ATI LPN
Neurological Assessment NCLEX Questions Questions
Question 1 of 5
The part of the neuron that receives signals from other neurons is called the:
Correct Answer: B
Rationale: Dendrites receive signals and relay them to the soma. Axons send, soma integrates, myelin insulates. [Level: Knowledge]
Question 2 of 5
The initial stimulus for an action potential causes a brief influx of:
Correct Answer: A
Rationale: Sodium (Na+) influx depolarizes the membrane, triggering an action potential. [Level: Knowledge]
Question 3 of 5
What is the role of calcium ions in the process of neurotransmitter release?
Correct Answer: B
Rationale: Ca2+ influx triggers vesicle exocytosis, releasing neurotransmitters. [Level: Knowledge]
Question 4 of 5
Motor nerves that carry signals from the central nervous system to muscles or glands are termed:
Correct Answer: B
Rationale: Efferent nerves transmit motor signals from CNS to effectors. [Level: Knowledge]
Question 5 of 5
Satellite cells in the peripheral nervous system are associated with:
Correct Answer: D
Rationale: Satellite cells surround ganglia and sensory neuron cell bodies in the PNS, providing support. [Level: Knowledge]