Nervous System Quiz 335 (20 MCQs)

Quiz Instructions

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1. Receptors for Visual Processing, Detect Black, white and gray, important in dim light

Correct Answer: A) Rods.

2. Junction between two neurons

Correct Answer: C) Conclusion.

3. The rest and digest division of the nervous system:

Correct Answer: C) Parasympathetic.

4. Which of the following best describes a neuron at a rest?

Correct Answer: C) The neuron is not conducting a nerve impulse.

5. Saltatory conduction is faster than continuous conduction because action potentials are passed from node to node.

Correct Answer: A) True.

6. These form the blood-brain barrier.

Correct Answer: B) Astrocyte.

7. Which animals can distinguish shorter periods of time than mammals?

Correct Answer: D) Birds.

8. The spinal cord connects the brain to the rest of the nervous system.

Correct Answer: A) True.

9. The part of the neuron which contains the nucleus and keeps the cell alive

Correct Answer: A) Cell body / soma.

10. What are the tiny air sacs where gas exchange occurs?

Correct Answer: A) Alveoli.

11. A temporary disturbance of the brain's ability to function due to a hard hit to the head

Correct Answer: C) Concussion.

12. Which of the following is not a type of exercise that can improve cardiovascular fitness?

Correct Answer: C) Weightlifting.

13. The vena cavae .....

Correct Answer: A) Bring deoxygenated blood from the body to the heart.

14. Which of the following is not a function of the skin?

Correct Answer: D) Supports body movement.

15. A duck swimming at birth

Correct Answer: A) Instinct.

16. In a reflex arc, the impulse skips the brain and goes from a sensory neuron, to an interneuron and then a motor neuron

Correct Answer: A) True.

17. What is the axon of the second neuron in autonomic exchange called?

Correct Answer: A) Preganglionic fibres.

18. Double vision

Correct Answer: A) Double vision.

19. Which pathway sends messages from the brain to the rest of the body?

Correct Answer: B) Motor nerve pathway.

20. Myel/o

Correct Answer: A) Spinal cord.