ATI RN
Autonomic Nervous System NCLEX Questions Questions
Question 1 of 5
The knee jerk in response to a tap over the patellar tendon:
Correct Answer: C
Rationale: The knee jerk is a monosynaptic spinal reflex with its center in the spinal cord (L2-L4), not conditioned or polysynaptic.
Question 2 of 5
The enzyme that destroys acetylcholine is:
Correct Answer: C
Rationale: Cholinesterase (acetylcholinesterase) breaks down acetylcholine in the synaptic cleft. Epinephrine is a neurotransmitter, ‘acetylcholinase’ is not a real enzyme.
Question 3 of 5
The gray matter of the brain consists mainly of neuron cell:
Correct Answer: D
Rationale: Gray matter comprises neuron cell bodies, dendrites, and unmyelinated axons. White matter is myelinated axons.
Question 4 of 5
Clusters of neuron cell bodies found in the CNS are termed:
Correct Answer: D
Rationale: In the CNS, clusters of neuron cell bodies are called nuclei. Ganglia are PNS equivalents.
Question 5 of 5
A client had a motor vehicle accident and is presenting to the emergency department with a head injury. The client is reporting dizziness and is noted by the nurse to have an unsteady gait. Which area of the brain would the nurse consider as likely to be affected when planning further neurological assessments?
Correct Answer: D
Rationale: The cerebellum controls balance and coordination; damage causes dizziness and unsteady gait (ataxia). Diencephalon regulates homeostasis, brainstem vital functions, temporal lobe memory/hearing.