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.)
The Correct Answer is ["8.3"]
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
To find the answer, we can use the following steps:
- Calculate the dose of dalteparin in units by multiplying the weight in kg 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:
- (dose in units) = (60) x (200) = 12,000 units
- (volume in mL) = (12,000) / (25,000) = 0.48 mL
- (rounded volume in mL) = 0.5 mL
Therefore, the nurse should administer 0.5 mL of dalteparin from the vial to the client.
Correct Answer is ["1200"]
Explanation
To find the answer, we can use the following formula:
(units of heparin) = (mL/hour) x (hours) x (units per mL)
Substituting the given values, we get:
(units of heparin) = (25) x (12) x (20,000 / 500)
Simplifying, we get:
(units of heparin) = (25) x (12) x (40)
(units of heparin) = 1200
Therefore, the client should receive 1200 units of heparin in 12 hours.
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