A patient is in preterm labor at 30 weeks gestation.
Her OB orders antenatal steroids.
The order is for the nurse to administer betamethasone IM and to repeat the dose after 2 hours.
Betamethasone is available as 4mg/mL in 10 mL vials.
How many mL will the nurse draw up in the syringe for each dose?
0.5 mL
1 mL
1.5 mL
3 mL
The Correct Answer is D
Step 1 is to calculate the volume of betamethasone to be drawn up for each dose. The order is to administer betamethasone IM and to repeat the dose after 2 hours. Betamethasone is available as 4mg/mL. Therefore, to administer a dose of 12mg, the nurse would need to draw up 12mg ÷ 4mg/mL = 3mL for each dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Hypomagnesemia, or low magnesium levels, is not typically a primary concern for newborns of mothers with diabetes mellitus. While it can occur, it is not the priority focus of care.
Choice B rationale
Hyperbilirubinemia, or high bilirubin levels, can lead to jaundice in newborns. However, it is not the primary concern in newborns of mothers with diabetes mellitus. These newborns are more at risk for hypoglycemia.
Choice C rationale
Hypocalcemia, or low calcium levels, can occur in newborns, but it is not the primary concern in newborns of mothers with diabetes mellitus. These newborns are more at risk for hypoglycemia.
Correct Answer is B
Explanation
Choice A rationale
Repaglinide is an oral medication used to control blood sugar levels in adults with type 2 diabetes. It is not typically used in pregnant women, especially those unable to control their gestational diabetes with diet and exercise.
Choice B rationale
Insulin is the most common medication used to control blood sugar levels in pregnant women, especially those unable to control their gestational diabetes with diet and exercise.
Choice C rationale
Glipizide is an oral medication used to control blood sugar levels in adults with type 2 diabetes. It is not typically used in pregnant women, especially those unable to control their gestational diabetes with diet and exercise.
Choice D rationale
Acarbose is an oral medication used to control blood sugar levels in adults with type 2
diabetes. It is not typically used in pregnant women, especially those unable to control their gestational diabetes with diet and exercise.
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