When assessing the pupillary light reflex or PERRL (pupils, round, reactive to light), the nurse should use which technique?
Shine a light across the pupil from the side, and observe for direct and consensual pupillary constriction.
Ask the patient to follow the penlight in eight directions, and observe for bilateral pupil constriction.
Shine a penlight from directly in front of the patient, and inspect for pupillary constriction.
Ask the patient to focus on a distant object. Then ask the patient to follow the penlight to approximately 7 cm from the nose.
The Correct Answer is A
A. Shine a light across the pupil from the side: To assess the pupillary light reflex, the nurse should shine a light across the pupil from the side and observe for both direct and consensual constriction (the constriction of both pupils when one is exposed to light).
B. Follow the penlight: This tests for accommodation (focusing on near objects) rather than the pupillary light reflex.
C. Shine a penlight directly in front: This method doesn’t assess both direct and consensual constriction properly.
D. Focus on a distant object: This assesses accommodation, not the pupillary light reflex.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Six: The abdomen is typically not divided into six sections.
B. Four: Most healthcare providers divide the abdomen into four quadrants: right upper, left upper, right lower, and left lower.
C. Eight: Eight sections are not commonly used for abdominal assessment.
D. Nine: Nine sections are used in more detailed assessments but are less common than the four-quadrant approach.
Correct Answer is B
Explanation
A. Ptosis: Drooping of the upper eyelid, often caused by nerve or muscle dysfunction.
B. Ectropion: This condition results from age-related weakening of eyelid muscles or facial nerve palsy, causing the lower eyelid to turn outward, exposing the conjunctiva.
C. Exophthalmos: Protrusion of the eyeball, commonly seen in conditions like Graves' disease.
D. Entropion: Inward rolling of the eyelid, leading to eyelashes rubbing against the eye.
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