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Certification Ultimate Exam
Question 1. Which of the following is the most common primary site for osteoarthritis in the elderly? A) Shoulder B) Hip C) Knee D) Elbow Answer: C Explanation: Knee osteoarthritis is the most prevalent form of primary OA in older adults, often leading to pain, stiffness, and functional limitation. Question 2. In secondary osteoarthritis, which factor is most frequently implicated? A) Aging B) Obesity C) Prior joint trauma D) Female sex Answer: C Explanation: Secondary OA typically follows joint injury, such as fractures or ligament tears, that alter joint mechanics. Question 3. Which radiographic finding is characteristic of osteoarthritis of the knee? A) Subchondral sclerosis B) Lytic lesions C. Periosteal reaction D) Joint space widening Answer: A
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Explanation: Subchondral sclerosis, osteophyte formation, and joint space narrowing are classic OA radiographic signs. Question 4. A patient scheduled for total hip arthroplasty via the anterior approach should be instructed to avoid which movement post-operatively? A) Hip flexion beyond 90° B) Hip extension beyond neutral C) Hip adduction across the midline D) Hip external rotation >30° Answer: C Explanation: The anterior approach places the gluteus medius and capsule at risk; crossing the legs (adduction) can dislocate the prosthesis. Question 5. Which of the following is a contraindication for using a posterior approach in total hip replacement? A) Severe osteoporosis B) Prior posterior spinal fusion C) Obesity (BMI >40) D) Pre-existing sciatic nerve palsy Answer: D Explanation: A pre-existing sciatic nerve injury increases the risk of further nerve damage during posterior dissection. Question 6. In total knee arthroplasty, the “measured resection” technique primarily relies on which intra-operative tool? A) Navigation system B) Intramedullary rod
Certification Ultimate Exam
Question 9. Which of the following is the gold-standard imaging modality for diagnosing a suspected cervical disc herniation? A) Plain radiograph B) CT scan C) MRI D) Bone scan Answer: C Explanation: MRI provides detailed visualization of soft tissues, including disc material and nerve roots. Question 10. During an anterior cervical discectomy and fusion (ACDF), which structure must be protected to prevent dysphagia? A) Recurrent laryngeal nerve B) Esophagus C) Carotid artery D) Thoracic duct Answer: B Explanation: Retraction of the esophagus can cause postoperative dysphagia; careful handling minimizes this risk. Question 11. Which of the following best describes a “closed” fracture? A) Bone fragments protrude through the skin B) No communication with the external environment C) Requires surgical fixation D. Associated with severe soft-tissue injury Answer: B
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Explanation: Closed fractures are contained within the body without an open wound. Question 12. A 23-year-old male sustains a comminuted mid-shaft femur fracture after a motor-vehicle collision. The most appropriate initial immobilization is: A) Long leg cast B) Skeletal traction C) Immediate ORIF D. Pelvic binder Answer: B Explanation: Skeletal traction (e.g., with a distal femoral pin) stabilizes the fracture and aligns the limb before definitive fixation. Question 13. Which classification system is commonly used for open fractures? A) Gustilo-Anderson B) Salter-Harris C) AO/OTA D. Neer Answer: A Explanation: The Gustilo-Anderson classification grades open fractures based on wound size, contamination, and soft-tissue injury. Question 14. In a patient with a distal radius fracture managed with a volar cast, the nurse should monitor for which sign indicating compartment syndrome? A) Increased capillary refill time B) Warmth of the hand
Certification Ultimate Exam
Question 17. Which type of traction is indicated for a pediatric cervical spine fracture? A) Gardner-Wells skull traction B) Buck’s traction C. Halo vest traction D. Femoral skeletal traction Answer: C Explanation: The halo vest provides rigid immobilization of the cervical spine in children. Question 18. In ACL reconstruction, the most common graft source is: A) Patellar tendon autograft B) Hamstring tendon autograft C) Allograft Achilles tendon D. Synthetic ligament Answer: A Explanation: The bone-patellar tendon-bone autograft is widely used due to its high strength and bone-to-bone healing. Question 19. Post-operative care for an MCL repair primarily includes which precaution? A) Immediate full weight-bearing B. Knee immobilizer locked in extension for 2 weeks C) Early aggressive range-of-motion exercises D. Use of a hinged knee brace locked at 30° flexion for 6 weeks Answer: D
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Explanation: A hinged brace limits valgus stress while allowing controlled flexion, protecting the healing MCL. Question 20. Which clinical finding differentiates a meniscal tear from an ACL tear? A) Positive Lachman test B) Joint line tenderness C. Posterior drawer sign D. Anterior tibial translation Answer: B Explanation: Joint line tenderness is classic for meniscal pathology, whereas ACL injuries present with laxity tests. Question 21. A patient with a repaired rotator cuff tear is placed in a sling. Which position should be avoided to protect the repair? A) Shoulder abduction to 30° B) Passive external rotation beyond neutral C) Gentle pendulum exercises D) Scapular retraction Answer: B Explanation: Excessive external rotation stresses the repaired tendon and may lead to failure. Question 22. In an Achilles tendon rupture, the “squeeze test” involves: A) Squeezing the calf muscle to elicit pain at the tendon insertion B) Compressing the forefoot to assess plantar flexion strength C. Palpating the tendon while the patient dorsiflexes
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C) Synovial fluid needle-shaped crystals under polarized light D. CRP Answer: C Explanation: Identification of monosodium urate crystals in synovial fluid confirms gout. Question 26. In pseudogout, the crystals observed under polarized light are: A) Negatively birefringent, rhomboid shaped B) Positively birefringent, needle shaped C) Negatively birefringent, needle shaped D. Positively birefringent, rhomboid shaped Answer: D Explanation: Calcium pyrophosphate dihydrate crystals are positively birefringent and rhomboid. Question 27. Which medication class is first-line for chronic management of osteoporosis? A) Calcium supplements alone B) Bisphosphonates C) NSAIDs D. Corticosteroids Answer: B Explanation: Bisphosphonates inhibit osteoclast-mediated bone resorption and are the cornerstone of osteoporosis therapy.
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Question 28. The DEXA scan T-score threshold for diagnosing osteoporosis in post-menopausal women is: A) –1. B) –1. C) –2. D. –3. Answer: C Explanation: A T-score ≤ – 2.5 indicates osteoporosis. Question 29. Which of the following is a common side effect of long-term bisphosphonate therapy? A. Hypercalcemia B) Osteonecrosis of the jaw C. Increased bone turnover D. Hypophosphatemia Answer: B Explanation: Osteonecrosis of the jaw can occur, especially after dental extractions. Question 30. Paget’s disease of bone is characterized by which radiographic pattern? A) “Cotton-wool” appearance of the skull B) Lytic lesions in long bones C) Subchondral sclerosis D. Joint space widening Answer: A
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D. Lumbar vertebrae Answer: C Explanation: The sacroiliac joints are the primary sites of inflammation in AS, leading to eventual spinal fusion. Question 34. A patient with systemic lupus erythematosus presents with non-erosive arthritis. Which lab test is most specific for SLE? A) Anti-CCP antibody B) Rheumatoid factor C) Anti-dsDNA antibody D. ESR Answer: C Explanation: Anti-double stranded DNA antibodies are highly specific for SLE. Question 35. In pediatric developmental dysplasia of the hip (DDH), the most reliable physical exam maneuver is: A) Galeazzi sign B) Barlow-Ortolani maneuver C) Trendelenburg test D. McMurray test Answer: B Explanation: The Barlow-Ortolani maneuvers assess hip stability in newborns and infants. Question 36. Which brace is commonly used for treating adolescent idiopathic scoliosis with curves between 25°- 40 °?
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A) Milwaukee brace B) TLSO (thoracolumbosacral orthosis) C) HKAFO D. Cervical collar Answer: B Explanation: The TLSO is the standard nighttime/ daytime brace for moderate AIS curves. Question 37. The “SCFE” (slipped capital femoral epiphysis) is most frequently seen in: A) Elderly women with osteoporosis B) Overweight adolescents during growth spurts C. Infants with congenital hip dislocation D. Adults with rheumatoid arthritis Answer: B Explanation: Obesity and rapid growth increase shear forces across the proximal femoral physis, leading to SCFE. Question 38. In a patient with cerebral palsy undergoing orthopedic surgery, which postoperative complication requires the most vigilant monitoring? A) Hyperglycemia B) Deep vein thrombosis C) Aspiration pneumonia due to poor airway protection D. Acute renal failure Answer: C Explanation: CP patients often have dysphagia and limited cough, predisposing them to aspiration.
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Explanation: Pain disproportionate to the injury and pain on passive stretch are early indicators. Question 42. Fat embolism syndrome most commonly follows injury to which bone? A) Clavicle B. Long bones of the lower extremity (femur, tibia) C) Scapula D. Metacarpals Answer: B Explanation: Fractures of the femur or tibia release marrow fat into the circulation, leading to FES. Question 43. Which pharmacologic agent is most effective for preventing venous thromboembolism after total knee arthroplasty? A) Aspirin B) Low-molecular-weight heparin (enoxaparin) C. Warfarin D) Clopidogrel Answer: B Explanation: LMWH is commonly used for VTE prophylaxis in orthopedic surgery due to its efficacy and safety profile. Question 44. A patient with a new tibial fracture is placed on a posterior splint. Which assessment finding would indicate a developing compartment syndrome? A) Decreased distal pulses only B) Pain that is relieved by elevation
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C. Pain with passive dorsiflexion of the foot D. Normal capillary refill Answer: C Explanation: Pain on passive stretch of the muscles within the compartment is a key early sign. Question 45. In postoperative care after spinal fusion, the nurse should enforce which movement precaution? A) No shoulder abduction >45° B) Strict log-rolling technique for transfers C. Full active hip flexion as tolerated D. Unrestricted ambulation after POD 1 Answer: B Explanation: Log-rolling protects the surgical site and maintains spinal alignment. Question 46. Which of the following dietary recommendations is most important for a patient with osteoporosis? A) High-protein diet >150 g/day B) Calcium 1,200 mg and vitamin D 800–1,000 IU daily C. Low-fat diet only D. Sodium restriction <500 mg/day Answer: B Explanation: Adequate calcium and vitamin D intake are essential for bone health. Question 47. A patient with a new below-knee amputation expresses concern about body image. Which nursing intervention is most appropriate?
Certification Ultimate Exam
Question 50. A 68-year-old female with a recent total hip replacement is instructed to use a walker. Which safety instruction is essential? A) Walk with the walker on the opposite side of the surgical hip B) Keep the walker’s legs close together to reduce width C) Use the walker only on carpeted surfaces D. Place the walker on the operated side for support during gait Answer: D Explanation: The walker should be positioned on the side of the operative hip to provide support during weight-bearing. Question 51. Which laboratory value is most useful for monitoring the effectiveness of bisphosphonate therapy? A) Serum calcium B) Serum alkaline phosphatase C. Urinary N-telopeptide (NTX) D. Serum parathyroid hormone Answer: C Explanation: Decreased urinary NTX reflects reduced bone resorption, indicating treatment efficacy. Question 52. A patient with a cast for a distal radius fracture complains of increasing pain and swelling. The nurse notes the cast is tight and the fingers are cool. What is the priority action? A) Apply a cold pack over the cast B) Elevate the extremity and call the provider for cast removal C. Loosen the cast bandage yourself
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D. Reassure the patient that swelling is normal Answer: B Explanation: Signs of cast syndrome require prompt elevation and medical evaluation for possible cast removal. Question 53. Which of the following is the most appropriate pain management strategy for a patient with a recent total knee arthroplasty? A) High-dose opioid infusion alone B) Multimodal analgesia including NSAIDs, acetaminophen, and regional femoral nerve block C. Only patient-controlled analgesia (PCA) with morphine D. Sole reliance on ice therapy Answer: B Explanation: Multimodal analgesia reduces opioid requirements and improves pain control. Question 54. In a patient with a posterior cruciate ligament (PCL) repair, the nurse should restrict which activity during the first 6 weeks? A) Knee flexion beyond 90° B) Quadriceps strengthening C. Weight-bearing as tolerated D. Ankle pumps Answer: A Explanation: Excessive knee flexion places tension on the healing PCL graft. Question 55. Which of the following is a hallmark sign of avascular necrosis (AVN) of the femoral head on MRI?
