ATI RN
Autonomic Nervous System NCLEX Questions Questions
Question 1 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 2 of 5
The septum of the nasal cavity is innervated by
Correct Answer: A
Rationale: The nasopalatine nerve (V2) innervates the nasal septum.
Question 3 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 4 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.
Question 5 of 5
One of the 31 pairs of nerves that originate on the spinal cord from posterior and anterior roots.
Correct Answer: B
Rationale: Spinal nerves are 31 pairs formed by anterior (motor) and posterior (sensory) roots exiting the spinal cord. Action potentials are signals, Guillain-Barré is a disorder, and nervous system is too broad.