ATI RN
Test Questions on Autonomic Nervous System Questions
Question 1 of 5
The white matter of the spinal cord
Correct Answer: A
Rationale: White matter contains ascending (sensory) and descending (motor) tracts. Cell bodies and reflex centers are in gray matter.
Question 2 of 5
Masses of gray matter deep in the cerebrum that help integrate motor commands are the
Correct Answer: C
Rationale: Basal nuclei (e.g., basal ganglia) are gray matter structures deep in the cerebrum that refine motor commands.
Question 3 of 5
Vital centers for regulating heartbeat, breathing, and blood pressure are located in the
Correct Answer: D
Rationale: The medulla oblongata houses vital centers for heart rate, respiration, and blood pressure.
Question 4 of 5
Which cranial nerve controls muscles for chewing and carries sensory input from the face?
Correct Answer: B
Rationale: The trigeminal nerve (CN V) has motor (chewing, e.g., masseter) and sensory (face) roles. Facial is expression, trochlear is eye, hypoglossal is tongue.
Question 5 of 5
Which of the following does NOT describe the autonomic nervous system?
Correct Answer: C
Rationale: The autonomic nervous system (ANS) uses two neurons (pre- and postganglionic) and a ganglion, not one. It is involuntary, serves organs, and has sympathetic/parasympathetic divisions.