A child with asthma has the following medication ordered: Theophylline 4 mg/kg/dose every 6 hrs. The child weighs 4.69 kg. Calculate the appropriate dose.
33.6 mg
18.7 mg
8.4 mg
19 mg
The Correct Answer is B
To calculate the appropriate dose of Theophylline for the child weighing 4.69 kg:
Dose = Weight (kg) × Dose (mg/kg)
Dose = 4.69 kg × 4 mg/kg
Dose = 18.76 mg
So, the appropriate dose is approximately 18.7 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Withhold opioids to avoid dependence.
This option is incorrect. Opioid analgesics are commonly used to manage the severe pain associated with sickle cell crisis. Withholding opioids during a crisis could lead to inadequate pain relief and compromise the adolescent's comfort and recovery. It's important to appropriately administer opioids as prescribed to alleviate pain and suffering.
B. Assist RN with administering a blood transfusion.
This option may be appropriate depending on the severity and indications of the sickle cell crisis. Blood transfusions are sometimes used to treat sickle cell crises, particularly in cases of severe anemia or acute complications such as acute chest syndrome. However, the decision to administer a blood transfusion should be made by the healthcare provider based on the individual patient's clinical status and needs. The nurse's role would include assisting the registered nurse (RN) with the administration of the transfusion and monitoring the adolescent for any adverse reactions.
C. Initiate a 2 L/day fluid restriction.
This option is incorrect. During a sickle cell crisis, it is important to maintain adequate hydration to help prevent dehydration and reduce the viscosity of blood, which can help prevent sickling of red blood cells. Fluid intake should be encouraged, and there is typically no need for fluid restriction unless there are specific medical reasons to do so.
D. Encourage exercise.
This option is incorrect. During a sickle cell crisis, the adolescent is likely experiencing significant pain and discomfort, which may limit their ability to engage in physical activity. Encouraging exercise during a crisis could exacerbate pain and potentially lead to complications. Rest and minimizing physical exertion are typically recommended during a sickle cell crisis to promote comfort and conserve energy.
Correct Answer is D
Explanation
A. "I will use powders & lotion on his skin around the harness clasps."
This statement indicates a misunderstanding. Powders and lotions should generally be avoided around the harness clasps because they can interfere with the proper fit of the harness and cause irritation or discomfort to the baby's skin.
B. “I will remove the harness daily, prior to giving the bath.”
This statement is incorrect. The Pavlik harness is typically not removed for bathing, as it needs to be worn continuously to maintain proper positioning of the hips and promote optimal healing. Removing the harness daily for bathing can disrupt the treatment process and delay progress.
C. "I will adjust the harness straps every day."
This statement indicates a misunderstanding. The harness should not be adjusted daily without guidance from the healthcare provider. The straps of the Pavlik harness are initially adjusted by the healthcare provider to ensure proper fit, and they should remain in place without frequent adjustments to maintain stability and effectiveness.
D. "I will check my baby's skin under the straps frequently."
This statement indicates an understanding of the teaching. It is essential for the mother to regularly check her baby's skin under the harness straps for any signs of irritation, redness, or pressure sores. Monitoring the skin closely allows for early detection of any issues that may arise from wearing the harness.
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