1A nurse is preparing to administer cetirizine 5 mg PO. Available is cetirizine 2.5 mg/5 mL. How many ml should the nurse administer? (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 ["10"]
To give a patient cetirizine 5 mg PO, the nurse needs to measure the correct amount of liquid medicine. The medicine has a concentration of cetirizine 2.5 mg/5 mL, which means that every 5 mL of liquid contains 2.5 mg of cetirizine.
To find out how many mL of liquid are equivalent to 5 mg of cetirizine, the nurse can use a proportion:
2.5 mg / 5 mL = 5 mg / x mL
Cross-multiplying and solving for x, the nurse gets:
x = (5 mL x 5 mg) / 2.5 mg
x = 10 mL
Therefore, the nurse should administer 10 mL of liquid medicine to give the patient cetirizine 5 mg PO.
Nursing Test Bank
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 C
Explanation
A. OZ: This abbreviation stands for ounces, which is a unit of volume commonly used to measure liquids.
B. "Lb" stands for pounds, which is another imperial unit of weight, not a metric unit.
C. "Mcg" stands for microgram, which is a metric unit of weight. It is commonly used in the measurement of small amounts of medications or substances..
D. ML: This abbreviation stands for milliliters, which is a unit of volume commonly used to measure liquids. One milliliter is equivalent to one cubic centimeter.
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