A nurse is preparing to start an IV infusion of lactated Ringer’s for a client who sustained a burn injury.
The client is prescribed 5,200 mL of fluid over the first 24 hr. How many mL/hr should the nurse set the pump to infuse for the first 8 hr? (Round the answer to the nearest whole number.
Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["325"]
Step 1 is to determine the total volume of fluid to be infused in the first 8 hours. According to the Parkland formula for fluid resuscitation, half of the prescribed volume is administered in the first 8 hours. Thus:
Total fluid for the first 8 hours = 5,200 mL ÷ 2 = 2,600 mL.
Step 2 is to calculate the infusion rate in mL/hr for the first 8 hours. Divide the total volume for the first 8 hours by the total time in hours:
Infusion rate = 2,600 mL ÷ 8 hr = 325 mL/hr.
Final calculated answer: 325 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Fever usually accompanies myocardial infarction. This statement is incorrect. While fever can occur with myocardial infarction, it is not a common or primary symptom. Acetaminophen is not prescribed for this reason.
Choice B rationale
Acetaminophen does not interfere with platelet action as acetylsalicylic acid (aspirin) does. This statement is correct but not the reason for prescribing acetaminophen before nitrates. Acetaminophen is chosen for its analgesic properties without affecting platelet function.
Choice C rationale
Headache is a common side effect of nitrates. This statement is correct. Nitrates can cause vasodilation, leading to headaches. Acetaminophen is prescribed to manage this common side effect.
Choice D rationale
Acetaminophen potentiates the therapeutic effect of nitrates. This statement is incorrect. Acetaminophen does not enhance the therapeutic effects of nitrates; it is used to manage side effects like headaches.
Correct Answer is A
Explanation
Choice A rationale
The weights from the traction device should only be removed if the client develops a life- threatening situation. This is to ensure the client’s immediate safety and address the critical condition.
Choice B rationale
The client should not have the weights removed for repositioning in the bed. Proper techniques should be used to reposition the client without removing the weights to maintain the effectiveness of the traction.
Choice C rationale
Complaints of pain should be addressed by assessing the cause and providing appropriate pain management, but the weights should not be removed as it can compromise the traction.
Choice D rationale
The weights should not be removed for an x-ray. The traction can be maintained during imaging procedures to ensure continuous treatment.
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