A patient asks why the blood glucose meter directions state to wipe away the first drop of blood. The most informative response by the nurse would be:

“The first drop has serous fluid that can dilute the specimen.”

“The first drop is usually contaminated.”

“This eliminates microorganisms from the sample.”

“The first drop is usually too small.”

Answer and Explanation

The Correct Answer is A

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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Correct Answer is A

Explanation

A. Douching: Douching can remove or alter cervical cells, potentially leading to inaccurate test results.

B. Sexual intercourse: This should also be avoided but isn’t the best single answer.

C. Taking a bubble bath: This does not directly impact the cervix or test accuracy.

D. Eating shellfish: Diet is irrelevant to Pap smear preparation.

A. Pass a small amount of urine into the toilet and then collect the specimen. B. Void until the bladder is almost empty and then collect the end portion of the voiding in the cup. C. Let a few drops of urine dribble into the specimen cup. D. Begin voiding into the specimen cup.

Correct Answer is A

Explanation

A. Pass a small amount of urine into the toilet and then collect the specimen. This technique ensures that bacteria or debris from the urethra are flushed out before the sample is collected, providing a clean-catch specimen for analysis.

B. Void until the bladder is almost empty and then collect the end portion: This would result in a less accurate sample, as bacteria or debris might accumulate.

C. Let a few drops of urine dribble into the specimen cup: This does not provide enough urine for analysis.

D. Begin voiding into the specimen cup: This may contaminate the sample with bacteria from the external genitalia.

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A patient asks why the blood glucose meter directions state to wipe away the first drop of blood. The most informative response by the nurse would be:

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A patient asks why the blood glucose meter directions state to wipe away the first drop of blood. The most informative response by the nurse would be: