A nurse is preparing to administer amoxicillin 30 mg/kg/day in 2 equally 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 per dose?
The Correct Answer is ["5.6"]
Step 1: Convert the toddler’s weight from pounds to kilograms. 1 kg is approximately 2.2 lb. So, 33 lb ÷ 2.2 = 15 kg.
Step 2: Calculate the total daily dose of amoxicillin. The prescribed dose is 30 mg/kg/day. So, 30 mg/kg/day × 15 kg = 450 mg/day.
Step 3: Since the dose is divided into 2 equal doses every 12 hours, each dose will be half of the total daily dose. So, 450 mg/day ÷ 2 = 225 mg/dose.
Step 4: Calculate the volume of the suspension to administer per dose. The available suspension is 200 mg/5 mL. So, (225 mg/dose ÷ 200 mg) × 5 mL = 5.625 mL/dose. Therefore, the nurse should administer approximately 5.6 mL of the amoxicillin suspension per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Emptying the drainage bag when half full is a correct action by the AP4. It is important to empty the drainage bag regularly to prevent infection and maintain accurate intake and output records.
Choice B rationale
Placing the drainage bag on the side rail of the patient’s bed is an incorrect action by the AP4. The drainage bag should be placed below the level of the bladder to prevent backflow of urine, which can lead to infection.
Choice C rationale
Kinking the catheter tubing to obtain a urine specimen is an incorrect action by the AP4. This can cause discomfort to the patient and potentially damage the catheter.
Choice D rationale
Securing the catheter tubing to the patient’s thigh is a correct action by the AP4. This helps to prevent pulling on the catheter, which can cause discomfort and potential damage to the urethra.
Correct Answer is B
Explanation
Choice A rationale
A stoma may appear red and moist immediately after surgery, similar to the inside of the mouth. A purplish color could indicate a lack of blood supply to the stoma, which is a medical emergency.
Choice B rationale
A small amount of bleeding around the stoma is normal, especially when cleaning the area or changing the ostomy appliance. This is because the stoma contains blood vessels and has a rich blood supply.
Choice C rationale
Fecal output from a colostomy can be expected within 2 to 4 days after surgery. It is not typical to see output within 24 hours.
Choice D rationale
An increase in the intake of raw vegetables is not necessary after a colostomy. In fact, some people may find certain raw vegetables difficult to digest and they may cause gas or odor.
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