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.)
The Correct Answer is ["4"]
To determine the correct dosage, the nurse should use the formula: (desired dose / amount on hand) x volume = amount to administer. In this case, it would be (320 mg / 400 mg) x 5 mL. This simplifies to 0.8 x 5 mL, which equals 4 mL.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. This is a common manifestation of hydrocephalus in newborns. The increased cerebrospinal fluid (CSF) in the ventricles causes the skull to expand, which can lead to prominent and dilated scalp veins due to increased intracranial pressure.
B. Over-riding suture lines are more commonly associated with conditions like craniosynostosis or during the early stages of labor when the skull bones overlap. In hydrocephalus, the sutures are more likely to be separated rather than overridden due to the expansion of the skull.
C. This is not a typical manifestation of hydrocephalus. Instead, you would expect a more pronounced or bulging forehead due to increased intracranial pressure.
D. Hypertension is not typically a manifestation of hydrocephalus in newborns. Instead, the condition is more associated with signs of increased intracranial pressure and changes in head size.
Correct Answer is A
Explanation
A. Racemic epinephrine nebulizer therapy is effective in reducing airway inflammation and aiding bronchodilation in croup.
B. While oral fluids are important for overall hydration, they do not directly address the bronchodilation needed for croup.
C. Long, slow breaths can be helpful but are not as directly effective as nebulized medications in managing croup symptoms.
D. Oral analgesics address pain but do not contribute to bronchodilation.
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