The licensed prescriber orders penicillin V 300,000 units po four times a day for your patient with chronic otitis. The drug is supplied in oral solution 200,000 units/5 mL. How many milliliters will you administer per dose?
The Correct Answer is ["7.5"]
To determine how many milliliters to administer per dose, use the formula:
Volume to administer = (Desired dose ÷ Available dose) × Volume on hand
Volume = (300,000 units ÷ 200,000 units) × 5 mL
Volume = 1.5 × 5 mL = 7.5 mL
Answer: 7.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Increasing the client’s sodium intake is contraindicated. Sodium contributes to fluid retention, which can worsen ascites in clients with cirrhosis.
B. Decreasing the client’s fluid intake is correct. Fluid restriction is often recommended for clients with ascites to help control fluid accumulation in the abdominal cavity and reduce discomfort.
C. Increasing the client’s saturated fat intake is not advisable, as it can contribute to further liver damage and complications in clients with liver disease.
D. Decreasing the client’s carbohydrate intake is unnecessary unless blood glucose control is an issue. Clients with cirrhosis often need adequate carbohydrates for energy, especially since protein intake may be limited to prevent hepatic encephalopathy.
Correct Answer is D
Explanation
A. While cleanliness and avoiding irritation are important, salt water is generally not harmful unless the skin is still healing or open. Sun exposure is the bigger concern.
B. There is no universal recommendation to avoid alcohol for a year after radiation, unless specifically advised by the healthcare provider for medical reasons.
C. While supportive, this response does not provide essential safety guidance regarding radiation treatment aftercare.
D. Skin that has been exposed to radiation is very sensitive and prone to damage from UV rays. Patients are advised to keep the treated area protected from sunlight for an extended period, even after treatment ends, to avoid burns or pigmentation changes.
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