Worksheets6: Reconstitution of Dry Powders
Total questions: 10
Worksheet time: 3hrs 30mins
The label of a 200-mL bottle of ampicillin 125 mg/5 mL directs you to add 158 mL of water. How much ampicillin is in the bottle?
2500 mg ampicillin in bottle
1750 mg ampicillin in bottle
5 g ampicillin in bottle
22.5 g ampicillin in bottle
The label of a 150-mL bottle of cefaclor 125 mg/5 mL directs you to add 111 mL of water. What is the dry powder volume of cefaclor in the bottle?
26 mL dry volume
39 mL dry volume
41 mL dry volume
52 mL dry volume
The label on a vial directs you to "add 7.8 mL of sterile water" to prepare a 10-mL "multidose" vial of a 100-mg/mL injection. What is the powder volume of the drug in this vial?
2 mL dry volume
2.2 mL dry volume
2.8 mL dry volume
3.2 mL dry volume
You are directed to reconstitute a vial of a drug. The label states that there are 10 million units of the drug in the bottle, and, when reconstituted, you will have an injection containing 500,000 units/mL. How many total milliliters will be in a reconstituted bottle? (the drug has a dry powder volume of 7 mL)
10 mL
15 mL
20 mL
25 mL
The label on a 600mg/15-mL bottle of azithromycin for oral suspension gives the following directions: Tap bottle to loosen powder, and add 9 mL of water. The dosage for a 28-lb child is 100 mg daily. How many milliliters would provide a 5-day regimen for this child?
10.5 mL
12.5 mL
22 mL
25 mL
A vial of antibiotic contains 1 gram of the drug, and the label directs you to add 3.6 mL of diluent. How many milliliters of the antibiotic would provide a 350-mg dose?
1.4 mL
1.8 mL
2.2 mL
3.2 mL
Amoxicillin and clavulanate potassium for oral suspension USP 400 mg/5 mL is available in a 75-mL bottle that requires 67 mL of water for reconstitution. Each teaspoonful of liquid will contain 400 mg amoxicillin and 57 mg clavulanic acid as the potassium salt. What volume is displaced by the dry powder?
4 mL
6 mL
8 mL
10 mL
Aztreonam for injection USP is supplied as single-dose, 15 mL capacity vials in two strengths: 1 g/vial and 2 g/vial. For bolus injection, the contents of a 15-mL-capacity vial should be constituted with 6 to 10 mL of sterile water. How many milligrams of aztreonam would be in the higher-strength vial if it was reconstituted with the highest recommended volume of sterile water for injection?
2000 mg
3000 mg
4000 mg
1000 mg
How much tetracycline is in a 150-mL bottle of tetracycline that says 250 mg/5mL on the label?
2500 mg tetracycline
5200 mg tetracycline
8200 mg tetracycline
7500 mg tetracycline
A bottle to tetracycline reads that you must add 117 mL of water to a 7.5 g bottle of tetracycline with a final volume of 150 mL. What is the powder volume of the tetracycline in the bottle?
17 mL powder volume
33 mL powder volume
52 mL powder volume
22 mL powder volume
