The health care provider has ordered Amikin (amikacin) 500 mg, IM q8h.
Drug available:
The nurse should give___mL for each dose.
1.0
2.0
2.5
1.5
The Correct Answer is B
A) 1.0: Administering 1.0 mL of Amikin would provide only 250 mg of amikacin, as the concentration is 1 g per 4 mL (or 250 mg per mL). This dosage is insufficient for the ordered dose of 500 mg.
B) 2.0: Administering 2.0 mL of Amikin is correct. With the available concentration of 1 g per 4 mL, 2.0 mL would deliver 500 mg of amikacin (2 mL x 250 mg/mL = 500 mg), fulfilling the healthcare provider's order for the medication.
C) 2.5: Giving 2.5 mL would result in a total of 625 mg of amikacin, which exceeds the prescribed dose of 500 mg. It's critical to adhere to the prescribed dosage to prevent potential toxicity and ensure patient safety.
D) 1.5: Administering 1.5 mL would provide 375 mg of amikacin, which is still less than the required 500 mg. Accurate dosing is essential in achieving the therapeutic effect and avoiding complications.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) 1.5: Administering 1.5 tablets of allopurinol would total 150 mg, which exceeds the prescribed dose of 0.05 g (50 mg). Dosing in fractions of tablets can be confusing and is not a typical practice unless the medication is specifically scored for division.
B) 2: Giving 2 tablets would amount to 200 mg, which is significantly higher than the prescribed dose of 50 mg. It's crucial to ensure that the dosage adheres to the healthcare provider's orders to avoid potential toxicity or adverse effects.
C) 0.5: Administering 0.5 tablet (50 mg) is correct. Since the available tablet is 100 mg, cutting it in half will yield the prescribed dose of 0.05 g. This is a safe and effective way to deliver the required medication without exceeding the prescribed limit.
D) 1: One tablet of allopurinol would deliver 100 mg, which is double the prescribed dosage of 0.05 g. It's essential for the nurse to accurately calculate the medication to ensure patient safety and therapeutic effectiveness.
Correct Answer is D
Explanation
A) 2: Administering 2 mL of Compazine would provide a total dose of 10 mg (since the concentration is 5 mg/mL), which exceeds the ordered dose of 2.5 mg. This option is incorrect as it would administer too much medication.
B) 1.5: This option suggests giving 1.5 mL, which would equate to 7.5 mg (1.5 mL x 5 mg/mL). This dosage also exceeds the ordered 2.5 mg and is therefore not appropriate.
C) 1: Administering 1 mL would deliver 5 mg of Compazine. This amount is higher than the prescribed 2.5 mg and is not the correct dose.
D) 0.5: This option is correct. Administering 0.5 mL of Compazine would provide a dose of 2.5 mg (0.5 mL x 5 mg/mL). This matches the ordered dosage perfectly, ensuring that the patient receives the correct amount of medication.
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