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21844 Pediatrics

A 5 year old boy is detected to be HBsAg positive on two separate occasions during a screening program for hepatitis B. He is otherwise asymptomatic. Child was given three doses of recombinant hepatitis B vaccine at the age of 1 year. His mother was treated for chronic hepatitis B infection around the same time. The next relevant step for further investigating the child would be to –

AObtain HBeAg and anti–HBe levels
BObtain anti HBs levels
CRepeat HBsAg
DRepeat another course of Hepatitis B vaccine
Pediatrics
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21849 Medicine

An 18-year-old woman is referred to your clinic after branch retinal aery occlusions occurred in each eye several months apa. Examination reveals moderate hearing loss in the right ear, in addition to visual field loss in each eye. A brain MRI reveals multiple small coical strokes in the frontal lobes and the left parietal lobe. Which of the following diagnosis fits best with this clinical presentation?

AMultiple sclerosis
BSusac syndrome
CAcute disseminated encephalomyelitis
DConversion reaction
Medicine
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21851 Medicine

A six year old boy presents with echymoses and petichiae all over the body 2 weeks after an upper respiratory tract infection Abdominal examination is unremarkable with no hepatosplenomegaly All of the following statements about the affecting condition are true Except:

ABleeding into the joints is a common manifestation
BBone marrow will show increased megakaryocytes
CPlatelet count is decreased
DCondition resolves spontaneously in 80% of patients in 2 to 6 weeks
Medicine
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