A child comes to the clinic for evaluation of skin lesions and is diagnosed with impetigo. Which of the following medications would the nurse anticipate the physician might prescribe?
Tetracyline
Penicillin
Metronidazole
Lindane
The Correct Answer is B
A. Tetracycline:
Tetracycline antibiotics, such as doxycycline or minocycline, can be effective against the bacteria that cause impetigo. However, their use in children, especially younger ones, might be limited due to concerns about potential effects on developing teeth and bones. Therefore, they are not the first-line choice for pediatric impetigo.
B. Penicillin:
Penicillin or other antibiotics in the penicillin family, such as dicloxacillin or amoxicillin, are commonly used to treat impetigo caused by Streptococcus pyogenes. Penicillin-based antibiotics are effective against certain strains of the bacteria responsible for impetigo. They are often a preferred choice for pediatric impetigo.
C. Metronidazole:
Metronidazole is an antibiotic with activity against anaerobic bacteria and certain parasites. However, it is not typically used to treat impetigo caused by Staphylococcus aureus or Streptococcus pyogenes.
D. Lindane:
Lindane is an anti-parasitic medication used for conditions like scabies or lice. It is not effective against the bacteria that cause impetigo. Lindane is not an appropriate treatment for impetigo, and its use is limited due to potential neurotoxicity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["-195"]
Explanation
The water intake is half of 900 mL, which is 450 mL. The soft drink intake is 12 oz, which is equivalent to 355 mL. Therefore, the total fluid intake is 450 + 355 = 805 mL.
The urine output is the sum of the two voids, which is 600 + 350 = 950 mL. The drainage output is 50 mL. Therefore, the total fluid output is 950 + 50 = 1000 mL.
The net I/O is the difference between the fluid intake and output, which is 805 - 1000 = -195 mL. This means that the patient had a negative fluid balance of 195 mL during the night.
Correct Answer is ["612.375"]
Explanation
To calculate the ordered dose of Ceftriaxone in mg/kg/day, we can follow these steps:
Convert the weight to kg:
Weight in kg= Weight in lbs /2.2046
Weight in kg= 18lbs/2.2046≈8.165 kg
Calculate the daily dosage range:
Using the recommended dosage range of 50-75 mg/kg/day:
Minimum daily dosage= 50mg/kg/day × Weight in kg
Maximum daily dosage =75mg/kg/day×Weight in kg
Calculate the ordered dose:
Ordered dose=Dosage per administration × Frequency per day
Ordered dose= 300mg×2times per day= 600mg/day
Now, let's calculate the daily dosage range:
Minimum daily dosage=50mg/kg/day×8.165kg=408.25mg/day
Maximum daily dosage=75mg/kg/day×8.165kg=612.375mg/day
The ordered dose of 600 mg/day falls within the calculated range of 408.25-612.375 mg/day, so the ordered dose is within the recommended dosage range for a serious infection.
Therefore, the ordered dose of Ceftriaxone 300 mg IV Q12H for a 6-month-old infant weighing 18 lbs is considered safe based on the calculated dosage range.
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