A nurse is preparing to reconstitute amoxicillin powder. According to the medication label, how many mL of oral suspension should the nurse expect the bottle to contain following reconstitution? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["75"]
The medication label for amoxicillin powder provides the instructions for reconstituting the oral suspension. The nurse should follow these steps:
- Tap the bottle until all the powder is loose.
- Add about 17 mL of water to the bottle (one-third of the total amount of 51 mL).
- Shake the bottle well to mix the powder and water.
- Add the remaining 34 mL of water to the bottle and shake again.
- Check that the final volume of the oral suspension is 75 mL.
The nurse should expect the bottle to contain 75 mL of oral suspension after reconstitution.
This is because each 5 mL of oral suspension contains 400 mg of amoxicillin, and the net contents of the powder are equivalent to 6 grams (6000 mg) of amoxicillin.
Therefore, 6000 mg / 400 mg = 15, which means that 15 doses of 5 mL each are needed to use up all the powder. Multiplying 15 by 5 mL gives 75 mL, which is the final volume of the oral suspension.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.9"]
Explanation
To calculate the dosage of isoniazid injection, the nurse should use the formula D/H x Q, where D is the desired dose, H is the dose on hand, and Q is the quantity.
In this case, D is 187 mg, H is 100 mg/mL, and Q is 1 mL.
Plugging these values into the formula, we get:
187 mg / 100 mg/mL x 1 mL = 1.87 mL
To round the answer to the nearest tenth, the final answer is: 1.9 mL
The nurse should administer 1.9 mL of isoniazid injection to the patient.
Correct Answer is ["3"]
Explanation
To calculate the number of tablets that the nurse should administer per dose, the nurse needs to convert the prescribed dose of calcium carbonate from grams to milligrams and then divide it by the strength of the available tablets. The formula is:
Prescribed dose (mg) / Tablet strength (mg) = Number of tablets
The prescribed dose of calcium carbonate is 3.9 g PO daily in equally divided doses every 12 hr.
To convert grams to milligrams, multiply by 1000.
Therefore, 3.9 g = 3900 mg.
Since the doses are equally divided every 12 hr, the nurse needs to divide the daily dose by 2 to get the dose per 12 hr. Therefore, 3900 mg / 2 = 1950 mg.
The available tablets have a strength of 650 mg each.
To find the number of tablets per dose, divide the dose per 12 hr by the tablet strength.
Therefore, 1950 mg / 650 mg = 3 tablets.
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