ATI RN
ATI Pediatrics Unit 2 Exam Questions
Extract:
A nurse is preparing to administer amoxicillin 320 mg PO every 12 hr to an infant. The amount available is amoxicillin suspension 400 mg/5 mL.
Question 1 of 5
A nurse is preparing to administer amoxicillin 320 mg PO every 12 hr to an infant. The amount available is amoxicillin suspension 400 mg/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: A
Rationale:
To calculate the mL per dose, we use the formula: Desired dose / Stock dose = mL to administer. In this case, Desired dose is 320 mg, Stock dose is 400 mg/5 mL. So, 320 mg / 400 mg = 0.8.
Then, 0.8 * 5 mL = 4 mL.
Therefore, the correct answer is A: 4 mL.
Choice B and others are incorrect because they do not follow the correct calculation based on the given information.
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