MSC ORT Final Exam 2026 300 Questions – Fractures, Fixation, Implants, TKA & THA Guide | Orthopedic Technology

This document contains approximately 300 exam-style questions with verified answers for the MSC Orthopedic (ORT) Final Exam. It covers a wide range of orthopedic topics including fracture types, bone healing, fixation methods (plates, screws, IM nails), joint replacement (TKA & THA), and biomaterials, as detailed across pages 1–43 of the document. The material provides a comprehensive and in-depth review of orthopedic trauma and surgical principles. It begins with foundational concepts such as fracture classifications (transverse, spiral, comminuted, greenstick), common fracture causes (e.g., falls and motor vehicle accidents as shown on page 1), and bone healing processes including hematoma formation, callus development, and remodeling phases (page 4). It also explores classification systems widely used in orthopedics such as AO, Neer (proximal humerus), Schatzker (tibial plateau), and Weber (ankle), ensuring strong theoretical grounding for exam preparation. Additionally, the guide delivers detailed coverage of fixation techniques, including Open Reduction Internal Fixation (ORIF), screw mechanics (cortical vs cancellous, lag screws), plating systems (locking vs non-locking plates), and intramedullary (IM) nailing procedures. It explains when each method is indicated, along with advantages, complications, and biomechanical principles such as compression, tension banding, and load sharing. The document also highlights implant materials like titanium, stainless steel, cobalt chrome, ceramics, and polyethylene, including their properties, biocompatibility, and clinical applications. A major portion of the content focuses on joint reconstruction, particularly Total Knee Arthroplasty (TKA) and Total Hip Arthroplasty (THA). It covers knee anatomy, biomechanics (mechanical vs anatomical axis), ligament function (MCL, LCL), and surgical techniques such as medial parapatellar approach. It also explores implant designs (CR vs PS knees), causes of implant failure (infection, osteolysis, wear), and revision strategies. For hips, the guide includes templating, fixation methods (cemented vs press-fit), implant positioning (anteversion and abduction angles), and surgical approaches (anterior vs posterolateral). Furthermore, the document integrates diagnostic imaging knowledge, comparing X-ray, CT, MRI, and DEXA scans, and explains their clinical relevance in orthopedic diagnosis and treatment planning (e.g., CT for complex fractures and MRI for soft tissue injuries, as noted on page 6). It also addresses orthopedic pathology such as osteoarthritis and rheumatoid arthritis, including risk factors, progression, and clinical signs. This study guide is closely aligned with orthopedic technology and surgical training materials commonly used in clinical education and exam preparation, particularly in programs focusing on orthopedic surgery support, trauma care, and implant systems. This document is highly relevant for students and professionals enrolled in: Orthopedic technology (ORT) programs Surgical technology and operating room training Medical device and orthopedic sales training Nursing and physician assistant (PA) programs Medical and allied health sciences programs It is especially useful for orthopedic students, surgical technologists, medical device representatives, and healthcare professionals preparing for final exams or aiming to strengthen their knowledge of orthopedic trauma, implants, and joint replacement procedures. Keywords: orthopedic exam, fractures, bone healing, AO classification, ORIF, intramedullary nail, plates and screws, locking plate, cancellous screw, total knee arthroplasty, TKA, total hip arthroplasty, THA, implant materials, osteoarthritis, rheumatoid arthritis