orthopaedics quiz
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Time limit: 20 minutes
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Question 1
Multiple choiceWhat characterizes the healing process in osteomyelitis if the infection is effectively controlled?
Explanation
If the infection is controlled, joint healing often results in fibrous ankylosis, particularly if the articular cartilage is severely damaged; it doesn't always lead to complete recovery of normal bone shape.
Question 2
Multiple choiceIn congenital syphilis, what is a hallmark skeletal change observed radiographically?
Explanation
Periosteal new bone formation is a characteristic finding in congenital syphilis, as opposed to immediate abscess formation or fractures generally.
Question 3
Multiple choiceWhich organism is most commonly responsible for acute osteomyelitis in children?
Explanation
Staphylococcus aureus is found in over 70% of acute osteomyelitis cases in children.
Question 4
Multiple choiceWhat is a typical sign of acute osteomyelitis in infants?
Explanation
Infants with osteomyelitis may exhibit pseudoparalysis, refusing to move the affected limb.
Question 5
Multiple choiceWhat is the primary mode of transmission for Congenital syphilis to the fetus?
Explanation
Congenital syphilis occurs when Treponema pallidum crosses the placental barrier during pregnancy.
Question 6
Multiple choiceWhich condition is characterized by the formation of biofilms on medical implants?
Explanation
Periprosthetic joint infection involves the adherence of microorganisms forming biofilms on implants.
Question 7
Multiple choiceWhat is the classical treatment recommended for acute osteomyelitis?
Explanation
Early and effective antibiotic treatment is crucial for managing acute osteomyelitis.
Question 8
Multiple choiceWhich of the following factors does NOT predispose an individual to infection?
Explanation
Regular exercise is generally protective against infection, while other options are risk factors.
Question 9
Multiple choiceIn tropical ulcer, what is the most common cause of the initial skin lesion?
Explanation
Tropical ulcers typically begin from minor skin abrasions that become infected.
Question 10
Multiple choiceWhich imaging technique is most useful for early detection of joint effusion in septic arthritis?
Explanation
Ultrasonography is effective in revealing joint effusion in early-stage septic arthritis.
Question 11
Multiple choiceWhat common clinical feature may suggest septic arthritis in a child?
Explanation
In children, refusal to use the affected limb typically indicates pain from septic arthritis.
Question 12
Multiple choiceWhat pathophysiological characteristic distinguishes tuberculosis arthritis?
Explanation
Tuberculosis arthritis is characterized by a granulomatous inflammatory response.
Question 13
Multiple choiceWhat is a key difference between pyogenic and tuberculous osteomyelitis?
Explanation
Pyogenic osteomyelitis usually leads to rapid and complete joint destruction, unlike tuberculosis.
Question 14
Multiple choiceWhich of the following is considered a systemic factor increasing susceptibility to infection?
Explanation
A diminished immune response commonly increases a person's susceptibility to infections.
Question 15
Multiple choiceWhich of the following is typically NOT a symptom of acute rheumatic fever?
Explanation
Severe abdominal pain is not typical of acute rheumatic fever symptoms, which are distinct.
Question 16
Multiple choiceWhat is an essential aspect of managing patients with chronic osteomyelitis?
Explanation
Regular antibiotic therapy is crucial in managing chronic osteomyelitis.
Question 17
Multiple choiceWhich of the following is NOT a typical sign of acute osteomyelitis?
Explanation
Excessive joint flexibility is NOT a typical symptom of acute osteomyelitis, which usually restricts mobility.
Question 18
Multiple choiceWhat is the best initial treatment for septic arthritis in adults?
Explanation
Initial treatment for septic arthritis typically involves aspiration of the joint to relieve pressure.
Question 19
Multiple choiceWhich factor does NOT increase host susceptibility to osteomyelitis?
Explanation
Active inflammatory response is a body mechanism to combat infection; unlike poor circulation, advanced age, and diabetes mellitus, it does not predispose to infection.
Question 20
Multiple choiceWhat is the most common organism found in both children and adults with osteomyelitis?
Explanation
Staphylococcus aureus is the most frequently isolated organism in cases of osteomyelitis among both children and adults.