MCQ 3 Flashcards

1
Q
  1. What is true about Perthes disease?
A

More common in boys than girls - 4:1 (male:female)

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2
Q
  1. Most common location of osteoarthritis in the West Indian population?
A

Knee

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3
Q
  1. Which of the following is not associated with developmental dysplasia of the hip?
A

Inability to walk

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4
Q
  1. Most common place of skeletal tuberculosis?
A

Spine

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5
Q
  1. Which of the following is not associated with decreased bone density?
A

Hypoparathyroidism

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6
Q
  1. Which of the following is a sesamoid bone?
A

Pisiform

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7
Q
  1. Young male complains of bone pain in the night which is relieved by NSAIDs.
A

Osteoid osteoma

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8
Q
  1. Osgood-Schlatter disease:
A

Osteochondritis of the tibial tuberosity

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9
Q
  1. Osteosarcoma:
A

Most commonly occurs around the knee joint

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10
Q
  1. Which of the following is not innervated by the ulnar nerve?
A

Adductor pollicis brevis

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11
Q
  1. Class 3 shock:
A

1 500 - 2 000 mL

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12
Q
  1. Femoral midshaft fractures in neonates:
A

Pavlik harness

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13
Q
  1. Which of the following is not used when applying a plaster of Paris cast?
A

Lubricated jelly

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14
Q
  1. Squeezed patient’s calf and absence of plantar flexion → hyperdorsiflexion: Thompson’s test
A

Achilles tendon rupture

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15
Q
  1. Which of the following is not seen in rheumatoid arthritis?
A

Radial deviation

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16
Q
  1. What is not true with regard to gout?
A

Positively birefringent

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17
Q
  1. Some guy got in an accident and presents with numbness from his neck radiating down to his
    arms and ring and index finger. What nerve roots are affected?
A

C8/T1? - Ulnar?

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18
Q
  1. Which of the following is true for pulp space infections?
A

b. Spread from paronychia

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19
Q
  1. Which of the following fractures are most susceptible to malunion?
A

Radius and ulna fracture in an above elbow cast

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20
Q
  1. Child born with multiple fractures
A

Osteogenesis imperfecta

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20
Q
  1. Which of the following does not aid in the prevention of rotation of an intramedullary nail?
A

Cast

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21
Q
  1. Radiological finding: Codman triangle
A

Osteosarcoma

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22
Q
  1. Treatment of a 2 year old with a fracture to the femur
A

Traction

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23
Q
  1. A 22 year old man suffered a comminuted open fracture to the midshaft of the humerus due
    to a gunshot wound. What is not a likely complication?
A

Lead poisoning

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24
Q
  1. Patient with a fall on an outstretched hand. Normal AP shoulder but deformity seen and
    unable to move the arm. What is the next best investigation?
A

Y scapular view X ray

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25
Q
  1. Most common cause of hemarthrosis:
A

Anterior cruciate ligament rupture

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26
Q
  1. Child falls and injures elbow. What is the most common injury?
A

Supracondylar fracture

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27
Q
  1. Which is true about charcot joints?
A

Seen in tertiary syphilis

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28
Q
  1. Not a use of skeletal traction:
A

Preoperative pain relief of a fracture

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29
Q
  1. Woman sustains a cut across the volar aspect of the proximal phalanx of the middle finger.
    What will occur?
A

Unable to extend the proximal interphalangeal joint and distal interphalangeal joint

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30
Q
  1. Last step in fracture healing:
A

Remodelling

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31
Q
  1. What is true of club foot?
A

Seen in prenatal ultrasound scans

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32
Q
  1. Which is false of plantar fasciitis?
A

Heel spurs - can occur as a result of plantar fasciitis but does not cause it

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33
Q
  1. What is associated with distal radioulnar joint disruption?
A

Galeazzi fracture

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34
Q
  1. Patient had shoulder trauma, clinically had swelling and axillary nerve damage. AP X ray was
    normal. What is the next best investigation?
A

Scapular Y view

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35
Q
  1. In a fracture of the waist of the scaphoid. Which pole has the least vascular compromise?
A

Distal pole

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36
Q
  1. What will not be seen in carpal tunnel syndrome?
A

Wasting of the hypothenar eminence

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37
Q
  1. 50 year old man playing squash. Felt a pop and got pain at the back of the ankle. Loss of
    plantar flexion when calf was squeezed.
A

Achilles tendon rupture

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38
Q
  1. Which of the following is a characteristic of plaster of paris?
A

Exothermic reaction on application

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39
Q
  1. A 55 year old woman can only manually extend her ring finger after a full fist. Which
    surgical procedure is best suited for this?
A

Release of A1 pulley

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40
Q
  1. Arthroscopy advantages: which is false?
A

Easy skill to learn

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41
Q
  1. Osteoporosis is less likely to be found in:
A

Clavicle

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42
Q
  1. Shoulder dislocation: which of the following is false?
A

More common in children

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43
Q
  1. Osteomyelitis most common organism:
A

Staphylococcus - Staph. aureus

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44
Q
  1. Anterior cruciate ligament:
A

Pop heard

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45
Q
  1. Ankle fractures:
A

Most commonly disrupts the anterior talofibular ligament

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46
Q
  1. Radiographic changes in osteomyelitis are seen after:
A

2 weeks

46
Q
  1. Painful bilateral bunions
A

Shoe modification helps

46
Q
  1. Osgood-Schlatter: where is the location of the osteochondritis?
A

Tibial tuberosity

47
Q
  1. Most common cause of knee haemarthrosis:
A

Anterior cruciate ligament injury

48
Q
  1. Which of the following is not associated with developmental dysplasia of the hip?
A

Inability to walk

49
Q
  1. Woman sustains a cut across the volar aspect of the proximal phalanx of the middle finger.
    What will occur?
A

Unable to flex the proximal interphalangeal joint and distal interphalangeal joint

50
Q
  1. Which fracture is not associated with osteoporosis?
A

Clavicle

50
Q
  1. Tuberculosis affects which part of the skeleton?
A

Spine

50
Q
  1. Most common location of osteoarthritis?
A

Knee

50
Q
  1. What is the valgus stress test used for?
A

Medial collateral ligament

50
Q
  1. Sesamoid bone:
A

Pisiform

50
Q
  1. Last stage in fracture healing:
A

Remodelling

51
Q
  1. Which is not associated with decreased bone density?
A

Hypoparathyroidism

52
Q
  1. Complained about pain at night, relieved with aspirin.
A

Osteoid osteoma

53
Q
  1. Class III shock
A

1500-2000 mL blood loss

53
Q
  1. Femoral shaft fracture in infant:
A

Pavlik harness

54
Q
  1. Not true about gout:
A

Positively birefringent - needle-shaped monosodium urate crystals that are negatively
birefringent

55
Q
  1. Fracture most susceptible to malunion?
A

Radius and ulna fracture in an above elbow cast

56
Q
  1. Multiple fracture in a newborn:
A

Osteogenesis imperfecta

57
Q
  1. Codman’s triangle:
A

Osteosarcoma

58
Q
  1. Patient fell on outstretched hand. Normal AP X-ray but deformity seen, unable to move the
    arm. The next best step in management?
A

Y scapular view X-ray

59
Q
  1. Child fell and injured elbow, what is the most common injury?
A

Supracondylar fracture

59
Q
  1. Which of the following is not a use of skeletal traction?
A

Preoperative pain relief of fracture

59
Q
  1. What is true about clubfoot?
A

Can be seen on prenatal ultrasound scan

59
Q
  1. What is associated with distal radioulnar joint disruption?
A

Galeazzi fracture

60
Q
  1. Which is true about the Charcot joint?
A

Seen in tertiary syphilis

61
Q
  1. Which of the following is not seen in carpal tunnel syndrome?
A

Wasting of hypothenar eminence

62
Q
  1. Which is false about plantar fasciitis?
A

Corticosteroid injection is contraindicated

63
Q
  1. Patient with gout findings?
A

Birefringent crystals in synovial fluid

64
Q
  1. This picture came and the question asked at which joints would flexion be affected:
A

Metacarpophalangeal joint -

65
Q
  1. Which of the following is not true of the insertion of the Steinmann Pin?
A

It is inserted 5cm posteriorly and 1cm distal to the tibial tuberosity

66
Q
  1. Which is the most commonly dislocated?
A

Shoulder joint

67
Q
  1. Parents bring an 18 month old child concerned about bowing of the legs. What is your
    assessment?
A

Physiologic

68
Q
  1. What is the most common causative organism of acute osteomyelitis in persons with sickle
    cell disease?
A

Salmonella

69
Q
  1. What is the radiographic feature of tuberculosis of bone?
A

The initial radiographic finding of bone TB is osteoporosis, focally or diffusely involving the affected region. As the disease progresses, radiography may reveal lytic areas, commonly described as a “moth-eaten” appearance, due to the granulomatous destruction of bony trabeculae (Dx).

Other characteristic findings include a ‘cold abscess’ wherein there is formation of a periosteal reaction due to the spread of the infection to the soft tissues. One may also see peri-articular osteopenia, joint space narrowing, and juxta-articular cortical erosions in affected joints (Dx).

For late-stage disease, sequestra (dead, devascularized bone) and involucrum (new bone formation) may be observed. The Pott’s disease (TB of the spine) can present as vertebral body collapse, commonly described as a ‘gibbus deformity’ (Dx).

70
Q
  1. What is true about acute haematogenous osteomyelitis in children under two years old?
A

Most commonly involves the metaphysis

71
Q
  1. Which is true about acute haematogenous osteomyelitis?
A

80% are detected on blood culture - roughly 50% (Medscape)

72
Q
  1. Which bone is most commonly affected by avascular necrosis (head of femur was not there)?
A

Any bone with retrograde blood supply can undergo avascular necrosis. These bones are: Hip,
Scaphoid & Talus

73
Q
  1. Female patient had a motor vehicle accident involving the hip joint. The limb on examination
    was internally rotated.
A

Posterior hip dislocation

74
Q
  1. Patient with dropped wrist with paresthesia over the snuff box which resolves on its own.
    What was the most likely nerve injury?
A

Loss of conduction over the point of injury without degeneration

75
Q
  1. Most common complication of Colles fracture?
A

Carpal tunnel syndrome

76
Q
  1. Patient with anterior cruciate ligament tear. Which is true?
A

Immediate haemarthrosis

77
Q
  1. Osgood-Schlatter disease?
A

Tibial tuberosity

78
Q
  1. A 7 year old boy falls on outstretched hand. Most likely fracture?
A

Supracondylar

79
Q
  1. Elderly female falls on an outstretched hand. What is more likely?
A

Fracture of the distal ulna - Ulnar styloid fracture in Colles Fracture

80
Q
  1. Slipped upper femoral epiphysis, all are true except:
A

Shortening of the contralateral limb

81
Q
  1. A slipped disc at the L4-L5 level will result in?
A

Loss of dorsiflexion

82
Q
  1. Which is not a feature of clubfoot?
A

Eversion

83
Q
  1. A 77 year old woman fell onto the right outstretched hand. What is the most likely injury?
A

A fracture to the distal radius with dorsal angulation and impaction

84
Q
  1. With regard to fracture healing, which of the following is not a cause of non-union?
A

Magnetic fields

85
Q
  1. With regards to clubfoot, which of the following is not a feature?
A

Forefoot hyperpronation

86
Q
  1. A 32 year old pregnant woman has carpal tunnel syndrome. What are her most likely clinical
    features?
A

A positive Phalen’s test

87
Q
  1. The least likely complication of a supracondylar fracture in a child is?
A

Musculocutaneous nerve palsy

88
Q
  1. Characteristically, Osgood-Schlatter’s disease has all the following features except:
A

Local steroid injection is usually curative

89
Q
  1. Which of the following bones is most susceptible to avascular necrosis?
A

Talus - Any bone with retrograde blood supply can undergo avascular necrosis.
These bones are: Hip (femoral head), Scaphoid (proximal) & Talus

90
Q
  1. An 8 year old child complains of right leg pain for 4 weeks. Examination reveals a bony
    swelling to the mid leg along the subcutaneous border of the tibia. Which diagnosis is least
    likely?
A

Chondrosarcoma > 50 years

91
Q
  1. Which of the following is not a feature of osteochondromas?
A

They arise from the growth plate

92
Q
  1. A young man is awakened in the middle of the night with severe pain to the upper back. The
    pain is immediately relieved by aspirin. A bone scan done reveals hyperintense uptake in the
    posterior elements of T6. What is the possible diagnosis?
A

Osteoid osteoma

93
Q
  1. The following are features of a torn anterior cruciate ligament with the exception of:
A

A negative Lachman’s test

94
Q
  1. A 22 year old man was involved in a road traffic accident and sustained a fractured right
    femoral shaft. Which is the least likely complication to occur?
A

Avascular necrosis

95
Q
  1. A football player sustained a valgus injury to the knee during a match and is unable to
    complete the game. He has immediate swelling of the knee and is unable to weight bear. Which of
    the following clinical tests will be most helpful in diagnosing the problem?
A

Lachman’s test

96
Q
  1. All of the following are features of Paget’s disease except:
A

Excessive osteoblastic activity

97
Q
  1. A 2 day old child was referred to the orthopaedic team with a diagnosis of clubfoot. What is
    the most appropriate treatment?
A

Plaster casting - Ponseti Method

98
Q
  1. The typical radiographic features of osteoarthritis include all of the following except:
A

Periarticular osteopenia - first radiological sign of RA

99
Q
  1. The following are features of a plaster of Paris cast except:
A

Chemically it is hemi-hydrated calcium carbonate - it’s calcium sulfate

100
Q
  1. A twelve year old girl sustained a blunt injury to the arm, resulting in a wrist drop which
    recovered after four weeks. Which of the following best describes the injury to the nerve?
A

A loss of conduction across the injured segment without degeneration - Neuropraxia

101
Q
  1. Which of the following is not a complication of Colles fractures?
A

A weak grip

102
Q
  1. Which of the following is not an established cause of non-union?
A

Too little movement at the fracture site

103
Q
  1. A twelve year old girl has sixty (70) degree right thoracic scoliosis. Which of the following
    would not be a typical examination finding?
A

A prominent left lumbar hump

104
Q
  1. All of the following are surgical options for osteoarthritis of the knee except:
A

Arthroscopic drilling

105
Q
  1. An eleven month old child is brought to you by parents who are concerned about the bowing
    of the legs. The most common likely cause of this is?
A

Physiologic