Hip and knee replacements MCQs (arthroplasty)

By: Prof. Dr. Fazal Rehman | Last updated: September 28, 2024

What is hip arthroplasty? A. A surgical procedure to repair a fractured hip B. A surgical procedure to replace the hip joint C. A procedure to stabilize the hip ligaments D. A method of injecting medication into the hip joint Answer: B. A surgical procedure to replace the hip joint What is the primary indication for knee arthroplasty? A. Osteoporosis B. Rheumatoid arthritis C. Severe osteoarthritis D. Fractures Answer: C. Severe osteoarthritis What type of implant is commonly used in hip replacements? A. Total hip prosthesis B. Partial hip prosthesis C. Hip resurfacing implant D. All of the above Answer: D. All of the above What is a common risk associated with hip and knee replacement surgeries? A. Infection B. Improved range of motion C. Enhanced bone density D. Decreased pain Answer: A. Infection What is the most common reason for knee replacement surgery? A. Meniscus tears B. Fractures C. Joint pain and dysfunction D. Muscle strains Answer: C. Joint pain and dysfunction What type of anesthesia is often used during hip replacement surgery? A. General anesthesia B. Local anesthesia C. Spinal anesthesia D. Sedation only Answer: A. General anesthesia What is a common post-operative complication of knee arthroplasty? A. Blood clots B. Increased range of motion C. Improved strength D. Enhanced balance Answer: A. Blood clots How long is the typical recovery time after hip replacement surgery? A. 2-4 weeks B. 4-6 weeks C. 6-12 weeks D. 3-6 months Answer: C. 6-12 weeks What is the primary goal of hip and knee arthroplasty? A. To cure underlying diseases B. To relieve pain and restore function C. To improve athletic performance D. To enhance bone density Answer: B. To relieve pain and restore function What is one of the most common types of knee replacement? A. Unicompartmental knee replacement B. Total knee replacement C. Partial knee replacement D. Revision knee replacement Answer: B. Total knee replacement What is the role of physical therapy after hip or knee replacement? A. To reduce the risk of infection B. To restore strength and mobility C. To eliminate all pain D. To prevent further surgeries Answer: B. To restore strength and mobility Which imaging study is typically used to assess the need for hip or knee replacement? A. MRI B. X-ray C. Ultrasound D. CT scan Answer: B. X-ray What is a common contraindication for knee replacement surgery? A. Advanced age B. Obesity C. Infection at the surgical site D. Previous knee surgeries Answer: C. Infection at the surgical site What material is often used for hip and knee prostheses? A. Plastic B. Metal alloys C. Ceramic D. All of the above Answer: D. All of the above What is the typical hospital stay after a hip or knee replacement surgery? A. 1-2 days B. 3-5 days C. 5-7 days D. 1 week Answer: B. 3-5 days What is a key component of post-operative care for hip and knee replacements? A. Immediate full weight-bearing B. Pain management C. Complete immobilization D. Intensive strength training Answer: B. Pain management What is the primary reason for revision surgery after hip or knee replacement? A. Hardware failure B. Infection C. Loosening of the implant D. All of the above Answer: D. All of the above Which patient population is most likely to undergo knee arthroplasty? A. Young athletes B. Elderly individuals C. Children D. Individuals with acute injuries Answer: B. Elderly individuals What lifestyle change is often recommended after joint replacement surgery? A. Increased sedentary behavior B. Regular low-impact exercise C. High-impact sports D. None of the above Answer: B. Regular low-impact exercise What is the primary function of a knee implant? A. To replace the knee ligaments B. To mimic the natural knee joint C. To stabilize the knee muscles D. To enhance knee flexibility Answer: B. To mimic the natural knee joint What is one potential long-term complication of joint replacement surgery? A. Osteoporosis B. Joint stiffness C. Joint hypermobility D. Reduced muscle strength Answer: B. Joint stiffness What is the primary focus of rehabilitation following hip or knee replacement? A. Strengthening surrounding muscles B. Complete rest C. Intensive cardio workouts D. Avoiding movement Answer: A. Strengthening surrounding muscles Which activity is generally discouraged in the early recovery phase after hip or knee replacement? A. Walking B. High-impact sports C. Range of motion exercises D. Light stretching Answer: B. High-impact sports What is a common early sign of infection after joint replacement surgery? A. Swelling around the incision B. Increased mobility C. Decreased pain D. Improved range of motion Answer: A. Swelling around the incision Which medication is commonly prescribed post-operatively after joint replacement surgery? A. Antibiotics B. Antidepressants C. Statins D. Antihypertensives Answer: A. Antibiotics What is the importance of anticoagulants after hip or knee replacement? A. To reduce swelling B. To prevent blood clots C. To relieve pain D. To improve range of motion Answer: B. To prevent blood clots What is a common outcome of successful hip or knee arthroplasty? A. Decreased pain and improved function B. Increased need for physical therapy C. Worsening joint stiffness D. Higher risk of re-injury Answer: A. Decreased pain and improved function What is a typical follow-up schedule after hip or knee replacement surgery? A. Every week for the first month B. Every 6 months C. Monthly for the first year D. Annually Answer: C. Monthly for the first year What is the term for replacement of only one part of the knee joint? A. Total knee replacement B. Unicompartmental knee replacement C. Partial knee replacement D. Revision knee replacement Answer: B. Unicompartmental knee replacement What is a significant benefit of minimally invasive surgery for joint replacements? A. Shorter recovery time B. Increased pain C. Greater risk of complications D. Longer hospital stay Answer: A. Shorter recovery time What is the function of a physical therapist in post-operative care? A. To perform the surgery B. To develop a rehabilitation plan C. To prescribe medications D. To manage pre-operative assessments Answer: B. To develop a rehabilitation plan What is the usual age range for patients undergoing hip replacement surgery? A. 20-30 years B. 30-50 years C. 50-80 years D. 80-100 years Answer: C. 50-80 years What type of joint is replaced in a total hip arthroplasty? A. Synovial joint B. Fibrous joint C. Cartilaginous joint D. Ball-and-socket joint Answer: D. Ball-and-socket joint What is a common reason for knee pain after knee replacement surgery? A. Healing process B. Inadequate surgical technique C. Implant failure D. All of the above Answer: A. Healing process What is a common postoperative exercise for hip replacement patients? A. Squats B. Leg lifts C. High jumps D. Running Answer: B. Leg lifts What is the purpose of using ice packs after joint replacement surgery? A. To improve circulation B. To reduce swelling and pain C. To increase mobility D. To prevent blood clots Answer: B. To reduce swelling and pain What is a common myth about hip and knee replacement surgeries? A. They are only for elderly patients B. They can provide significant pain relief C. Recovery is quick D. They are safe procedures Answer: A. They are only for elderly patients What is the purpose of joint replacement surgery? A. To eliminate arthritis B. To restore mobility and reduce pain C. To cure all joint diseases D. To prevent future surgeries Answer: B. To restore mobility and reduce pain What is the recommended weight-bearing status immediately after knee arthroplasty? A. Full weight-bearing B. Partial weight-bearing C. No weight-bearing D. Weight-bearing as tolerated Answer: D. Weight-bearing as tolerated What is one of the most important considerations before undergoing knee or hip replacement? A. Financial status B. Patient’s overall health C. Surgeon’s experience D. Location of the hospital Answer: B. Patient’s overall health What is the primary goal of pre-operative education for patients undergoing arthroplasty? A. To teach surgical techniques B. To prepare patients for recovery C. To eliminate all pain D. To avoid the surgery Answer: B. To prepare patients for recovery What is a common indication for a hip replacement in younger patients? A. Trauma B. Osteoarthritis C. Congenital hip dysplasia D. Rheumatoid arthritis Answer: C. Congenital hip dysplasia What type of imaging is commonly used to evaluate the status of a hip or knee implant? A. MRI B. X-ray C. CT scan D. Ultrasound Answer: B. X-ray What is a common cause of implant failure in joint replacement surgeries? A. Infection B. Overuse C. Normal wear and tear D. All of the above Answer: D. All of the above What is a significant benefit of participating in a prehabilitation program before surgery? A. It reduces the need for surgery B. It speeds up recovery post-surgery C. It eliminates pain D. It guarantees a successful surgery Answer: B. It speeds up recovery post-surgery What is the main advantage of minimally invasive knee replacement surgery? A. Less postoperative pain and faster recovery B. More extensive surgical trauma C. Longer hospital stay D. Higher risk of complications Answer: A. Less postoperative pain and faster recovery What is the term for the condition where the implant loosens from the bone? A. Osteolysis B. Implant migration C. Aseptic loosening D. Joint instability Answer: C. Aseptic loosening What should patients avoid doing for several weeks after knee replacement surgery? A. Walking B. Bending the knee excessively C. Performing low-impact exercises D. Using crutches Answer: B. Bending the knee excessively What is one of the primary reasons for conducting a pre-operative assessment before joint replacement? A. To decide the implant type B. To assess overall health and risks C. To choose the surgeon D. To determine the length of hospital stay Answer: B. To assess overall health and risks What is a common postoperative recommendation for hip replacement patients? A. Avoiding all physical activity B. Gradually increasing activity levels C. Engaging in high-impact sports D. Lifting heavy weights Answer: B. Gradually increasing activity levels What is an important sign of a successful hip or knee replacement surgery? A. Complete pain relief B. Improved function and mobility C. No need for physical therapy D. Immediate return to sports Answer: B. Improved function and mobility  
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