PTCB 90 Question Practice Test Free | Online Test Series

Warfarin is an anticoagulant that increases the risk of bleeding. Patients must avoid activities that may cause injury and report any signs of excessive bruising, bleeding gums, or unusual bleeding to their healthcare provider.

Schedule II controlled substances cannot be refilled. A new, valid prescription is required for each fill. This strict rule helps prevent abuse and diversion.

High-alert medications, like insulin or anticoagulants, have a higher risk of causing significant harm. Independent double-checks help ensure accuracy in preparation and administration, improving patient safety.

q8h means every 8 hours → 3 doses per day. 3 doses/day × 10 days = 30 doses.

1.5 grams = 1500 mg → 1500 mg ÷ 500 mg/tablet = 3 tablets.

Loratadine is a second-generation antihistamine commonly used to treat allergic rhinitis and urticaria. It works by blocking histamine receptors.

Schedule III and IV substances may be refilled up to 5 times in a 6-month period. After that, a new prescription is required.

Celebrex (Celecoxib) is an anti-inflammatory, while Celexa (Citalopram) is an antidepressant. Their similar appearance and sound could cause dispensing errors, hence requiring extra care.

"gtt" is derived from Latin "gutta," meaning drop. It’s used to describe doses of liquid medications, especially eye or ear drops.

60 mL/hour × 24 hours = 1440 mL.