ATI RN
Questions About Nervous System Questions
Question 1 of 5
Describe the structure of the spinal cord.
Correct Answer: C
Rationale: The spinal cord has gray matter (cell bodies) inside, surrounded by white matter (axons), with dorsal roots carrying sensory fibers.
Question 2 of 5
Places on the cerebral cortex where integration occurs are
Correct Answer: B
Rationale: Association areas integrate sensory and motor information for higher functions like reasoning and memory.
Question 3 of 5
Which of the following brain regions is responsible for muscle coordination and tone?
Correct Answer: B
Rationale: The cerebellum coordinates muscle movement and maintains tone and balance.
Question 4 of 5
Identify the cranial nerve that has branches to serve internal organs.
Correct Answer: C
Rationale: The vagus nerve (CN X) serves internal organs (e.g., heart, lungs, gut) with autonomic fibers. Others are motor/sensory for head/neck.
Question 5 of 5
An autonomic involuntary response to a change is a(an)
Correct Answer: D
Rationale: A reflex is an involuntary, automatic response to a stimulus, often autonomic (e.g., pupil constriction).