The diabetic client is scheduled for a computed tomography (CT) scan with intravenous contrast. What education will the nurse provide? (Select all that apply.)

Hold metformin 24 hours to 48 hours before the CT.

Hold metformin 48 hours after the CT.

Double the metformin dose after the CT.

Take metformin as scheduled the day of the CT.

Resume metformin at half dose after the CT.

Answer and Explanation

Correct Answer : A,B

A) Hold metformin 24 hours to 48 hours before the CT. This is correct because it reduces the chance of metformin accumulating in the blood and causing lactic acidosis when combined with the contrast dye.

B) Hold metformin 48 hours after the CT. This is also correct because it allows time for the contrast dye to be eliminated from the body before resuming metformin.

C) Double the metformin dose after the CT. This is incorrect and dangerous because it can cause hypoglycemia, low blood sugar, which can lead to confusion, seizures, coma, or death. D) Take metformin as scheduled the day of the CT. This is incorrect and risky because it can result in high levels of metformin in the blood when mixed with the contrast dye, increasing the likelihood of lactic acidosis.

E) Resume metformin at half dose after the CT. This is incorrect and unnecessary because there is no evidence that reducing the dose of metformin after a CT scan with contrast dye has any benefit or reduces any harm.

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Correct Answer is C

Explanation

A) This is not the correct duration for insulin glargine. Insulin glargine has a much longer duration.

B) The duration of 2 to 4 hours is too short for insulin glargine.

C) Insulin glargine is a long-acting insulin with a duration of 18 to 24 hours.

D) The duration of 6 to 14 hours is too short for insulin glargine.

A. "My warfarin dose may need to be readjusted when I take a course of antibiotics." B. "I should expect pink urine due to metabolic bi-products of the dye used in this medication." C. "I should eat spinach to increase my iron count if my INR goes below two." D. "Herbal remedies are fine, but I shouldn't take aspirin without consulting my provider."

Correct Answer is A

Explanation

A) Antibiotics can interact with warfarin, potentially affecting the INR, so dose adjustments may be necessary.

B) Pink urine is not an expected side effect of warfarin; this statement is inaccurate.

C) Eating spinach to increase iron count is not a relevant action related to warfarin or INR levels.

D) Warfarin interacts with many substances, including herbal remedies and aspirin. Notifying the provider before taking new medications or supplements is crucial for proper management.

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The diabetic client is scheduled for a computed tomography (CT) scan with intravenous contrast. What education will the nurse provide? (Select all that apply.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is A

Explanation

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