A nurse is calculating the fluid intake for an infant at the end of an 8-hr shift. For oral intake, the infant had 10 mL of medication, 3 oz of formula, and 2 oz of juice. In addition, the infant had IV fluid infusing at 20 mL/hr via an IV pump. The nurse should record how many mL of intake on the clients record? (Round the answer to the nearest whole number.)
310 mL
390 mL
320 mL
180 mL
The Correct Answer is C
To calculate:
1. Convert units:
1 oz = 30 mL
3 oz formula = 3 oz x 30 mL/oz = 90 mL
2 oz juice = 2 oz x 30 mL/oz = 60 mL
2. Calculate total oral intake:
Total oral intake = 10 mL (medication) + 90 mL (formula) + 60 mL (juice) = 160 mL
3. Calculate IV fluid intake:
IV fluid intake = 20 mL/hr x 8 hr = 160 mL
4. Calculate total fluid intake:
Total fluid intake = 160 mL (oral) + 160 mL (IV) = 320 mL
Answer: 320 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
1. Convert patient weight from pounds to kilograms:
Patient weight (kg) = 152 lb x 0.453592 kg/lb = 68.94 kg
2. Calculate the desired dose in mcg/min:
Desired dose (mcg/min) = 5 mcg/kg/min x 68.94 kg = 344.7 mcg/min
3. Convert mcg/min to mg/min:
Desired dose (mg/min) = 344.7 mcg/min / 1000 mcg/mg = 0.3447 mg/min
4. Calculate the concentration of dobutamine in the solution:
Concentration (mg/mL) = 500 mg / 250 mL = 2 mg/mL
5. Calculate the flow rate in mL/min:
Flow rate (mL/min) = Desired dose (mg/min) / Concentration (mg/mL)
Flow rate (mL/min) = 0.3447 mg/min / 2 mg/mL = 0.17235 mL/min
6. Calculate the flow rate in mL/hr:
Flow rate (mL/hr) = 0.17235 mL/min x 60 min/hr = 10.341 mL/hr
7. Round to the nearest tenth:
Flow rate (mL/hr) = 10.3 mL/hr
Therefore, the correct answer is 10.4 mL/hr
Correct Answer is B
Explanation
Given:
Ordered dose of phenobarbital: 6 mg/kg/day divided equally every 12 hours
Patient weight: 44 lbs
Concentration of phenobarbital elixir: 20 mg/5 mL
Step 1: Convert patient weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Patient weight in kg = 44 lbs x 0.453592 kg/lb = 19.958 kg
Step 2: Calculate the total daily dose of phenobarbital:
Total daily dose (mg) = Ordered dose (mg/kg/day) x Patient weight (kg)
Total daily dose (mg) = 6 mg/kg/day x 19.958 kg
Total daily dose (mg) = 119.748 mg/day
Step 3: Calculate the dose per administration:
Dose per administration (mg) = Total daily dose (mg) / Number of administrations per day
Dose per administration (mg) = 119.748 mg/day / 2 administrations/day
Dose per administration (mg) = 59.874 mg
Step 4: Calculate the volume to be administered per dose:
Volume (mL) = Dose per administration (mg) / Concentration (mg/mL)
Volume (mL) = 59.874 mg / (20 mg/5 mL)
Volume (mL) = 59.874 mg x (5 mL / 20 mg)
Volume (mL) = 14.9685 mL
Step 5: Round to the nearest whole number:
Volume (mL) ≈ 15 mL
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