A two-year-old toddler who weighs 30 pounds is diagnosed with otitis media. The physician ordered the antibiotic amoxicillin 20mg/kg PO q8 h. The label reads 125 mg in 5 ml. How many millimeters will you administer?
1.75ml
10.9ml
20ml
5ml
The Correct Answer is B
Convert weight to kilograms:
30 lb ÷ 2.2 = 13.64 kg
Calculate dose in mg:
20 mg/kg × 13.64 kg = 272.8 mg per dose
Determine volume to administer:
If 125 mg = 5 mL, then:
(272.8 mg × 5 mL) ÷ 125 mg = 10.912 mL
Round to the nearest tenth:
10.912 mL ≈ 10.9 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D","E"]
Explanation
A. Stridor is a hallmark sign of upper airway obstruction and is commonly present in epiglottitis.
B. A dry, barking cough is more characteristic of croup (laryngotracheobronchitis), not epiglottitis.
C. Difficulty swallowing (dysphagia) occurs due to inflammation and swelling of the epiglottis.
D. Drooling is a key symptom because the child is unable or unwilling to swallow secretions due to pain and obstruction.
E. Hoarseness and difficulty speaking (muffled or "hot potato" voice) are common due to swelling near the vocal cords and larynx.
F. Epiglottitis typically presents with a sudden high-grade fever, not a low-grade one.
Correct Answer is A
Explanation
A. Bright red blood indicates active arterial bleeding, most likely from the femoral artery used during the cardiac catheterization. The first priority is to stop the bleeding. Direct pressure should be applied just above the puncture site to help control the bleeding and prevent further blood loss.
B. While notifying the Cath Lab may be necessary later, intervention to stop the bleeding must come first to ensure patient safety.
C. Contacting the Interventional Radiologist may eventually be required, but it is not the first action. Immediate pressure to control bleeding is more urgent.
D. Applying a bulky dressing alone without direct pressure is inadequate in managing arterial bleeding and may delay life-saving intervention.
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