ATI RN
Autonomic Nervous System NCLEX Questions Questions
Question 1 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 2 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.
Question 3 of 5
The septum of the nasal cavity is innervated by
Correct Answer: A
Rationale: The nasopalatine nerve (V2) innervates the nasal septum.
Question 4 of 5
The following muscles are supplied by posterior rami of spinal nerves EXCEPT
Correct Answer: D
Rationale: Scalene posterior is supplied by anterior rami (cervical plexus). Posterior rami supply deep back muscles like erector spinae.
Question 5 of 5
Dopamine is an important neurotransmitter. Which disease or disorder results when the neurons in the brain that produce dopamine die?
Correct Answer: C
Rationale: Parkinson disease results from the death of dopamine-producing neurons in the substantia nigra, leading to motor symptoms like tremors. MS affects myelin, ALS affects motor neurons broadly, and seizures are unrelated to dopamine loss.