ATI RN
Test Questions on Autonomic Nervous System Questions
Question 1 of 5
The protective membranes that enclose the brain and spinal cord are called:
Correct Answer: C
Rationale: Meninges (dura, arachnoid, pia mater) are protective membranes around the brain and spinal cord. CSF cushions, choroid plexus produces CSF, and tracts are axon bundles.
Question 2 of 5
The primary motor area of the cerebrum is located in the lobe.
Correct Answer: A
Rationale: The primary motor area (precentral gyrus) in the frontal lobe controls voluntary skeletal muscle movement.
Question 3 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 4 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 5 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.