1. A vial containing 1 gram of medication has to be reconstituted to a 2.5% solution (w/v).
What volume of diluent is needed and what concentration willresult?
a) 25 mL, resulting in a concentration of 4 mg/mL
b) 40 mL, resulting in a concentration of 2.5 mg/mL
c) 40 mL, resulting in a concentration of 4 mg/mL
d) 40 mL, resulting in a concentration of 25 mg/mL
Answer: d) 40 mL, resulting in aconcentration of 25 mg/mL
2. How many grams ofsodium chloride should be dissolved in a 1.5 L of waterto make a 12%
solution?
a) 1.8 g
b) 18 g
c) 180 g
d) 1800 g
Answer: c) 180 g
3. If a horse is given 825 mL of a 10% solution of guaifenesin, the amount ingrams of
guaifenesin given is:
a) 0.825 g
b) 8.25 g
c) 82.5 g
d) 825 g
Answer: c) 82.5 g
4. A vial of penicillin contains 2,000,000 units of the dry drug. To make the penicillin into a
solution that contains 400,000 units/mL, how much diluent isneeded?
a) 2 mL
b) 4 mL
c) 5 mL
d) 10 mL
Answer: C) 5 mL
5. Metoclopramide belongs to which class of drugs?
a) antiemetic
b) anti-infective agent
c) nonsteroidal anti-inflammatory agent
d) muscle relaxant
Answer: a) antiemetic
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