A nurse is preparing to administer heparin 5,000 units subcutaneous to a client who is postpartum. Available is heparin solution for injection 10,000 units/mL. After validating the dosage with another nurse. 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 ["0.5"]
To calculate the correct dosage of heparin, the nurse needs to use the formula: (desired dose ÷ available concentration) = volume to administer. In this case, the desired dose is 5,000 units, and the available concentration is 10,000 units per mL. Therefore, the calculation would be: (5,000 units ÷ 10,000 units/mL) = 0.5 mL. So, the nurse should administer 0.5 mL of heparin to the client. This dosage should be validated with another nurse to ensure accuracy and safety for the client.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["12.2"]
Explanation
To calculate the IV pump setting, first convert the newborn's weight from pounds to kilograms, knowing that 1 pound is equivalent to 0.453592 kilograms. The newborn weighs 6.7 pounds, which is approximately 3.039 kg (6.7 lb * 0.453592 kg/lb). Next, calculate the total amount of potassium needed per hour by multiplying the newborn's weight in kilograms by the prescribed dose: 0.4 mEq/kg/hr * 3.039 kg = 1.2156 mEq/hr. Since the available potassium is 10 mEq in 100 mL, this means there is 0.1 mEq/mL. To find out how many mL/hr to administer, divide the total mEq needed per hour by the concentration: 1.2156 mEq/hr ÷ 0.1 mEq/mL = 12.156 mL/hr. Rounded to the nearest tenth, the IV pump should be set to deliver 12.2 mL/hr.
Correct Answer is ["4.8"]
Explanation
To calculate the IV pump setting for dobutamine administration, first determine the total mcg per minute for the newborn, which is 10 mcg/kg/min multiplied by the newborn's weight. For a 4 kg newborn, this would be 40 mcg/min. Next, convert the available dobutamine concentration to mcg/mL by dividing the total mg available by the volume in mL, resulting in 250 mg / 500 mL = 0.5 mg/mL, which is equivalent to 500 mcg/mL. Now, divide the newborn's required mcg/min by the concentration in mcg/mL to find the mL/min, which is 40 mcg/min / 500 mcg/mL = 0.08 mL/min. Finally, convert this to mL/hr by multiplying by 60, resulting in 4.8 mL/hr. After rounding to the nearest tenth, the IV pump should be set to deliver 4.8 mL/hr.
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