The nurse is preparing an older adult client for a magnetic resonance imaging (MRI) with contrast. Which laboratory value should the nurse report to the healthcare provider before the scan is performed?

Reference Range:

Glycosylated Hemoglobin (4% to 5.9% ]

Creatinine 10.6 to 1.2 mg/dL (53 to 106 μmol/L)]

Glucose [74 to 106 mg/dL (4.1 to 5.9 mmol/L)]

Blood Urea Nitrogen [10 to 20 mg/dL (3.6 to 7.1 mmol/L)]

Fasting blood sugar of 200 mg/dl. (11.1 mmol/L).

Serum creatinine of 1.9 mg/dl. (168 μmol/l)

Glycosylated hemoglobin of 8%.

Blood urea nitrogen of 22 mg/dL (7.9 mmol/L)

Answer and Explanation

The Correct Answer is B

B. Creatinine is a waste product of muscle metabolism that is filtered by the kidneys. Elevated serum creatinine levels may indicate impaired kidney function. Since contrast agents can affect renal function, a serum creatinine level above the reference range should be reported to the healthcare provider before the MRI with contrast.

A. While elevated blood sugar levels may indicate diabetes or poor glycemic control, they are not directly related to kidney function or the risk of contrast-induced nephropathy. Therefore, this value is not the most pertinent for reporting before an MRI with contrast.
C. Glycosylated hemoglobin (HbA1c) reflects average blood glucose levels over the past two to three months and is used to assess long-term glycemic control in diabetes. While elevated HbA1c levels suggest poor diabetes management, they do not directly assess kidney function or the risk of contrast-induced nephropathy.
D. Blood urea nitrogen (BUN) levels reflect the amount of urea nitrogen in the blood and can indicate kidney function. Elevated BUN levels may suggest impaired renal function. However, an elevated serum creatinine is a more reliable marker for renal excretion.

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Correct Answer is B

Explanation

B. Occult positive emesis refers to vomiting that occurs without the client's awareness, meaning that the vomitus may not be easily visible or readily apparent. Vomiting can lead to significant fluid loss and dehydration, which is particularly concerning in a client who has undergone a biliopancreatic diversion procedure (BDP).
A. Loose bowel movements may indicate gastrointestinal disturbances or malabsorption issues commonly seen after biliopancreatic diversion procedure (BDP). BDP involves rerouting a significant portion of the small intestine, which can affect digestion and absorption of nutrients and fluids.
C. Strong foul-smelling flatus may indicate bacterial overgrowth or malabsorption issues in the gastrointestinal tract, which can occur after BDP. While foul-smelling flatus can be uncomfortable and indicative of gastrointestinal disturbances, it may not require immediate intervention.
D. Poor night vision may suggest vitamin deficiencies, particularly deficiencies in fat-soluble vitamins such as vitamin A, which can occur after BDP due to reduced absorption of nutrients. While poor night vision should be addressed to prevent long-term complications, it may not pose an immediate threat to the client's health.

A. Administer a topical analgesic per protocol. B. Cleanse the tongue and mouth with swabs. C. Obtain a soft diet for the client. D. Encourage frequent mouth care.

Correct Answer is D

Explanation

D. Frequent mouth care helps maintain oral hygiene, reduces the risk of infection, and provides comfort to the client by removing debris and soothing irritated tissues.
A. Administering a topical analgesic may provide pain relief, but it should be done in accordance with the healthcare facility's protocol and after assessing the client's oral mucosa for any contraindications or precautions.
B. Cleaning the tongue and mouth with swabs can cause further irritation to the already sore oral tissues.
C. Obtaining a soft diet for the client is appropriate for minimizing trauma to the oral mucosa, but it may not address the immediate discomfort experienced by the client.

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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