A nurse is preparing to administer calcitonin 8 units/kg IM to a client who weighs 130 lb. Available is calcitonin 200 units/ml. for injection. How many ml. should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2.4"]
To calculate the amount of calcitonin the nurse should administer, follow these steps:
Calculate the client's weight in kilograms: Weight in kilograms = Weight in pounds / 2.2 Weight in kilograms = 130 lb / 2.2 = 59.09 kg (rounded to two decimal places)
Calculate the total units of calcitonin needed: Total units = Weight in kilograms × Dose per kilogram Total units = 59.09 kg × 8 units/kg = 472.72 units
Determine the volume (ml) to administer using the concentration of the available calcitonin: Volume (ml) = Total units needed / Concentration (units/ml) Volume (ml) = 472.72 units / 200 units/ml = 2.36 ml
Rounded to the nearest tenth of a milliliter, the nurse should administer 2.4 ml of calcitonin.
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Correct Answer is C
Explanation
a. Docusate sodium 200 mg PO at bedtime
● This prescription is appropriate for a stool softener (Docusate sodium) commonly used to prevent or treat constipation. It's a standard dosage and administration for this type of medication and doesn't require further clarification.
b. Meloxicam 15 mg PO daily
● Meloxicam is a nonsteroidal anti-inflammatory drug (NSAID) used for pain and inflammation. This prescription indicates a standard dosage and administration for this medication and doesn't require further clarification.
c. Regular insulin 8 units subcutaneous before mealsRegular insulin 8 units subcutaneous before meals is a vague and potentially dangerous prescription. The dose of insulin should be individualized based on the client's blood glucose level, carbohydrate intake, and activity level.A prescription for "before meals" without a sliding scale or specific blood glucose parameters is incomplete and potentially dangerous The nurse should contact the provider for clarification on how to adjust the dose according to the client's needs.
d. Fentanyl 25 mcg/hr transdermal patch
● Fentanyl patches are commonly used for chronic pain management. A dose of 25 mcg/hr is within the standard dosing range for patients who are opioid-tolerant. No clarification is typically needed for this prescription.
Correct Answer is ["4.5"]
Explanation
To calculate the mL of ondansetron to administer, follow these steps:
Convert the client's weight from pounds (lb) to kilograms (kg):
Client's weight in kg = Client's weight in lb / 2.2 Client's weight in kg = 132 lb / 2.2 ≈ 60 kg
Determine the total dosage required based on the client's weight:
Total dosage = Client's weight in kg × Dosage (mg/kg) Total dosage = 60 kg × 0.15 mg/kg = 9 mg
Determine the mL to administer based on the available concentration:
Concentration (mg/mL) = 2 mg / 1 mL = 2 mg/mL
Calculate the mL to administer:
mL to administer = Total dosage (mg) / Concentration (mg/mL) mL to administer = 9 mg / 2 mg/mL = 4.5 mL
Round the answer to the nearest tenth:
The nurse should administer 4.5 mL of ondansetron.
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