A 110-pound, adult female is admitted to the Emergency Center after receiving burns to 40 percent of her body. Using the Parkland formula, the client's fluid requirements for the first 24 hours after injury is calculated using Lactated Ringer's 4 ml solution x Body weight (in kilograms) x Percent burn. The client should receive one-half of the 24-hour calculated fluid volume in the first 8 hours of treatment. The nurse should set the infusion pump to deliver how many ml/hour during the first 8 hours? (Enter the numerical value only. If rounding is required, round to the nearest whole number.)
The Correct Answer is ["499"]
Calculating the Lactated Ringer's Infusion Rate
Step 1: Convert pounds to kilograms:
110 pounds x (1 kg / 2.20462 pounds) ≈ 49.9 kg
Step 2: Calculate the total fluid requirement for 24 hours using the Parkland formula:
Total Fluid (mL) = 4 mL/kg/%TBSA x Body Weight (kg) x %TBSA
Total Fluid = 4 mL/kg/%TBSA x 49.9 kg x 40%
Total Fluid = 7984 mL
Step 3: Calculate the fluid volume for the first 8 hours:
First 8 Hours Fluid = Total Fluid / 2
First 8 Hours Fluid = 7984 mL / 2
First 8 Hours Fluid = 3992 mL
Step 4: Calculate the infusion rate for the first 8 hours:
Infusion Rate (mL/hour) = First 8 Hours Fluid / 8 hours
Infusion Rate = 3992 mL / 8 hours
Infusion Rate ≈ 499 mL/hour
Therefore, the nurse should set the infusion pump to deliver approximately 499 mL/hour during the first 8 hours.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.5"]
Explanation
To calculate the volume of furosemide to be administered, we can use the following formula:
Volume to administer = (Prescribed dose) / (Concentration)
Plugging in the given values:
Volume to administer = 25 mg / (40 mg/4 mL)
Volume to administer = 25 mg x (4 mL / 40 mg)
Volume to administer = 2.5 mL
Therefore, the nurse should administer 2.5 mL of furosemide (Lasix).
Correct Answer is ["7"]
Explanation
To calculate the number of tablets needed, we'll set up a proportion:
x tablets / 3.5 mg = 1 tablet / 0.5 mg
Cross-multiplying:
0.5x = 3.5
Solving for x:
x = 3.5 / 0.5
x = 7
Therefore, the nurse should administer 7 tablets of benztropine for each dose.
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