The physician orders Methergine 0.3 mg by mouth twice a day for postpartum bleeding. The medication is supplied in 0.2-mg tablets. How many tablets will the nurse administer per dose? Round to the nearest tenth.
1 tablet
1.5 tablets
2 tablets
2.5 tablets
The Correct Answer is B
Choice A reason: 1 tablet provides 0.2 mg, less than the ordered 0.3 mg. This underdoses the patient, failing to control postpartum bleeding effectively, making 1 tablet incorrect for the prescribed dose.
Choice B reason: Methergine 0.3 mg divided by 0.2 mg/tablet equals 1.5 tablets (0.3 ÷ 0.2 = 1.5). This delivers the exact dose, and 1.5 is already rounded to the nearest tenth, making it correct.
Choice C reason: 2 tablets provide 0.4 mg, exceeding the 0.3 mg order. This overdose risks side effects like hypertension, making 2 tablets incorrect for the prescribed dosage.
Choice D reason: 2.5 tablets deliver 0.5 mg, significantly exceeding the 0.3 mg order. This overdose increases adverse effects, making 2.5 tablets incorrect for the correct dosage administration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Assessing the patient’s cultural beliefs and practices first ensures care aligns with their values, promoting trust and effectiveness. This patient-centered approach guides subsequent actions, making it the priority step for cultural competence.
Choice B reason: Completing cultural competence training enhances knowledge but is a preparatory step, not the first action with a patient. Direct assessment of the patient’s beliefs ensures immediate relevance, making training secondary.
Choice C reason: Consulting a cultural liaison or interpreter is useful but follows assessment of the patient’s needs. Understanding specific beliefs first ensures targeted communication, making consultation a subsequent step in care delivery.
Choice D reason: Reviewing medical history may provide cultural clues but is less direct than assessing the patient’s current beliefs. Patient-reported cultural practices are more accurate, making history review a secondary action.
Correct Answer is B
Explanation
Choice A reason: Inhaling quickly reduces medication deposition in the lungs. A slow, deep inhalation ensures proper delivery, making this incorrect for effective albuterol inhaler use.
Choice B reason: Rinsing the mouth after inhalation removes residue, preventing irritation or thrush, though less common with albuterol. This is a standard instruction, making it the correct choice.
Choice C reason: Two puffs every 2 minutes exceeds typical albuterol dosing (1–2 puffs every 4–6 hours). This risks overuse, causing side effects, making it incorrect.
Choice D reason: Holding the mouthpiece 6 inches away is incorrect; it should be 1–2 inches or in a spacer. This ensures proper aerosol delivery, making this incorrect.
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