The test done to evaluate and compare the patency of the ulnar and radial arteries is:

Romberg test

Rapid alternating movement test

Tinel test

Allen test

Answer and Explanation

The Correct Answer is D

A) Romberg test: The Romberg test is used to assess a person’s balance and proprioception by asking them to stand with their eyes closed. It does not evaluate the patency of the ulnar and radial arteries.
B) Rapid alternating movement test: The rapid alternating movement test evaluates motor function and coordination by asking the patient to perform tasks like rapidly alternating hand movements. This test is not related to assessing arterial patency.
C) Tinel test: The Tinel test is used to detect nerve compression or irritation by tapping over a nerve, such as the median nerve at the wrist, to see if it elicits a tingling sensation. It does not assess the patency of the ulnar and radial arteries.
D) Allen test: The Allen test is specifically designed to evaluate the patency of the ulnar and radial arteries. It involves occluding both arteries at the wrist while the patient makes a fist and then releasing one artery to assess blood flow to the hand. This test ensures that there is adequate blood supply to the hand if one of the arteries is compromised.

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Correct Answer is B

Explanation

A) 20 represents the distance a normal eye can read and 40 represents the distance your eye read the chart: This option incorrectly reverses the interpretation of the numbers. The correct interpretation is that the first number represents the distance at which the patient is reading the chart, and the second number represents the distance at which a person with normal vision would be able to read the same line.
B) 20 represents the distance you are placed from the chart and 40 represents the distance a normal eye read the chart: This is the correct interpretation of visual acuity. In the Snellen chart system, the first number (20) represents the distance (in feet) from which the patient is viewing the chart, while the second number (40) represents the distance at which a person with normal vision (20/20) would be able to read the same line of the chart.
C) 20 represents the distance you are placed from the chart and 40 represents the distance your eye read the chart: This option is incorrect because it does not accurately describe what the numbers mean. The second number represents the distance at which normal vision can read the line, not the distance the patient’s eye read the chart.
D) 40 represents the distance you are placed from the chart and 20 represents the distance normal eye read the chart: This option incorrectly assigns the numbers. The distance of 20 feet is standard for testing vision, and 40 feet is the benchmark for normal vision. The correct understanding is that 20 is the test distance, and 40 is the comparison distance for normal vision.

A. Asymmetrical shape B. Diameter less than 6mm C. Color is uniform D. Borders well demarcated

Correct Answer is A

Explanation

A) Asymmetrical shape: One of the key "ABCD" characteristics of malignant melanoma is asymmetry. Melanomas often have an irregular shape where one half does not match the other, unlike benign moles, which are typically symmetrical. This characteristic helps in distinguishing malignant lesions from benign ones.
B) Diameter less than 6mm: Malignant melanomas are often larger than 6 mm in diameter, especially as they progress. While smaller lesions can still be malignant, a diameter less than 6 mm is not a distinguishing feature for melanoma. Typically, melanomas are identified as growing larger over time.
C) Color is uniform: Malignant melanomas usually exhibit multiple colors or uneven pigmentation rather than uniform color. Uniform color is more characteristic of benign moles. Melanomas can show a mix of colors, including shades of brown, black, and sometimes red or white.
D) Borders well demarcated: Malignant melanoma often has irregular, not well-defined borders. The edges of a melanoma are usually uneven or not clearly defined, unlike benign moles, which typically have smooth, well-demarcated borders.

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The test done to evaluate and compare the patency of the ulnar and radial arteries is:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is performing a complete physical examination on a patient. After examining the patient with the Snellen chart, the nurse documented distance vision in both eyes 20/40. The patient asks the nurse what 20/40 means:

Correct Answer is B

Explanation

A client asks a nurse to look at a raised lesion on the skin that has been present for about 5 years. Which is an "ABCD" characteristic of malignant melanoma?

Correct Answer is A

Explanation

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