A nurse is caring for a patient diagnosed with cataracts.
What cue is consistent with cloudiness in the lens during the inspection of the eyes?
Redness in the sclera.
Pupil constriction.
Cloudiness in the lens.
Blurred vision.
The Correct Answer is C
Choice A rationale
Redness in the sclera may indicate inflammation or infection but is not indicative of cataracts, which involve the lens of the eye.
Choice B rationale
Pupil constriction is not directly related to cataracts. Cataracts affect the lens clarity rather than pupil response.
Choice C rationale
Cloudiness in the lens is a hallmark sign of cataracts, which occur due to the lens becoming opaque, thereby obstructing light passage and impairing vision.
Choice D rationale
Blurred vision can result from various eye conditions, not specifically cataracts, which are characterized by lens cloudiness.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Myopia, or nearsightedness, is when distant objects appear blurry because light rays focus in front of the retina. A Snellen exam result of 20/50 means the client can see at 20 feet what someone with normal vision sees at 50 feet, indicating reduced distance vision. However, this condition does not correlate with the ability to read the Rosenbaum chart, which is for near vision, thus excluding myopia.
Choice B rationale
Normal vision is not indicated by a Snellen exam result of 20/50, as this signifies a visual impairment where the client sees at 20 feet what a person with normal vision sees at 50 feet. Normal vision would be indicated by 20/20 on the Snellen exam.
Choice C rationale
Presbyopia is the age-related loss of the eye's ability to focus on near objects, typically noticeable in people over 40. Although this condition involves difficulty reading at close range, the client's uncorrected Snellen exam result of 20/50 pertains to distance vision, which differentiates presbyopia from the given scenario.
Choice D rationale
Hyperopia, or farsightedness, is when close objects appear blurry because light rays focus behind the retina. The client's ability to read the Rosenbaum chart without difficulty indicates good near vision, while the Snellen exam result of 20/50 reflects reduced distance vision, thus supporting the diagnosis of hyperopia.
Correct Answer is A
Explanation
Choice A rationale
Flatness is the percussion sound typically heard over muscles and solid tissues. It is characterized by a high-pitched, soft sound, which indicates that the underlying tissue is denser and less air-filled compared to lungs.
Choice B rationale
Dullness is heard over solid organs such as the liver or spleen but not typically over muscles.
Choice C rationale
Tympany is a drum-like sound heard over areas filled with gas, such as the stomach or intestines.
Choice D rationale
Resonance is heard over air-filled lungs and not over muscles and solid tissues.
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