A nurse is preparing to administer metronidazole 7.5 mg/kg PO to a client who weighs 146.7 lb. Available is metronidazole 500 mg tablets. How many tablets 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 ["1"]
The first step is to convert the client's weight from pounds (lb) to kilograms (kg).
146.7 lb ÷ 2.2 lb/kg = 66.68 kg
Next, the nurse should calculate the total dose of metronidazole the client needs.
7.5 mg/kg x 66.68 kg = 500.1 mg
Since the available tablets are 500 mg each, the nurse should administer:
500.1 mg ÷ 500 mg/tablet = 1 tablet (rounded to the nearest whole number)
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Related Questions
Correct Answer is ["0.5"]
Explanation
To calculate the required teaspoons (tsp) of amoxicillin suspension per dose, we need to use the following
formula:
tsp = (dose in mg) ÷ (concentration in mg/mL) ÷ 5 mL per tsp Substituting the given values in the formula, we get:
tsp = (100 mg) ÷ (200 mg/5 mL) ÷ 5 mL per tsp
tsp = 0.5 tsp
Correct Answer is ["2.5"]
Explanation
To determine how many mL of valproic acid syrup the nurse should administer, we need to use a ratio and proportion:
250 mg : 5 mL = 125 mg : x mL Cross-multiplying, we get:
250 mg x x mL = 5 mL x 125 mg Simplifying, we get:
x = (5 mL x 125 mg) / 250 mg x = 2.5 mL
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