PTCB Exam 500+ Questions Pharmacy Calculations Drug Knowledge Study Guide 2026

This document contains a comprehensive collection of over 500 multiple-choice questions with verified answers for the PTCB (Pharmacy Technician Certification Board) exam, covering pharmacy calculations, drug knowledge, abbreviations, and pharmacy law. It serves as a complete and structured test bank designed to prepare students for certification and real-world pharmacy practice. The material provides in-depth coverage of core pharmacy concepts, including prescription vs. medication orders, DEA number validation, and legal requirements for prescription processing (pages 1–6). It also explains key pharmacy abbreviations such as qHS, DAW, NS, and a.m., which are essential for interpreting prescriptions accurately and safely in clinical and retail settings. These foundational concepts are critical for exam success and professional competency. In addition, the document includes extensive pharmacy calculations, such as dosage conversions, IV flow rates, percentage concentrations, and body surface area (BSA) calculations (pages 14–22). For example, it demonstrates how to calculate medication dosages based on patient weight and concentration ratios, as well as unit conversions between Fahrenheit and Celsius. These problem-solving sections are essential for mastering the mathematical skills required in pharmacy practice. The guide also covers pharmacology and drug knowledge, including brand and generic drug names (e.g., Lipitor/atorvastatin, Advair/fluticasone-salmeterol), drug classifications, and common side effects (pages 23–26). It highlights therapeutic uses of medications such as ACE inhibitors for hypertension and addresses safety considerations like drug interactions and contraindications. This ensures a strong understanding of medications commonly encountered in pharmacy settings. Furthermore, the document explores pharmacy operations and regulations, including inventory systems, drug recalls, labeling requirements, and compounding responsibilities (pages 27–30). It also emphasizes the role of regulatory agencies such as the FDA, DEA, and CDC, and outlines professional boundaries for pharmacy technicians, such as when to refer clinical questions to a pharmacist. This resource is particularly useful for: Students preparing for the PTCB certification exam Pharmacy technician trainees and professionals Students in pharmacy, healthcare, or medical assisting programs Individuals seeking strong foundations in pharmacology and pharmacy calculations The content aligns closely with standard references such as “Mosby’s Pharmacy Technician Exam Review” and official PTCB exam frameworks, making it highly effective for both exam preparation and practical application in pharmacy settings. Keywords: ptcb exam, pharmacy technician, pharmacy calculations, drug abbreviations, dea number, prescription processing, iv calculations, dosage calculations, pharmacology, brand generic drugs, pharmacy law, inventory management, drug interactions, pharmacy practice, exam questions