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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Stopping routine asthma medications may actually increase the risk of complications, including exacerbation of asthma and potential harm to the baby.
B) Stopping all routine medications is not recommended without consulting a healthcare provider.
C) Many asthma medications are considered safe during pregnancy, and managing asthma is important for both maternal and fetal health.
D) There is a need for concern, and it is essential for pregnant women with asthma to work with their healthcare providers to manage their condition appropriately.
Correct Answer is ["C","D","E"]
Explanation
a) This is false because oral medications can be given to infants if they are in liquid form, have a suitable dose, and are administered with a dropper or syringe. However, oral medications should be given with caution and only when prescribed by a doctor.
b) This is false because lipid-soluble drugs are not easily passed into breast milk and do not affect breastfeeding infants. However, some drugs can be harmful to breastfeeding infants and should be avoided or used with caution by nursing mothers.
c) Immaturity of renal function in infancy affects drug excretion, potentially leading to prolonged drug effects and increased risk of toxicity.
d) Infants are more sensitive to medications that act on the central nervous system, and dose adjustments may be needed to prevent adverse effects.
e) Immature liver function in infants can slow down drug metabolism and elimination, leading to a higher risk of drug accumulation and toxicity.
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