A patient's vision is recorded as 20/30 when the Snellen eye chart is used. The nurse interprets these results to indicate that:

The patient can read at 20 feet what a person with normal vision can read at 30 feet.

The patient can read from 30 feet what a person with normal vision can read from 20 feet.

At 30 feet the patient can read the entire chart.

The patient can read the chart from 20 feet in the left eye and 30-feet in the right eye.

Answer and Explanation

The Correct Answer is A

A. A vision of 20/30 means that the patient can read at 20 feet what a person with normal vision can read at 30 feet, indicating mild visual impairment.

B. This reverses the explanation of 20/30 vision and is incorrect.

C. This option incorrectly describes the Snellen chart results, which measure clarity of vision at specific distances, not entire chart reading ability.

D. This option confuses visual acuity for each eye; Snellen scores do not indicate different distances for each eye.

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Correct Answer is A

Explanation

A. This emphasizes recognizing abnormal findings, such as an enlarged testicle or a painless lump, which may indicate testicular cancer.

B. Testicles are smooth, firm, and egg-shaped but should not have a lumpy consistency.

C. Monthly, not weekly, self-examinations are recommended for early detection.

D. The best time to examine is during or after a warm shower when the scrotum is relaxed, not before.

A. Decrease in tear production B. Unequal pupillary constriction in response to light C. Loss of the outer hair on the eyebrows attributable to a decrease in hair follicles D. Presence of arcus senilis observed around the cornea

Correct Answer is B

Explanation

A. Decrease in tear production: This is a common age-related change and is not considered abnormal.

B. Unequal pupillary constriction: Correct. Unequal pupillary constriction (anisocoria) is not normal and may indicate neurological issues.

C. Loss of outer eyebrow hair: This is a normal age-related change due to decreased hair follicles.

D. Arcus senilis: This is a common finding in older adults and is typically benign, caused by lipid deposits around the cornea.

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A patient's vision is recorded as 20/30 when the Snellen eye chart is used. The nurse interprets these results to indicate that:

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Naxlex Comprehensive Predictor Exams

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