ATI LPN
Quizlet Adult Medical Surgical Head Injury Monitoring Neurological Status Questions
Question 1 of 5
Which expected outcome would be included in the plan of care for a patient who had a stroke and is experiencing residual expressive aphasia?
Correct Answer: C
Rationale: Expressive aphasia requires alternative communication (e.g., gestures); C is realistic. A is impaired, D premature. [Level: Application]
Question 2 of 5
In the peripheral nervous system, Schwann cells wrap around the:
Correct Answer: C
Rationale: Schwann cells wrap axons, leaving nodes of Ranvier exposed for signal regeneration. [Level: Knowledge]
Question 3 of 5
The refractory period following an action potential is important for:
Correct Answer: C
Rationale: The refractory period ensures unidirectional signal travel by preventing immediate re-firing. [Level: Comprehension]
Question 4 of 5
Which synapse is commonly found in the central nervous system and allows for bidirectional communication between neurons?
Correct Answer: B
Rationale: Electrical synapses, common in CNS, allow bidirectional ion flow via gap junctions. [Level: Knowledge]
Question 5 of 5
Microglia are neuroglial cells that function as:
Correct Answer: B
Rationale: Microglia act as phagocytes, clearing debris and pathogens in the CNS. [Level: Knowledge]