ATI RN
Test Questions on Autonomic Nervous System MCAT Questions
Question 1 of 5
Cell bodies for the motor supply of the facial nerve lie
Correct Answer: D
Rationale: The facial nerve (CN VII) motor nucleus is in the pons, controlling facial expression muscles. The hypothalamus and midbrain are incorrect, and the third ventricle floor is unrelated.
Question 2 of 5
referred pain from pancreatitis is at what level?
Correct Answer: A
Rationale: Pancreatitis referred pain is at T7-T8, due to visceral innervation from the greater splanchnic nerve (T5-T9), projecting to the epigastric region.
Question 3 of 5
The trigeminal nerve
Correct Answer: C
Rationale: The trigeminal nerve (CN V) has its motor nucleus in the upper pons, with three divisions (V1, V2, V3). V3 has motor and sensory roles, and exits vary (e.g., V1 via superior orbital fissure).
Question 4 of 5
Which nerve supplies the vertex of the scalp
Correct Answer: A
Rationale: The greater occipital nerve (C2) supplies the vertex and posterior scalp.
Question 5 of 5
The cutaneous innervation of the ear
Correct Answer: D
Rationale: The ear’s cutaneous innervation includes the vagus (auricular branch) for the external auditory canal.