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Chapter 12 Critical Care
Complete Chapter Questions And Answers
Sample Questions
SHORT ANSWER
Critical Care: Infusion Rates
1. Aminophylline 1 g in 250 mL D5W at 20 mg/hr
a. What is the concentration of the solution?
b. What is the volume per minute?
c. What is the volume per hour?
d. What is the concentration per minute?
e. What is the concentration per hour?
ANS:
2. Lidocaine 2 g in 500 mL D5W at 3 mg/min
a. What is the concentration of the solution?
b. What is the volume per minute?
c. What is the volume per hour?
d. What is the concentration per minute?
e. What is the concentration per hour?
ANS:
a. 4 mg/mL
b. 0.75 mL/min
c. 45 mL/hr
d. 3 mg/min (given)
e. 180 mg/hr
3. Dopamine 400 mg in 250 mL D5W at 3 mcg/kg/min; patient weight = 60 kg
a. What is the concentration of the solution?
b. What is the volume per minute?
c. What is the volume per hour?
d. What is the concentration per minute?
e. What is the concentration per hour?
ANS:
a. 1600 mcg/mL (or 1.6 mg/mL)
b. 0.11 mL/min
c. 6.75 mL/hr
d. 3 mcg/kg/min × 60 kg = 180 mcg/min
e. 10,800 mcg/hr (or 10.8 mg/hr)
4. Nitroglycerin 50 mg in 250 mL D5W at 10 mcg/min
a. What is the concentration of the solution?
b. What is the volume per minute?
c. What is the volume per hour?
d. What is the concentration per minute?
e. What is the concentration per hour?
ANS:
a. 200 mcg/mL (0.2 mg/mL)
b. 0.05 mL/min
c. 3 mL/hr
d. 10 mcg/min (given)
e. 600 mcg/hr
5. Nitroglycerin 100 mg in 250 mL D5W at 25 mcg/min
a. What is the concentration of the solution?
b. What is the volume per minute?
c. What is the volume per hour?
d. What is the concentration per minute?
e. What is the concentration per hour?
ANS:
a. 400 mcg/mL (0.4 mg/mL)
b. 0.0625 mL/min
c. 3.75 mL/hr
d. 25 mcg/min (given)
e. 1500 mcg/hr (or 1.5 mg/hr)
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