Nervous System Quiz 634 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The action potential moves down the axon, away from the cell body. What happens when it reaches the axon terminal?

Correct Answer: A) Neurotransmitter is released.

2. Which is true for PET scan?

Correct Answer: C) It shows function more than anatomy.

3. It is caused by infection or damage to the brain before, during or immediately after birth.

Correct Answer: B) CEREBRAL PALSY.

4. The patient that sustained a spinal cord injury at the T10 level may have paralysis of the legs. This disorder is known as:

Correct Answer: B) Paraplegia.

5. The responsive region at the leading edge of the growing axon

Correct Answer: C) Growth cone.

6. An action potential is caused by an influx of ..... ions into the cell.

Correct Answer: D) Sodium.

7. The nervous system is responsible for .....

Correct Answer: D) All of the above.

8. A nerve cell that transmits electrical impulses.

Correct Answer: C) Neuron.

9. Every neuron has ..... for receiving and sending messages.

Correct Answer: D) A cell body.

10. The part of the nerve cell that receives a message.

Correct Answer: C) Dendrite.

11. It is an organ that interprets messages received from and sends messages to other body organs.

Correct Answer: B) Brain.

12. What dose the Cnidarian

Correct Answer: A) Neurons.

13. The division of the nervous system that includes the brain and spinal cord

Correct Answer: A) Central nervous system.

14. The ..... connects the brain to the rest of the body.

Correct Answer: B) Spinal Cord.

15. Receives impulses from neurons and send them to the cell body

Correct Answer: A) Dendrite.

16. The ..... produces tears.

Correct Answer: C) Lacrimal gland.

17. Approximately, how many muscles are in the human body?

Correct Answer: C) 650.

18. What are the glial cells that produce the myelin of the CNS neurons?

Correct Answer: C) Oligodendrocytes.

19. What nerve is purely sensory and carries impulses for vision?

Correct Answer: A) Optic.

20. Fibrous connective tissue protective coverings of the the central nervous system are called .....

Correct Answer: B) Meninges.