The healthcare provider prescribes 1 unit (350 mL) of packed red blood cells (PRBC) to infuse over 4 hours. The IV administration set delivers 15 gtt/mL. How many gtt/min should the nurse regulate the infusion? (Enter the numeric value only. Round to the nearest whole number.)
The Correct Answer is ["22"]
To calculate the drip rate for an IV, you can use the formula: (Volume to be infused (mL) x Drop factor (gtt/mL)) / Time (min). For the prescribed 1 unit of PRBC at 350 mL to be infused over 4 hours with a drop factor of 15 gtt/mL, the calculation would be: (350 mL x 15 gtt/mL) / (4 hours x 60 minutes/hour). This simplifies to (5250 gtt) / (240 min), which equals 21.875 gtt/min. When rounded to the nearest whole number, the nurse should regulate the infusion to 22 gtt/min.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
A. Restraints should be secure but not too tight to prevent injury or impaired circulation.
B. Ensuring the knot can be quickly released is critical for the client's safety in case of emergency.
C. A double turn or square knot would make the restraint difficult to remove quickly, posing a safety risk.
D. Restraints should never be tied to side rails as this can cause injury if the rails are moved.
Correct Answer is A
Explanation
A. Defibrillation is the immediate treatment of choice for ventricular fibrillation to restore a normal heart rhythm. It delivers an electric shock to the heart, which can stop the abnormal rhythm and allow the heart to resume its normal rhythm.
B. External pacing is not effective for ventricular fibrillation as it requires an organized electrical activity to pace.
C. Atropine is used for bradycardia, not ventricular fibrillation.
D. Amiodarone is used to stabilize the heart rhythm after defibrillation but is not the immediate treatment for VF.
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