A nurse is preparing to administer amoxicillin 30 mg/kg/day divided doses every 12 hr to a toddler who weighs 33 lb. Available is amoxicillin 200 mg/5 mL suspension. How many mL should the nurse administer every 12 hr? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
5 mL
5.6 mL
0.5 mL
6 mL
The Correct Answer is B
Given:
Ordered dose of amoxicillin: 30 mg/kg/day divided every 12 hours
Toddler's weight: 33 lbs
Concentration of amoxicillin suspension: 200 mg/5 mL
Step 1: Convert the toddler's weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Weight in kg = 33 lbs x 0.453592 kg/lb = 14.968 kg
Step 2: Calculate the total daily dose of amoxicillin:
Total daily dose (mg) = Ordered dose (mg/kg/day) x Weight (kg)
Total daily dose (mg) = 30 mg/kg/day x 14.968 kg
Total daily dose (mg) = 449.04 mg/day
Step 3: Calculate the dose per administration:
Since the medication is given every 12 hours, there are 2 administrations per day.
Dose per administration (mg) = Total daily dose (mg) / Number of administrations per day
Dose per administration (mg) = 449.04 mg/day / 2 administrations/day
Dose per administration (mg) = 224.52 mg
Step 4: Calculate the volume to be administered:
Volume (mL) = Dose per administration (mg) / Concentration (mg/mL)
Volume (mL) = 224.52 mg / (200 mg/5 mL)
Volume (mL) = 224.52 mg x (5 mL / 200 mg)
Volume (mL) = 5.613 mL
Step 5: Round to the nearest tenth:
Volume (mL) ≈ 5.6 mL
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","D","E","F"]
Explanation
A) Social Media:
Social media is not a reliable source for evaluating medication information. Although patients may share their experiences, the information on social media can be anecdotal, unverified, and often lacks scientific evidence. Medical professionals should avoid using social media as a reference for clinical decision-making and instead rely on trusted, evidence-based resources.
B) Wikipedia:
While Wikipedia may offer general overviews of various medications, it is a crowdsourced platform and not a peer-reviewed or professional resource. The information on Wikipedia can be edited by anyone, which raises concerns about accuracy and reliability. While useful for a quick overview, it is not recommended for in-depth medication information or clinical decision-making.
C) Physicians' Desk Reference (PDR):
The Physicians' Desk Reference (PDR) is a well-established, reliable resource for medication information. It includes detailed drug monographs, including indications, dosing, contraindications, adverse effects, and drug interactions. Although it is often considered more of a reference for healthcare providers, it is a trusted and authoritative source for accurate medication information.
D) Lexicomp:
Lexicomp is an evidence-based, reputable resource that provides comprehensive drug information, including dosage recommendations, side effects, interactions, and clinical guidelines. It is frequently used by healthcare providers for decision-making in clinical practice and is considered highly reliable.
E) Micromedex:
Micromedex is another reliable, evidence-based drug information database widely used in healthcare settings. It provides drug monographs, information on drug interactions, adverse effects, and clinical recommendations, making it an essential tool for clinical decision-making.
F) American Hospital Formulary Service (AHFS) Drug Information:
The American Hospital Formulary Service (AHFS) is a trusted source of drug information that is used by healthcare providers to obtain reliable, evidence-based data. It includes detailed monographs on prescription drugs, over-the-counter medications, and other therapeutic agents, which are useful for clinicians when assessing treatment options.
Correct Answer is C
Explanation
Convert ounces to milliliters (1 oz = 29.5735 mL):
8 oz coffee: 8 × 29.5735 = 236.588 mL
3 oz juice: 3 × 29.5735 = 88.7205 mL
12 oz soda: 12 × 29.5735 = 354.882 mL
Calculate the water intake from the water pitcher:
Total water intake: 800 mL (initial) - 200 mL (remaining) = 600 mL
Calculate the IV fluid intake:
IV fluids at 40 mL/hr for 8 hours: 40 × 8 = 320 mL
Add all the fluid amounts:
Totalfluidintake=236.588mL+88.7205mL+354.882mL+600mL+320mL=1600.1905mL
Rounding to the nearest whole number: 1600 mL.
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