A nurse is concerned about a liver disorder in a patient. What laboratory test would be appropriate to obtain for a patient with a liver disorder?

Bilirubin

Blood urea nitrogen (BUN)

Creatinine

Creatinine kinase (CK)

Answer and Explanation

The Correct Answer is A

A. Bilirubin: Elevated bilirubin levels are a primary indicator of liver dysfunction, as the liver processes and clears bilirubin.

B. Blood urea nitrogen (BUN): BUN assesses kidney function, not liver function.

C. Creatinine: Creatinine is a measure of kidney health.

D. Creatinine kinase (CK): CK levels indicate muscle or heart damage, not liver function.

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Correct Answer is D

Explanation

A. "You will not be able to talk to the technician during the procedure.": Most MRIs allow communication via intercom.

B. "Your exposure to radiation will be minimal.": MRI does not use ionizing radiation, unlike CT scans or X-rays.

C. "Unlike an x-ray, the MRI allows you to move around a bit.": Movement during MRI imaging can result in blurred images.

D. "You'll have to remove metal objects such as watches and body jewelry." MRI uses strong magnetic fields, so all metal objects must be removed to avoid injury or interference with imaging.

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 nurse is concerned about a liver disorder in a patient. What laboratory test would be appropriate to obtain for a patient with a liver disorder?

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Naxlex Comprehensive Predictor Exams

A nurse is preparing a client for magnetic resonance imaging (MRI). Which of the following statements should the nurse include when reinforcing teaching?

Correct Answer is D

Explanation

The nurse instructing in the collection of a midstream urine catch would tell the patient to first cleanse the external genitalia and then to:

Correct Answer is A

Explanation

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