ortho

Question 1

a 7 year old girl is being seen at an orthopaedics out-pt clinic for Ax of limb length discrepancy (LLD). she has a history of acute osteomyelitis that was difficult to treat.
which one of the following statements regarding acute osteomyelitis is NOT correct?
a)the condition is more common in girls
b) immune compromise (e.g. HIV-related) may increase susceptibility to the condition
c)it usually occurs in children under 10 years of age
d)appropriate antimicrobial therapy has decreased mortality <1%

Answer 1

the condition is more common in girls

Question 2

which one of the following statements regarding pathogenesis of acute osteomyelitis is NOT correct?

a)infection may spread, causing abscess an/or a sinus tract
b)there is limited ability to phagocytose organisms in the affected region
c)rapid circulation and flow of blood in the affected region plays an important role in development of acute osteomyelitis
d)the metaphyseal part of the bone was likely affected in this case

Answer 2

rapid circulation and flow of blood in the affected region plays an important role in development of acute osteomyelitis

Question 3

which one of the following organisms would not be likely in acute osteomyelitis?
a)haemophilus influenzae
b) Streptococcus
c)Staphylococcus
d)Myobacterium tuberculosis

Answer 3

Myobacterium tuberculosis

Question 4

which one of the following tests results would not be likely in acute osteomyelitis?
a)raised white cell count
b)high erythrocyte sedimentation rate
c)Normal X-ray during the first week of presentation with the condition
d)low circulating level of C-reactive protein

Answer 4

low circulating level of C-reactive protein

Question 5

which one of the following would not be likely at the time of presentation?
a) Reluctance to bear weight
b)Pseudo-paralysis
c)Fever
d)Cellulitis

Answer 5

d)Cellulitis