ATI LPN
NCLEX Neurology Practice Questions Questions
Question 1 of 5
Achromatopsia is a partial or complete loss of color vision, despite cones being intact. A lesion in which part of the brain might result in this deficit?
Correct Answer: A
Rationale: V4 is critical for color processing; a lesion here causes achromatopsia despite functional cones.
Question 2 of 5
Admission vital signs for a brain-injured client are BP 128/68 mm Hg, pulse 110 BPM, respirations 25. Which set of vital signs, if taken 1 hour after admission, will be of most concern to the nurse?
Correct Answer: A
Rationale: Cushing’s triad (hypertension, bradycardia, low RR) in A suggests rising ICP, a critical concern.
Question 3 of 5
A client with acute ischemic stroke is ordered alteplase, weighs 224.4 lbs. How many mg will the nurse prepare?
Correct Answer: B
Rationale: 0.9 mg/kg, max 90 mg (text note). 224.4 lbs = 101.8 kg, 91.8 mg exceeds max, so 90 mg (B).
Question 4 of 5
The nurse prepares to give mannitol for a severe head injury. What precaution is taken?
Correct Answer: B
Rationale: Mannitol requires a filtered needle (B) to remove crystals (text note).
Question 5 of 5
A nurse teaches a client with unilateral neglect post-ischemic stroke. What action helps?
Correct Answer: C
Rationale: Turning head (C) compensates for neglect by scanning affected side.