Answer to Question 1
1,2,4,5
Rationale 1: Dairy products can decrease the absorption of ciprofloxacin.
Rationale 2: Ciprofloxacin can increase serum levels of caffeine.
Rationale 3: Antacids can diminish drug absorption.
Rationale 4: Diarrhea can occur while taking ciprofloxacin.
Rationale 5: Ciprofloxacin may be administered with food to diminish adverse GI effects.
Global Rationale: Dairy products can decrease the absorption of ciprofloxacin. Ciprofloxacin can increase serum levels of caffeine. Diarrhea can occur while taking ciprofloxacin. Ciprofloxacin may be administered with food to diminish adverse GI effects. Antacids can diminish drug absorption.
Answer to Question 2
2,4
Rationale 1: Oxacillin is a penicillinase-resistant penicillin.
Rationale 2: Ampicillin is a broad-spectrum or aminopenicillin.
Rationale 3: Piperacillin is an extended-spectrum penicillin.
Rationale 4: Amoxicillin is a broad-spectrum or aminopenicillin.
Rationale 5: Dicloxacillin is a penicillinase-resistant penicillin.
Global Rationale: Ampicillin and amoxicillin are broad-spectrum or aminopenicillins. Oxacillin and dicloxacillin are penicillinase-resistant penicillins. Piperacillin is an extended-spectrum penicillin.