The myelin sheath around axons in the CNS is formed by ______:

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Neurological Disorders in Medical Surgical Nursing Questions

Question 1 of 5

The myelin sheath around axons in the CNS is formed by ______:

Correct Answer: C

Rationale: Oligodendrocytes myelinate CNS axons; Schwann cells do so in the PNS. [Level: Knowledge]

Question 2 of 5

The primary motor area is where commands to _____ begin:

Correct Answer: B

Rationale: The primary motor cortex controls voluntary skeletal muscle movement. [Level: Knowledge]

Question 3 of 5

Which of the following is NOT a component of the brainstem?

Correct Answer: A

Rationale: Brainstem includes midbrain, pons, medulla; diencephalon is separate. [Level: Knowledge]

Question 4 of 5

An autonomic involuntary response to a change is a(an):

Correct Answer: D

Rationale: A reflex is an involuntary response to a stimulus via the nervous system. [Level: Knowledge]

Question 5 of 5

The autonomic nervous system is part of the:

Correct Answer: B

Rationale: The ANS is a PNS subdivision, alongside the somatic system. [Level: Knowledge]

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