ATI RN
Autonomic Nervous System NCLEX Questions Questions
Question 1 of 5
The basal nuclei, part of the motor system, are involved in the initiation and control of:
Correct Answer: A
Rationale: Basal nuclei (ganglia) initiate and refine voluntary movements.
Question 2 of 5
The phrenic nerve, essential for controlling the diaphragm, is a major branch of the:
Correct Answer: A
Rationale: The phrenic nerve (C3-C5) from the cervical plexus controls the diaphragm.
Question 3 of 5
Which of the following types of cells is the most common in the CNS?
Correct Answer: A
Rationale: Astrocytes are the most abundant glial cells in the CNS, supporting neurons. 'Oligocytes' likely means oligodendrocytes, 'neurocytes' is unclear, and celiac cells are unrelated (gut).
Question 4 of 5
Which of the following is not considered a catecholamine?
Correct Answer: C
Rationale: Catecholamines (dopamine, norepinephrine, epinephrine) are derived from tyrosine. Serotonin, a monoamine, comes from tryptophan.
Question 5 of 5
Which of the following is not considered a type of synapse?
Correct Answer: D
Rationale: Dendrodendritic, axosomatic, and axoaxonic are synapse types. 'Denoaxonic' is likely a typo (perhaps 'deno-' for dendritic), not a recognized type.