ATI RN
Autonomic Nervous System NCLEX Questions Questions
Question 1 of 5
The brain stem does NOT include the:
Correct Answer: A
Rationale: The brainstem includes the midbrain, pons, and medulla oblongata. The diencephalon (thalamus, hypothalamus) is part of the forebrain, not the brainstem.
Question 2 of 5
With regard to dermatomal nerve supply:
Correct Answer: A
Rationale: C7 supplies the index finger dermatome. The axial line separates C5/C6 (anterior/posterior), T4 is at the nipple, and T10 supplies the umbilicus.
Question 3 of 5
with regard to the cutaneous innervation of the thorax and abdomen
Correct Answer: C
Rationale: The thorax/abdomen is innervated segmentally by anterior rami of T1-L1. Above the 2nd rib is C2-C4 (supraclavicular nerves), deficits require multiple segments due to overlap, and T10 supplies the umbilicus.
Question 4 of 5
Which of the following is not a branch of the trigeminal nerve?
Correct Answer: B
Rationale: The great auricular nerve (C2-C3, cervical plexus) supplies the ear, not CN V. Supraorbital (V1), mental (V3), and lacrimal (V1) are trigeminal branches.
Question 5 of 5
cerebrospinal fluid communicates with the subarachnoid space via the
Correct Answer: A
Rationale: CSF flows from the 4th ventricle (via foramina of Luschka/Magendie) into the subarachnoid space.