PTCB Practice Exam (Math) 2023 Test with multiple choices and complete solutions

PTCB Practice Exam (Math) 2023 Test with multiple choices and complete solutions If a physician writes an order for 400 mL of D5W to be infused over a 4-hour time period, and the IV drop factor is 12 gtt/mL, how many drops per minute should be delivered? a. 12 gtt b. 2 gtt c. 1.67 gtt d. 20 gtt (CORRECT ANSWER) - 20 gtt First find the total number of minutes: 60 X 4 = 240. Then find mL/min: 400 / 240 = 1.67 ml infused in 1 minute. Then multiply this by the drop factor: 1.67 X 12 = 20 drops per minute. A drug sells for $29.99 retail and has a wholesale cost of $19.74. The dispensing cost is $3.20. What is the pharmacy's net profit? A $10.25 B $29.99 C $3.20 D $7.05 (CORRECT ANSWER) - $7.05 Gross profit is selling price minus purchase price. For net profit you also need to subtract the dispensing cost as well. You are planning to prepare 600 mL of 20% dextrose solution, by mixing your 5% and 50% dextrose solution. How much of each solution will be needed? A 350 mL of the 50% and 250 mL of the 5% B 300 mL of the 50% and 100 mL of the 5% C 200 mL of the 50% and 400 mL of the 5% D 300 mL of the 50% and 300 mL of the 5% (CORRECT ANSWER) - 200 mL of the 50% and 400 mL of the 5%