ATI LPN
Medical Surgical Neurology Questions
Question 1 of 5
In the spinal cord, where does decussation commonly occur for sensory information?
Correct Answer: A
Rationale: Sensory fibers (e.g., pain/temperature) decussate via the dorsal horn to the opposite side. [Level: Knowledge]
Question 2 of 5
Preganglionic neurons of the sympathetic nervous system release the neurotransmitter:
Correct Answer: A
Rationale: Sympathetic preganglionic neurons release acetylcholine (ACh) to postganglionic neurons. [Level: Knowledge]
Question 3 of 5
Alzheimer's disease is characterized by the accumulation of abnormal protein deposits known as:
Correct Answer: A
Rationale: Alzheimer’s features amyloid plaques (beta-amyloid) and neurofibrillary tangles (tau). [Level: Knowledge]
Question 4 of 5
A bundle of axons in the peripheral nervous system is a:
Correct Answer: B
Rationale: Nerves are axon bundles in the PNS; tracts are in the CNS. [Level: Knowledge]
Question 5 of 5
What ion is necessary to cause the release of neurotransmitters from the synaptic vesicles?
Correct Answer: B
Rationale: Calcium influx triggers vesicle exocytosis, releasing neurotransmitters. [Level: Knowledge]