine.

20. What part of the brain is important for producing speech?

Correct Answer: C) Broca's area.