An infant who weighs 22 pounds receives a prescription for amoxicillin 20 mg/kg/day by mouth in divided doses every 8 hours. The bottle is labeled, "Amoxicillin for Oral Suspension, USP 250 mg per 5 mL." How many mL should the nurse administer with each dose? (Enter numerical value only. If rounding is necessary, round to the nearest tenth.)
The Correct Answer is ["1.3"]
1. Convert the infant's weight from pounds to kilograms. We can use the conversion factor 1 kg
= 2.2 lb. So, 22 lb x (1 kg / 2.2 lb) = 10 kg.
2. Calculate the total daily dose of amoxicillin for the infant. We can use the formula D = d x W, where D is the total daily dose, d is the dose per kg per day, and W is the weight in kg. So, D = 20 mg x 10 kg = 200 mg.
3. Calculate the single dose of amoxicillin for the infant. We can divide the total daily dose by the number of doses per day. Since the prescription is for every 8 hours, there are 3 doses per day. So, 200 mg / 3 = 66.67 mg.
4. Calculate the volume of amoxicillin suspension for the single dose. We can use the ratio of the concentration of the suspension, which is 250 mg per 5 mL. So, 66.67 mg x (5 mL / 250 mg) =
1.33 mL.
5. Round the volume to the nearest tenth= 1.3 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The correct answer is Choice C: “This must be a very difficult time for you.”
Choice A rationale: Telling the parent “You didn’t do anything wrong” might seem comforting, but it doesn’t address the parent’s feelings of guilt or responsibility.It’s important to remember that myelomeningocele is a birth defect that occurs when the spine and spinal cord do not develop completely1.It’s often not known why this happens, but it can be due to a combination of genetic and environmental factors2. Therefore, it’s not something the parent did or didn’t do.
Choice B rationale: Asking “Is there any particular reason why you think this is your fault?” could potentially lead to a constructive conversation. However, it might also make the parent feel defensive or as if they need to justify their feelings. It’s crucial to approach this situation with empathy and understanding, acknowledging the parent’s feelings without making them feel judged.
Choice C rationale: Saying “This must be a very difficult time for you” is the most helpful response because it acknowledges the parent’s feelings and offers empathy. It doesn’t place blame or make assumptions. Instead, it opens up a space for the parent to express their feelings and concerns.
Choice D rationale: While it’s true that surgery can help manage the condition1, saying “With surgery, your baby should have a full recovery” might be misleading.Myelomeningocele is the most severe form of spina bifida and can cause moderate to severe disabilities, such as muscle weakness, loss of bladder or bowel control, and/or paralysis2. Each case is unique, and while some children may have less severe symptoms, others may require lifelong management. It’s important to provide accurate and realistic information.
Remember, it’s essential to approach these conversations with empathy and understanding. Parents dealing with a diagnosis of myelomeningocele are likely experiencing a range of emotions, and they need support and accurate information.
Correct Answer is C
Explanation
The correct answer is: C. Experiences facial swelling after eating crab.
Choice A Reason: Drinking a glass of water in the past 2 hours is not typically a concern unless the patient has been instructed to fast. For most cardiac catheterization procedures, patients are asked to fast for a certain period before the procedure to reduce the risk of aspiration. However, small sips of water may be allowed with medications.
Choice B Reason: While reports of left chest wall pain are clinically significant and warrant investigation, they are not as immediately concerning for the angioplasty procedure itself. Chest pain is a symptom that may have led to the decision to perform angioplasty but does not pose an immediate risk of complication during the procedure as an allergy might.
Choice C Reason: As previously mentioned, experiencing facial swelling after eating crab is indicative of a shellfish allergy. This is important because the contrast dye used in angioplasty may contain iodine, and patients with shellfish allergies could have an increased risk of an allergic reaction to the iodine in the dye. It is essential to explore this further to take necessary precautions, such as premedication with antihistamines or using a different contrast agent.
Choice D Reason: Verbalizing a fear of being in a confined space, or claustrophobia, is a psychological concern that should be addressed to ensure the patient’s comfort during the procedure. However, it does not pose a direct risk to the safety of the angioplasty procedure like an allergic reaction does. Managing patient anxiety is important, but it is not the most critical factor to explore prior to the procedure.
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