A patient in the outpatient clinic has provided a urine sample. To perform a urine dipstick test accurately, the nurse wets the dipstick and starts timing:

after 30 seconds.

immediately.

after 10 seconds.

after 5 seconds

Answer and Explanation

The Correct Answer is A

A. After 30 seconds. The dipstick test typically requires timing for a set period of time, usually 30 seconds, to ensure the chemical reactions on the dipstick have had enough time to develop. The nurse should refer to the test manufacturer’s instructions for the exact timing.

B. Immediately. Starting the timer immediately may not be the best practice, as most urine dipstick tests require a set amount of time to allow the chemicals to react and change color. Immediate timing may lead to inaccurate results.

C. After 10 seconds. While 10 seconds may be necessary for some tests, it is not the standard for all urine dipstick tests. The nurse must refer to the manufacturer's guidelines for the specific test being used.

D. After 5 seconds. Starting after 5 seconds is typically too short of a time to allow the dipstick test to react fully. As with other timing options, the proper duration for accurate results must be followed based on the manufacturer's instructions.

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Correct Answer is ["A","C","D"]

Explanation

A. Cardiac pacemakers: MRIs use strong magnets that can interfere with pacemaker function.

B. Allergy to iodine: Iodine is used in contrast for CT scans, not MRI, so this is not a contraindication.

C. Automatic implantable cardiac defibrillators: Similar to pacemakers, these devices can malfunction or pose risks during MRI.

D. Metal hip prosthesis: Metal can become heated or shifted due to the magnetic field, posing a risk to the patient.

E. Bleeding tendencies: While bleeding tendencies are a concern for invasive procedures, they are not a contraindication for MRI.

A. “The first drop has serous fluid that can dilute the specimen.” B. “The first drop is usually contaminated.” C. “This eliminates microorganisms from the sample.” D. “The first drop is usually too small.”

Correct Answer is A

Explanation

A. "The first drop has serous fluid that can dilute the specimen." The first drop of blood may be mixed with serous fluid or tissue fluid, which can lead to inaccurate glucose readings.

B. "The first drop is usually contaminated.": This is inaccurate; contamination is not the primary concern.

C. "This eliminates microorganisms from the sample.": Blood glucose meters are not designed to detect or be affected by microorganisms.

D. "The first drop is usually too small.": The amount of blood is not the issue; it is the potential for dilution.

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A patient in the outpatient clinic has provided a urine sample. To perform a urine dipstick test accurately, the nurse wets the dipstick and starts timing:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is aware that patients who are not candidates for magnetic resonance imaging (MRI) include patients with: (Select all that apply)

Correct Answer is ["A","C","D"]

Explanation

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Correct Answer is A

Explanation

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