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Pediatric Quiz

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1 / 50

At what age does longitudinal growth usually arrest in boys at the distal femur physeal growth plate?

2 / 50

A 5-year-old boy sustains a midshaft femur fracture treated with closed reduction and hip spica casting. What is the most common complication of this fracture in this age group?

3 / 50

Residual cavus after surgical correction of a clubfoot deformity with comprehensive clubfoot release and pinning is caused by what technical error?

4 / 50

Which of the following conditions is associated with a mutation in fibroblast growth factor receptor-3 (FGFR3)?

5 / 50

Marfan syndrome is an autosomal dominant disorder which results from a defective gene encoding for:

6 / 50

A 4-year-old girl with an L3 myelomeningocele presents for routine follow-up. Pelvic radiographs reveal a complete dislocation of the left hip with well formed acetabulum, and a normal right hip. Her gait is symmetric with use of a walker and brace. Which of the treatment options should be offered to the patient at this time?

7 / 50

All of the following are associated with Marfan’s Syndrome EXCEPT?

8 / 50

A 6 year-old boy develops tenderness at the right heel and avoids putting weight on the right extremity after stepping on a nail 2 weeks ago while wearing tennis shoes. His mother notes that he has had a fever of 39.0. Calcaneal osteomyelitis caused by a puncture wound has an increased rate of which of the following compared to hematogenous osteomyelitis?

9 / 50

Distal femoral epiphyseal fractures are uncommon but have a high incidence of complications. In the treatment of these injuries, all of the following variables are associated with an increased incidence of complications EXCEPT:

10 / 50

Anterolateral tibial bowing is associated with which of the following lower extremity conditions in children?

11 / 50

Sequestrum is defined as which of the following?

12 / 50

A 3-year-old boy holds his elbow in a flexed and pronated position and refuses to use it after his mother caught him by the hand as he fell down some stairs. The child will not rotate the forearm and clenches his elbow. Radiographs are negative for fracture. What is the most appropriate course of action?

13 / 50

Southwick angle (epiphyseal-shaft angle) serves what purpose in the evaluation of a slipped capital femoral epiphysis (SCFE)?

14 / 50

What is the preferred treatment for newly diagnosed irreducible congenital vertical talus in a toddler?

15 / 50

A pediatric patient has just been diagnosed with osteomyelitis of the femur. All of the following are risk factors for the development of deep venous thrombosis EXCEPT?

16 / 50

Lateral forefoot and heel posts would be the appropriate orthotic for the foot deformities associated with which of the following conditions?

17 / 50

A 14-year-old male patient with a leg-length discrepancy undergoes a distal femoral and proximal tibial epiphysiodesis on the longer leg. What is the anticipated amount of correction achieved with this procedure in this child?

18 / 50

The Evans lateral calcaneal lengthening osteotomy is the surgical procedure most appropriate for which pediatric foot deformity?

19 / 50

What is the second most common presenting sign of child abuse?

20 / 50

Child abuse should be suspected in an isolated spiral femur fracture of a child in which of the following situations?

21 / 50

An 11-year-old child sustains an elbow dislocation. The elbow is reduced, but post-reduction radiographs demostrate that the ulnohumeral joint remains slightly incongruent. What is the most likely etiology for this continued incongruency?

22 / 50

An 18-month-old girl is brought to clinic by her mother for in-toeing. All of the following features should prompt the physician to perform further evaluation (including radiographs) if found in conjunction with in-toeing EXCEPT:

23 / 50

Septic arthritis in pediatric patients may occur secondary to direct intra-articular spread from metaphyseal osteomyelitis. This can occur in all the following joints EXCEPT?

24 / 50

Which of the following most accurately describes the cause of osteopetrosis?

25 / 50

Which of the following components of the clubfoot deformity should be addressed first when using the Ponseti method?

26 / 50

A 3-month-old child presents with the tibial deformity seen in Figure . What foot deformity is commonly associated with this condition?

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27 / 50

A juvenile Tillaux ankle fracture is caused by an avulsion injury involving which of the following structures?

28 / 50

What is the inheritance pattern for Duchenne’s muscular dystrophy?

29 / 50

All of the following are true regarding treatment of scoliosis in patients with Marfan’s syndrome EXCEPT?

30 / 50

An 18-year-old ambulatory female with spina bifida presents with a painful planovalgus left foot. She has failed treatment with orthoses and heel-cord stretching regimens. Ankle radiographs demonstrate that the distal tibia is tilted 15° into valgus relative to the long axis. Which of the following treatment options would best correct the deformity?

31 / 50

Plantar flexion of the first ray is the initial deformity seen in which condition?

32 / 50

A 14-year-old overweight boy complains of vague left knee pain which worsens with activity. He has an antalgic gait and increased external rotation of his foot progression angle compared to the contralateral side. Knee radiographs, including stress views, are negative. What is the next step in management?

33 / 50

All of the following are associated with neurofibromatosis except:

34 / 50

A 32-month-old male with severe infantile Blounts disease has been treated with full time bracing for the past year. At most recent follow-up, the varus deformity of his bilateral legs has worsened despite compliance with bracing. What treatment is now recommended?

35 / 50

Which of the following concepts regarding pediatric hips is true?

36 / 50

Which of the following pediatric congenital disorders is caused by a glycine substitution in the procollagen molecule?

37 / 50

A mutation of PMP22 located at Chromosome 17p12 most likely leads to which of the following?

38 / 50

A 15-year-old male complains of pain and swelling of the right knee immediately after landing a ski jump. Radiographs are shown in Figure A. Which of the following potential complications is most common with this injury pattern?

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39 / 50

A 3-month-old is brought to clinic for evaluation of a right upper extremity abnormaility present since birth. Which of the following physical exam findings is associated with the best functional outcome?

40 / 50

A 3-year-old boy has been treated in the past with Ponseti casting now presents with dynamic supination during gait. You’re planning to perform an anterior tibialis transfer to the lateral cuneiform. All of the following are true EXCEPT:

41 / 50

A five-year-old boy with cerebral palsy presents to the clinic with a dislocated right hip, what quadrant of the acetabulum is most likely deficient?

42 / 50

Hematogenous osteomyelitis caused by Salmonella is most common in which of the following patient populations?

43 / 50

An 10-month-old child is brought to the emergency room with left elbow swelling and an intact neurovascular exam. The parents report no history of trauma. A radiograph demonstrates a minimally displaced distal humerus physeal separation with abundant callous formation. The next step in managament should include?

44 / 50

An 8-day-old infant is admitted back to the hospital for septic arthritis of the hip. Which of the following will most likely be the causative organism by culture?

45 / 50

A 8-year-old boy has a cubitus varus deformity of his left elbow after a supracondylar humerus fracture was treated in a splint. What is the most common cause of this deformity?

46 / 50

Which of the following patients would be the BEST candidate for submuscular bridge plating?

47 / 50

Which of the following muscles would be affected if a 6-month-old child sustains a birth-related brachial plexopathy affecting C5 nerve root?

48 / 50

Type I collagen defects are responsible for the clinical manifestations of osteogenesis imperfecta. Mutation of what gene or genes are most responsible for this?

49 / 50

Hypothyroidism is most commonly associated with which of the following pediatric conditions?

50 / 50

An 11-year-old child sustains an elbow dislocation. The elbow is reduced, but post-reduction radiographs demostrate that the ulnohumeral joint remains slightly incongruent. What is the most likely etiology for this continued incongruency?

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