Adult Hip Reconstruction & Arthroplasty MCQs | Ortho Board

Question 1

A 65-year-old female presents for her 6-week postoperative visit following a right total hip arthroplasty. She complains of a persistent limp. On physical examination, she demonstrates a positive Trendelenburg sign on the right. Radiographs reveal th

Accepted Answer

Increased joint reaction force

Question 2

A 58-year-old male is undergoing a primary total hip arthroplasty via a direct anterior approach. During the superficial dissection, the surgeon develops the internervous plane and encounters a leash of vessels crossing the surgical field transversel

Accepted Answer

Tensor fasciae latae

Question 3

A 45-year-old highly active male underwent a total hip arthroplasty utilizing a ceramic-on-ceramic bearing surface. Two years postoperatively, he presents complaining of an audible squeaking sound coming from his hip when he walks, particularly when

Accepted Answer

Component malpositioning leading to edge loading

Question 4

A 62-year-old female presents with groin pain one year after an uncomplicated primary total hip arthroplasty. The pain is exacerbated when she actively lifts her leg to get into a car or bed. On examination, resisted active hip flexion reproduces her

Accepted Answer

Corticosteroid injection into the iliopsoas bursa

Question 5

A 70-year-old male presents with new-onset right hip pain 3 years after a total hip arthroplasty. He denies any recent illness or trauma. His ESR is 45 mm/hr (normal <20) and CRP is 2.5 mg/dL (normal <1.0). A diagnostic hip aspiration yields cloudy f

Accepted Answer

Two-stage exchange arthroplasty

Question 6

A 78-year-old female sustains a fall 5 years after a primary total hip arthroplasty. Radiographs reveal a periprosthetic fracture of the femur. The fracture line extends from just distal to the lesser trochanter to the tip of the femoral stem. The st

Accepted Answer

Vancouver B2; Revision to a long fully porous-coated or fluted tapered stem

Question 7

A 68-year-old male sustains a posterior dislocation of his total hip arthroplasty 6 weeks postoperatively while bending over to tie his shoes. Closed reduction is successful in the emergency department. Post-reduction radiographs and a CT scan reveal

Accepted Answer

Insufficient acetabular anteversion

Question 8

A 60-year-old male returns for a routine 5-year follow-up after a primary total hip arthroplasty utilizing an extensively porous-coated, diaphyseal-fitting cylindrical femoral stem. He is asymptomatic. Radiographs demonstrate significant osteopenia o

Accepted Answer

Adaptive bone remodeling due to load bypass

Question 9

A 55-year-old male presents with progressive groin pain and a palpable anterior thigh mass 6 years after a metal-on-polyethylene total hip arthroplasty. The implant utilizes a large-diameter modular cobalt-chromium head on a titanium alloy stem. Radi

Accepted Answer

Mechanically assisted crevice corrosion at the head-neck taper

Question 10

A 65-year-old female presents with thigh pain 15 years after a primary total hip arthroplasty. Radiographs demonstrate a well-fixed femoral stem with a large, eccentric, scalloped radiolucent lesion in the greater trochanter and proximal diaphysis. W

Accepted Answer

Macrophage

Orthopaedic Surgery Board Exam Review: ABOS Part I & AAOS OITE Prep Questions | Part 22210

Adult Hip Reconstruction & Arthroplasty MCQs | Ortho Board