Question

Calculate the following problems:

1. Ordered: estrogen 2.5mg

Available: estrogen 5mg/mL

2. Ordered: Demerol 75mg

Available: Demerol 50mg/mL

3. Ordered: Penicillin 1,200,000 Units

Available: Penicillin 600,000 Units/mL

4. Ordered: ampicillin 1 Gram IM

Available: ampicillin 2 Grams/1.8 mL

5. Ordered: furosemide 2 mg

Available: furosemide 10 mg/mL

Answer 1

Calculate the administering dose for the following:

1.Formula:

D (Desired dose)

--------------------------   X V (Vehicle: Tablet/liquid)

H (Available dose)

D2.5 mg

--------------------------   X 1 ml

5 mg

The dose should be administered: 0.5 ml

2.Formula:

D (Desired dose)

--------------------------   X V (Vehicle: Tablet/liquid)

H (Available dose)

75 mg

--------------------------   X ml

50 mg

The dose should be administered: 1.5 ml

3.Formula:

D (Desired dose)

--------------------------   X V (Vehicle: Tablet/liquid)

H (Available dose)

1,200,000

--------------------------   X V ml

600,000

The dose should be administered: 2 ml

4.Formula:

D (Desired dose)

--------------------------   X V (Vehicle: Tablet/liquid)

H (Available dose)

1 gm

--------------------------   X 1.8 ml

2 gm

The dose should be administered: 0.9 ml

5.Formula:

D (Desired dose)

--------------------------   X V (Vehicle: Tablet/liquid)

H (Available dose)

2 mg

--------------------------   X ml

10 mg

The dose should be administered: 0.2 ml