Pharmacy Practice Flashcards

A patient presents a prescription for warfarin 5 mg tablets. Which lab value must be monitored to assess therapeutic effect?

Answer: INR

INR (International Normalized Ratio) is the standard monitoring parameter for warfarin anticoagulation therapy.

A pharmacy receives a DEA Form 222 to order Schedule II controlled substances. How many copies does this form have?

Answer: 3

DEA Form 222 is a triplicate form with 3 copies: Copy 1 and 2 go to the supplier and DEA, Copy 3 is retained by the purchaser.

Which auxiliary label is MOST important to include on a prescription for metronidazole?

Answer: Avoid alcohol

Metronidazole causes a disulfiram-like reaction with alcohol, making an 'Avoid alcohol' label essential.

A patient with a sulfa allergy asks about safety of taking hydrochlorothiazide. What is the pharmacist's BEST response?

Answer: Use with caution as cross-reactivity with sulfonamides is possible

Hydrochlorothiazide contains a sulfonamide moiety; potential cross-reactivity with sulfa allergy warrants caution and clinical assessment.

Which medication requires a REMS program due to risk of teratogenicity?

Answer: Isotretinoin

Isotretinoin is managed under the iPLEDGE REMS program because it causes severe birth defects.

A pharmacist is counseling a patient on proper use of a metered-dose inhaler (MDI). What should the patient do immediately after inhaling the medication?

Answer: Hold breath for 10 seconds

Holding the breath for 10 seconds after inhalation allows the medication to deposit in the lungs before exhaling.

Under HIPAA, which entity is considered a 'covered entity'?

Answer: A community pharmacy

Community pharmacies are covered entities under HIPAA because they transmit health information electronically for standard transactions.