Nervous System Quiz 845 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Pigmented part of the eye

Correct Answer: D) Iris.

2. Between neurones, there is a junction / gap called the

Correct Answer: B) Conclusion.

3. The interventricular foramen connects the .....

Correct Answer: C) Lateral to third ventricle.

4. Parasympathetic division is referred to as this term because its nerve fibers exit the CNS near the head and hips:

Correct Answer: C) Craniosacral.

5. Which glial cells serve as the major supporting cells in the CNS?

Correct Answer: A) Astrocytes.

6. Line the fluid-filled cavities within the CNS. Some produce cerebrospinal fluid, and other help move it through the CNS

Correct Answer: B) Ependymal cells.

7. Neurotransmitters are released into a synapse and bind to

Correct Answer: D) Receptors on the postsynaptic terminal.

8. If a neuron has many dendrites and a single axon, it is called a(n) ..... neuron.

Correct Answer: C) Multipolar.

9. Which part of your ear contains earwax?

Correct Answer: A) Outer ear.

10. Cell body has one process (fused axon and dendrite) ..... most sensory neurons are unipolar ..... is what structural classification

Correct Answer: C) Unipolar/Pseudounipolar neuron.

11. The middle layer, known as the spider mother

Correct Answer: C) Arachnoid mater.

12. Triggering of the muscle action potential occurs after

Correct Answer: B) *acetylcholine binds to chemically gated channels in the motor end plate membrane.

13. Tough connective tissue sheath that surrounds the entire muscle.

Correct Answer: B) Epimysium.

14. Neurotransmitters move from an axon to a dendrite across what?

Correct Answer: A) Conclusion.

15. Motor division of the PNS has ..... main parts

Correct Answer: B) 2.

16. Eye lens is

Correct Answer: D) Biconvex.

17. The middle ear cavity connects to the nasopharynx:

Correct Answer: B) Eustachian tube.

18. The command center, or coordinator, for the nervous system.

Correct Answer: B) Brain.

19. Fine motor movement, balance posture and muscle memory is mostly controlled by

Correct Answer: A) Cerebellum.

20. Flight-fight response is controlled by what division?

Correct Answer: B) Sympathetic.