The nurse tells a patient that he will be performing a visual acuity test using the Snellen eye chart. The patient asks how the test is done. The nurse's best reply is:

"You stand 20 feet away from the chart while I test each of your eyes."

The number beside the largest print read is your visual acuity score!

"I will be testing your vision with your reading glasses on."

"You stand 50 feet away from the chart while I test each of your eyes."

Answer and Explanation

The Correct Answer is A

A.   The patient should stand 20 feet away from the Snellen chart to accurately measure visual acuity, which is the standard procedure.

B.   The number beside the largest print is not the correct visual acuity score; the patient must read progressively smaller lines.
C.   Testing with reading glasses is appropriate only for patients who need them for close-up vision, but the Snellen test typically measures distance vision.
D.   The distance should be 20 feet, not 50 feet, to ensure proper testing conditions.

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Correct Answer is A

Explanation

A. The newborn’s head is a major source of heat loss due to the large surface area and insufficient
insulation. Covering the head helps maintain body temperature.
B. While the head can be reshaped, the primary reason for covering it is to prevent heat loss, not reshaping.
C. The head is not necessarily wet and doesn't require drying in all cases, making this less relevant.
D. Although the head has large fontanels, this is not the reason it is covered with a cap; preventing heat loss is the priority.

A. Within the expected reference range B. Elevated blood pressure C. Hypertension stage 1 D. Hypertension stage 2

Correct Answer is B

Explanation

A. A blood pressure of 124/84 mm Hg is slightly elevated and falls into the "elevated blood pressure" category.
B. Elevated blood pressure (120-129 systolic and less than 80 diastolic) is considered a risk factor for developing hypertension.
C. Hypertension stage 1 begins at 130/80 mm Hg, not at 124/84 mm Hg.
D. Hypertension stage 2 requires a reading of 140/90 mm Hg or higher.

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The nurse tells a patient that he will be performing a visual acuity test using the Snellen eye chart. The patient asks how the test is done. The nurse's best reply is:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse covers a newborn baby's head with a cap. because the head:

Correct Answer is A

Explanation

A nurse is reinforcing teaching with a client who has a family history of hypertension. The nurse should inform the client that his blood pressure reading of 124/84 mm Hg places him in which of the following categories?

Correct Answer is B

Explanation

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