PTCB Practice Exam 1: Questions & Answers: Updated Solution

How long is a DEA Form 222 valid after it has been written? A. 72 hours B. 30 days C. 60 days D. 180 days (Ans- C. 60 days How many 500-mg doses can be prepared from a 10-g vial of cefazolin? A. 15 B. 20 C. 25 D. 50 (Ans- B. 20 How many inches inside a laminar airflow hood should one prepare a sterile product? A. 4 B. 6 C. 10 D. 12 (Ans- B. 6 A drug is available in the following strengths and dosage forms: 125-mg tablets, 250-mg capsules, and 125-mg/5 mL liquid. A child weighs 55 lb, and the recommended dose is 10 mg/kg/24 hr, which is to be given in either 6- or 12-hr intervals. Which of the following would not be an appropriate regimen? A. One 125 mg tablet every 12 hr B. One 250 mg capsule every 12 hr C. One teaspoon of 125 mg/5 mL liquid every 12 hr D. ½ of a 125 mg tablet every 6 hr (Ans- B. One 250 mg capsule every 12 hr