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. Wearing a mask when visiting the child despite having had chickenpox is incorrect. If the guardian has already had chickenpox or received the varicella vaccine, they are immune and do not need to wear a mask when visiting the child. However, individuals who are immunocompromised or have never had chickenpox should take precautions.
B. Taking the child to the playroom after all lesions have crusted is correct. Varicella (chickenpox) is contagious until all lesions have crusted over, which usually takes about 5 to 7 days. Once crusting has occurred, the virus is no longer actively transmissible, and the child can safely interact with others.
C. Expecting the child to remain on bedrest for 3 days is incorrect. Bedrest is not a requirement for varicella unless the child has complications such as a high fever or severe discomfort. Activity should be based on the child's energy levels and overall condition.
D. Waiting to bathe the child until the crusts have fallen off is incorrect. Bathing can be done while the child still has crusted lesions, as long as the water is lukewarm and soap is mild. Oatmeal or baking soda baths can help soothe itching and prevent infection.
Correct Answer is {"A":{"answers":"A"},"B":{"answers":"A"},"C":{"answers":"C"},"D":{"answers":"C"},"E":{"answers":"C"},"F":{"answers":"C"}}
Explanation
- Steatorrhea
Unrelated to diagnosis
Steatorrhea, or fatty stools, is a symptom related to cystic fibrosis, specifically due to pancreatic insufficiency. It is not related to the acute issue of Streptococcus pneumonia infection but rather a chronic symptom of cystic fibrosis. - Barrel chest
Unrelated to diagnosis
A barrel chest is a long-term manifestation of cystic fibrosis caused by chronic lung damage. It is not a sign of worsening pneumonia but rather a physical characteristic of the patient's chronic condition. - Respiratory rate 32/min
Indication of potential worsening of the condition
An increased respiratory rate is an indication of respiratory distress or worsening of the pneumonia, particularly as the body attempts to compensate for inadequate oxygenation. - WBC count 17,000/mm3
Indication of potential worsening of the condition
An elevated white blood cell (WBC. count suggests ongoing infection or inflammation. Given the patient's history of pneumonia, this is likely an indication that the infection may not be fully controlled. - Hemoptysis 300 mL
Indication of potential worsening of the condition
Hemoptysis, or coughing up blood, especially in such a significant volume, is a serious sign of worsening lung conditions, possibly due to severe infection or complications like a pulmonary hemorrhage. This requires immediate attention. - Oxygen saturation 45% on 1 L oxygen via nasal cannula
Indication of potential worsening of the condition
A low oxygen saturation of 45% is critically low and indicates severe hypoxemia, suggesting that the patient’s respiratory function is deteriorating and more intensive intervention may be needed, such as mechanical ventilation.
Findings 24 Hr Later
Unrelated to diagnosis
Indication of potential improvement
Indication of potential worsening of the condition
Steatorrhea
✓
Barrel chest
✓
Respiratory rate 32/min
✓
WBC count 17.000/mm3
✓
Hemoptysis 300
✓
Oxygen saturation 45% on 1 L oxygen via nasal cannula
✓
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