UNIT 02 MODULE 03: INTERMEDIATE DOSAGE CALCULATION DETERMINING AND CALCULATING THE UNKNOWN

Solve for the unknown in the following problem as indicated. There is 90 mL of D5 0.33% NS left in an IV that is infusing at 60 microgtt/min. The drop factor is 60 gtt/mL. How many hours will the fluid last? (Enter numeric value only.) a . ________hours b. _________minutes

(a) 1 hr (b) 30 min

Order: Lasix 120 mg IV stat. Available: 10 mg per mL. The literature states IV not to exceed 40 mg/min. (Enter numeric value only.) a. How many milliliters will you prepare? mL b. Calculate the time required to administer the medication as ordered.

(a) 12 mL (b) 3

An IV of D5W 1,000 mL was ordered to infuse over 8 hr at a rate of 42 gtt/min (42 macrogtt/min). Drop factor: 20 gtt/mL After 4 hr, you notice that only 400 mL has infused. Recalculate the rate in gtt/min for the remaining solution. (Enter numeric value only.)

(a) 150 mL/hr (b) 50 gtt/min

The doctor orders 2.5 L of D5W to infuse at 150 mL/hr. Determine the infusion time. (Enter numeric value only.)

(a) 16 hr (b) 40 min

Solve for the unknown in the following problem as indicated. You find that there is 150 mL of D5W left in an IV. The IV is infusing at 60 microgtt/min. How many hours will the fluid last? (Enter numeric value only.) a. hours b. minutes

(a) 2 hours (b) 30 min

An IV of D5W 500 mL was ordered to infuse over 10 hr at a rate of 13 gtt/min (13 macrogtt/min). Drop factor: 15 gtt/mL After 3 hr, you notice that 300 mL of IV solution is left. Recalculate the rate in gtt/min for the remaining solution. (Enter numeric value only.)

(a) 43 mL/hr (b) 11 gtt/min

50 mL of 0.9% NS with 1 g ampicillin is infusing at 50 microgtt/min (50 gtt/min). Drop factor: 60 gtt/mL Determine the infusion time.

1 hour

Order: Humulin regular U-100 11 units/hr. The IV solution contains 100 units of Humulin regular insulin in 100 mL of 0.9% NS. At what rate in mL/hr should the IV infuse?

11 mL/hr

Order: Infuse Vancomycin 1 g in 200 mL D5W over 90 min by infusion pump. (Enter numeric value only.)

133 mL/hr

Solve the following problems using the steps indicated. Order: 15 mEq of potassium chloride in 1,000 mL of D5 ½ NS to be administered at a rate of 2 mEq/hr. many mL/hr should the IV infuse at?

133 mL/hr

Order: Infuse Cefazolin 1 g in 100 mL 0.9% NS over 40 min by infusion pump. (Enter numeric value only.)

150 mL/hr

Order: Humulin regular 7 units/hr. The IV solution contains 50 units of Humulin regular insulin in 250 mL of 0.9% NS. At what rate in mL/hr should the IV infuse? mL/hr

35 mL/hr

A volume of 150 mL of NS is to infuse at 25 mL/hr. a. Calculate the infusion time. ______hours (Enter numeric value only.) The IV was started at 3:10 am. b. What time will the IV be completed? State time in military time.

6 hours 0910

Infuse ampicillin 1 g that has been diluted in 40 mL 0.9% NS to infuse in 40 minutes. Drop factor: 60 gtt/mL At what rate in gtt/min should the IV infuse? gtt/min (Enter numeric value only.)

60 gtt/min

Solve for the unknown in the following problem as indicated. 0.9% NS is infusing at 35 macrogtt/min. The drop factor is 15 gtt/mL. How many milliliters of fluid will the client receive in 5 hours? (Enter numeric value only.)

700 mL

For each of the problems, recalculate the IV flow rates in gtt/min rates using either method presented. 500 mL D5 0.9% NS to infuse in 5 hr at 100 gtt/min (100 microgtt/min). After 2 hr, 250 mL has infused. Drop factor: 60 gtt/mL. (Enter numeric value only.)

83 gtt/min

10 mEq of potassium chloride is placed in 500 mL of D5W to be administered at the rate of 2 mEq/hr. At what rate in mL/hr should the IV infuse? mL/hr

100 mL/hr

Order: Humulin regular 20 units per hr. The IV solution contains 100 units of Humulin Regular in 500 mL of 0.9% NS. (Enter numeric value only.) At what rate in mL/hr should the IV infuse?

100 mL/hr

500 mL RL is to infuse at a rate of 80 mL/hr. If the IV was started at 7 pm. What time will the IV be completed? State in traditional time. ______AM State time in military time: _______

1:15 AM 0115

An IV of 500 mL D5W with 200 mg of minocycline is to infuse in 6 hr. (Enter numeric value only.) Drop factor: 15 gtt/mL

21 gtt/min

Recalculate the IV flow rates in gtt/min rates using either method presented. 500 mL of 0.9% NS was ordered to infuse in 8 hr at the rate of 16 gtt/min (16 macrogtt/min). The drop factor is 15 gtt/mL. After 5 hr, you find 250 mL of fluid left. (Enter numeric value only.)

21 gtt/min

Infuse gentamicin 65 mg in 150 mL 0.9% NS IVPB over 1 hr. Drop factor: 10 gtt/mL At what rate in gtt/min should the IV infuse?

25 gtt/min

500 mL D5W with 30,000 units of heparin to infuse at 1,500 units per hour. (Enter numeric value only.) Determine rate in mL/hr.

25 mL/hr

For each of the problems, recalculate the IV flow rates in gtt/min rates using either method presented. 250 mL of D5W was to infuse in 3 hr at the rate of 21 gtt/min (21 macrogtt/min). Drop factor: 15 gtt/mL. With 1½ hr remaining, you find 200 mL left. (Enter numeric value only.)

33 gtt/min

For each of the problems, recalculate the IV flow rates in gtt/min rates using either method presented. 1,000 mL D5 0.33% NS was to infuse in 12 hr at 28 gtt/min (28 macrogtt/min). After 4 hr, 250 mL has infused. Drop factor: 20 gtt/mL. (Enter numeric value only.)

31 gtt/min

Solve the following problems using the steps indicated. Order: 10 units of Humulin regular insulin per hour. 50 units of insulin is placed in 250 mL NS. How many mL/hr should the IV infuse at? (Enter numeric value only.)

50 mL/hr

ACTIVITY 2

DC101.02.03.01

ACTIVITY 3

DC101.02.03.02

ACTIVITY 1

DC101.02.03.03