A nurse is preparing to administer amoxicillin 80 mg/kg/day to divide equally every 8 hr to a preschooler who weighs 33 lb. Available is amoxicillin oral suspension 250 mg/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["8"]
Convert the child's weight from pounds to kilograms:
- 33 lb / 2.2 = 15 kg
Calculate the total daily dose of amoxicillin:
- 80 mg/kg/day 15 kg = 1200 mg/day
Divide the total daily dose by the number of doses per day:
- 1200 mg/day / 3 doses/day = 400 mg/dose
Determine the volume of amoxicillin suspension needed for one dose:
- Available concentration: 250 mg/5 mL
- To find the volume for one dose: (400 mg) / (250 mg/5 mL) = 8 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Blood cultures are typically used to detect systemic infections or bacteremia, not Clostridium difficile, which is a bacterial infection primarily affecting the intestines.
B. A stool specimen for culture is the appropriate diagnostic test when C. difficile is suspected, as it can confirm the presence of the bacteria responsible for the infection. The stool test detects toxins A and B, which are produced by C. difficile and cause severe diarrhea.
C. The term "C. diff test" is too vague and does not specify a standard laboratory procedure. The correct test involves stool culture or toxin detection.
D. A stool test for occult blood checks for hidden blood in the stool, which may indicate gastrointestinal bleeding but does not diagnose C. difficile.
Correct Answer is C
Explanation
A. Perform chest physiotherapy. This is not a standard intervention for influenza type B. Chest physiotherapy is typically used for conditions such as pneumonia or cystic fibrosis, but not for influenzae infections.
B. Administer gamma globulin. Gamma globulin is not typically administered for influenza type B, as it is not a standard treatment for this viral infection.
C. Implement droplet precautions. This is correct. Influenza type B is transmitted via droplets, so droplet precautions are necessary to prevent the spread of the virus to others. The child should be placed in a private room, and staff should wear a mask when entering the room.
D. Instruct the parent about antibiotic therapy. Antibiotics are not effective against viral infections such as influenza type B. This statement is incorrect, as antiviral medications like oseltamivir (Tamiflu) may be prescribed, but antibiotics would not be used unless there is a secondary bacterial infection.
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