ATI LPN
Neurological Disorders in Medical Surgical Nursing Questions
Question 1 of 5
During the acute stage of a stroke, which intervention would be included in the plan of care for a patient experiencing aphasia?
Correct Answer: A
Rationale: Yes/no questions facilitate communication in aphasia. B/C hinder, D is supportive but less primary. [Level: Application]
Question 2 of 5
The myelin sheath produced by Schwann cells serves to:
Correct Answer: D
Rationale: Myelin speeds conduction via insulation and saltatory conduction. It doesn’t transmit directly. [Level: Knowledge]
Question 3 of 5
The undershoot or after-hyperpolarization phase of an action potential is mainly due to:
Correct Answer: B
Rationale: Excess K+ efflux causes temporary hyperpolarization below resting potential. [Level: Knowledge]
Question 4 of 5
In which type of synapse is communication between neurons mediated by neurotransmitters?
Correct Answer: A
Rationale: Chemical synapses use neurotransmitters across a cleft, unlike electrical synapses. [Level: Knowledge]
Question 5 of 5
Which neuroglial cells are responsible for forming the blood-brain barrier and regulating ion concentrations in the extracellular fluid of the brain?
Correct Answer: C
Rationale: Astrocytes form the blood-brain barrier and regulate ions in the CNS. [Level: Knowledge]