ATI LPN
Quizlet Adult Medical Surgical Head Injury Monitoring Neurological Status Questions
Question 1 of 5
What concern should the nurse anticipate for a patient who had a right hemisphere stroke?
Correct Answer: C
Rationale: Right-brain strokes cause left-sided deficits and behavioral changes (denial, impulsivity). B is left-brain, A/D are less specific. [Level: Comprehension]
Question 2 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 3 of 5
Neurons communicate with each other by releasing chemical messengers known as:
Correct Answer: C
Rationale: Neurotransmitters cross synapses to transmit signals. Hormones are systemic, antibodies immune, enzymes catalytic. [Level: Knowledge]
Question 4 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 5 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]