A nurse is preparing to administer quinapril 20 mg PO Available is quinapril 40 mg tablets. How many tablets should the answer to the nearest tenth Use a leading zero if it applies. Do not use a trailing zero)
The Correct Answer is ["0.5"]
To calculate the dosage of quinapril, the nurse needs to apply the formula: D/H x Q = X, where D is the desired dose, H is the dose on hand, Q is the quantity of the drug, and X is the amount to administer.
In this case, D = 20 mg, H = 40 mg, Q = 1 tablet, and X is unknown.
Plugging in the values, we get: 20/40 x 1 = X.
Simplifying, we get: 0.5 = X.
Therefore, the nurse should administer 0.5 tablets of quinapril.
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Related Questions
Correct Answer is ["7"]
Explanation
To calculate the correct dosage of levothyroxine, the nurse should follow these steps:
- Convert the patient's weight from pounds to kilograms: 220 lb ÷ 2.20462 lb/kg = 99.79 kg
- Calculate the total dose of levothyroxine: 5 mcg/kg × 99.79 kg = 498.95 mcg
- Determine the number of tablets to administer: 498.95 mcg ÷ 75 mcg/tablet = 6.65 tablets
Therefore, the nurse should administer 7 tablets of levothyroxine.
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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