ATI RN
Nervous System Multiple Choice Questions and Answers Questions
Question 1 of 5
The spinal cord begins outside the and ends at the
Correct Answer: B
Rationale: The spinal cord begins at the foramen magnum (skull base) and ends at L1-L2 (conus medullaris), not sacrum or L4.
Question 2 of 5
The primary taste area is in the
Correct Answer: A
Rationale: The primary taste area (gustatory cortex) is in the insula, deep within the lateral sulcus, processing taste sensation.
Question 3 of 5
Identify the function of the thalamus.
Correct Answer: A
Rationale: The thalamus is primarily a sensory relay center, routing sensory input to the cortex. Temperature and endocrine functions are hypothalamic.
Question 4 of 5
Identify the cranial nerve that serves the muscles of the face for facial expression.
Correct Answer: C
Rationale: The facial nerve (CN VII) controls facial expression muscles (e.g., smiling). Trigeminal is sensory/motor (chewing), abducens and oculomotor move eyes.
Question 5 of 5
Which spinal nerve branch is NOT correctly matched with the area it serves?
Correct Answer: A
Rationale: The phrenic nerve (C3-C5) serves the diaphragm, not abdominal muscles. Radial, femoral, and sciatic are correctly matched.