Hip and knee replacements MCQs (arthroplasty)

By: Prof. Dr. Fazal Rehman Shamil | 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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