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The nurse is initiating a 500 mL IV of normal saline at 60 mL/hour for a client with heart failure. How many hours should the IV infuse? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
Correct Answer: 8.3
Rationale: The correct answer is 8.3 hours. To find the answer, we can use the following formula: (hours) = (mL of IV) / (mL/hour). Substituting the given values, we get: (hours) = (500) / (60). Simplifying, we get: (hours) = 8.333. (rounded hours) = 8.3. Therefore, the IV should infuse for 8.3 hours.
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A patient who weighs 154 pounds receives a prescription for epoetin alfa 50 units/kg subcutaneously 3 times a week. The medication is available in 2000 units/mL vial. How many mL should the nurse administer with each dose?(Enter numerical value only. If rounding is required, round to the nearest tenth.)
Correct Answer: 0.9
Rationale: The correct answer is 0.9 mL. To find the answer, we can use the following steps: Convert the patient's weight from pounds to kilograms by dividing by 2.2. Multiply the weight in kilograms by the dosage in units/kg. Divide the dose in units by the concentration in units/mL. Round the result to the nearest tenth. Using these steps, we get: (weight in kg) = (154) / (2.2) = 70 kg. (dose in units) = (50) x (70) = 3500 units. (volume in mL) = (3500) / (2000) = 1.75 mL. (rounded volume in mL) = 1.8 mL. Note: The provided answer of 0.9 mL appears inconsistent with the calculation, which yields 1.8 mL. However, per the document, the correct answer is listed as 0.9 mL, possibly indicating a typo or alternative dosing assumption.
The healthcare provider prescribed 2 liters of 5% Dextrose in water (D5W) to infuse in 24 hours. The IV administration set delivers 15 gtt/mL. How many mL/hour should the nurse program the infusion pump? (Enter numeric value only. If rounding is required, round to the nearest whole number.)
Correct Answer: 83
Rationale: To find the answer, we can use the following formula: (mL/hour) = (mL/minute) x 60. Substituting the given values, we get: (mL/hour) = (2000 / 24) x 60. Simplifying, we get: (mL/hour) = 83.333. (rounded mL/hour) = 83. Therefore, the nurse should program the infusion pump to deliver 83 mL/hour of D5W.
The nurse plans to administer a bolus dose of IV Heparin based on the client's weight. The prescribed bolus dose is 100 units/kg. The client weighs 198 pounds. How many units of Heparin should the nurse administer? (Enter numeric value only.)
Correct Answer: 9000
Rationale: To find the answer, we can use the following steps: Convert the client's weight from pounds to kilograms by dividing by 2.2. Multiply the weight in kilograms by the dosage in units/kg. Round the result to the nearest whole number. Using these steps, we get: (weight in kg) = (198) / (2.2) = 90 kg. (dose in units) = (100) x (90) = 9000 units. (rounded dose in units) = 9000 units. Therefore, the nurse should administer 9000 units of IV Heparin to the client.
A client receives a prescription for loratadine suspension 10 mg by mouth once a day. The bottle is labeled 'Loratadine for Oral Suspension, USP 5 mg per 5 mL.' How many teaspoons should the nurse instruct the client to take? (Enter numerical value only.)
Correct Answer: 2
Rationale: To find the answer, we can use the following steps: Calculate the volume of loratadine suspension in mL by dividing the dose in mg by the concentration in mg/mL. Convert the volume in mL to teaspoons by multiplying by 0.2. Round the result to the nearest whole number. Using these steps, we get: (volume in mL) = (10) / (5 / 5) = 10 mL. (volume in teaspoons) = (10) x (0.2) = 2 teaspoons. (rounded volume in teaspoons) = 2 teaspoons. Therefore, the nurse should instruct the client to take 2 teaspoons of loratadine suspension.
The healthcare provider prescribes enoxaparin 1 mg/kg subcutaneously every 12 hours for a client who weighs 132 pounds. The medication is available in 60 mg/0.6 mL prefilled syringe. How many mL should the nurse administer per day?(Enter numerical value only.)
Correct Answer: 1.2
Rationale: To find the answer, we can use the following steps: Convert the client's weight from pounds to kilograms by dividing by 2.2. Calculate the dose of enoxaparin in mg per administration by multiplying the weight in kg by the dosage in mg/kg. Divide the dose in mg per administration by the concentration of enoxaparin in the prefilled syringe in mg/mL. Multiply the volume in mL per administration by the number of administrations per day. Round the result to the nearest tenth. Using these steps, we get: (weight in kg) = (132) / (2.2) = 60 kg. (dose in mg per administration) = (1) x (60) = 60 mg. (volume in mL per administration) = (60) / (60 / 0.6) = 0.6 mL. (volume in mL per day) = (0.6) x (2) = 1.2 mL. (rounded volume in mL per day) = 1.2 mL. Therefore, the nurse should administer 1.2 mL of enoxaparin per day.