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Pediatric Quiz

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1 / 50

A 6-week-old female infant is referred to your practice for concerns of developmental dysplasia of the hip. On physical exam, you note a positive Ortolani test on the left side. Pavlik harness treatment is initiated. Which of the following imaging modalities should be utilized at the two week follow-up visit?

2 / 50

A 7-year-old girl undergoes open reduction internal fixation of a displaced humeral lateral condyle fracture. Dissection around which portion of the fracture fragment should be avoided to protect its blood supply?

3 / 50

In patients with cerebral palsy, voluntary control of motion best predicts improvement in function after which of the following?

4 / 50

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

5 / 50

Isolated pronation of the forearm will most likely achieve reduction of what type of fracture in a 7-year-old boy?

6 / 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?

7 / 50

What is the genetic cause of the dwarfism characterized by a hitchhikers thumb, cauliflower swelling of the ears, and severe clubfeet?

8 / 50

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

9 / 50

A tibialis anterior transfer is appropriate for which of the following patients with clubfoot?

10 / 50

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

11 / 50

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

12 / 50

An 11-year-old female sustains a open right femoral shaft fracture and closed left both-bone forearm fracture after being struck by a motor vehicle. She is 5’1” and weighs 146 lbs. No neurovascular deficits are noted in any of her extremities. Which of the following is a contraindication to elastic intramedullary nail fixation of her femur fracture?

13 / 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?

14 / 50

What is the most common presenting sign of child abuse?

15 / 50

An infant is born with total brachial plexus palsy and Horner’s syndrome after a difficult vaginal delivery. What is the prognosis for spontaneous recovery of motor function in the involved arm by 3 months?

16 / 50

Children with lysosomal storage diseases have increased rates of which of the following disorders?

17 / 50

What is the cellular mechanism responsible for osteopetrosis (Albers-Schönberg Disease)?

18 / 50

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

19 / 50

In infants with developmental dysplasia of the hip (DDH), anatomic closed reduction may be prevented by all of the following anatomic structure EXCEPT

20 / 50

For children with Legg-Calve-Perthes(LCP) disease, all of the following factors are associated with femoral head incongruity and worse clinical outcome EXCEPT:

21 / 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?

22 / 50

The cavus deformity in Charcot-Marie-Tooth disease is caused by what muscular imbalance?

23 / 50

Achondroplasia results from abnormal chondrocyte function in the physis. What receptor is defective and what region of the physis is affected?

24 / 50

Patients with myelomeningocele have an allergic response (type 1 hypersensitivity) to latex by what cellular mechanism?

25 / 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?

26 / 50

A 3-year-old African-American child presents with irritability, fever, and a warm, swollen leg. Imaging shows an area concerning for osteomyelitis and trans-cortical biopsy reveals multiple Salmonella species. This child most likely also has which of the following conditions?

27 / 50

A mutation in the COL1A1 and COL1A2 genes is associated with all of the following manifestations EXCEPT:

28 / 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?

29 / 50

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

30 / 50

In the treatement of Blount’s disease, how do plates or staples help correct the genu varum deformity?

31 / 50

Absence of the enzyme glucocerebrosidase leads to what clinical entity?

32 / 50

Which of the following statements is FALSE regarding juvenile idiopathic arthritis(JIA)?

33 / 50

All of the following are associated with neurofibromatosis except:

34 / 50

Which of the following concepts regarding pediatric hips is true?

35 / 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?

36 / 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:

37 / 50

Which of the following is the most common presenting fracture pattern seen in abused children?

38 / 50

In pediatric discitis, which of the following is the most accurate description of the radiographic findings.

39 / 50

You are preparing to cast a child with a both-bone forearm fracture in the emergency room. During cast application, all of the following are directly related to the risk of thermal injury except?

40 / 50

A 6-month-old boy is brought to the emergency department by his mother because he has been irritable for the last week. Initially the mother reports no history of trauma, but later she says that he may have fallen from a changing table. Radiographs of the knee demonstrate metaphyseal corner lesions of the distal femur and proximal tibia. White blood cell count and erythrocyte sedimentation rate values are normal. What is the most appropriate next step in treatment?

41 / 50

All of the following injuries are highly suggestive of child abuse EXCEPT:

42 / 50

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

43 / 50

A 4-year-old girl sustains a buckle fracture of the ulna and associated radial head dislocation. Closed reduction and immobilization of the arm in 110 degrees of flexion (as swelling allows) and full supination enhances the stability of the injury by which of the following:

44 / 50

What is the cause of cubitus varus after a supracondylar humerus fracture in a child?

45 / 50

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

46 / 50

A 12-year old boy fell sustaining a both bone forearm fracture. Which of the following is true regarding the radiographic assessment of anatomic forearm alignment after reduction?

47 / 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?

48 / 50

Failure to achieve reduction of a dislocated hip in an otherwise healthy 6 month old infant following 4 weeks in a Pavlik harness with the hips flexed to 90 degrees and abduction of 50 degrees is best treated with which of the following?

49 / 50

The diagnostic criteria for neurofibromatosis type I includes all of the following EXCEPT:

50 / 50

A 16-year-old female complains of foot pain with ambulation. She previously underwent clubfoot soft tissue releases at 5 months of age. Each of the following are complications or late deformities associated with clubfoot surgery EXCEPT:

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