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","B","C","E"]
Explanation
Choice A rationale
Providing diversionary activities for the client can help distract them and reduce the likelihood of them pulling on their NG tube. Diversionary activities can include engaging the client in conversation, providing them with puzzles or games, or allowing them to watch television or listen to music. These activities can help occupy the client’s time and attention, reducing the need for restraints.
Choice B rationale
Assisting the client with toileting at frequent intervals can address any discomfort or need that may be causing the client to pull on their NG tube. Ensuring that the client is comfortable and their needs are met can reduce agitation and the likelihood of them pulling on the tube.
Choice C rationale
Involving the family in the client’s care can provide additional support and reassurance to the client. Family members can help calm the client and provide a familiar presence, which can reduce anxiety and the need for restraints.
Choice E rationale
Using an electronic bed alarm device can alert the nursing staff if the client attempts to get out of bed or pull on their NG tube. This allows for timely intervention without the need for physical restraints.
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