MCQS 328-330:The average age of patients with Legg-Calve-Perthes disease is


The average age of patients with Legg-Calve-Perthes disease is

a) at birth
b) 1-5 months
c) 6-24 months
d) 2-5 years
e) 6-14 years
f) 15-20 years
g) 20-30 years
h) 30-40 years
i) 40-60 years
j) over 60 years



A new type of antibiotic is gaining press attention. A certain journal informs authors that it would give preference to articles that are centered around this new antibiotic.
Articles in the next edition of this journal are likely to suffer from

a) recall bias
b) chronologic Bias
c) lead-time bias
d) publication bias
e) selection bias
f) p-value bias
g) randomisation bias
h) commercial bias
i) Confounding bias
j) observational bias



A 45 year old is being investigated for weight loss. He is noted to have massive splenomegaly. Peripheral blood findings show an anemia and a bllof film reveals tear-drop red blood cells , giant platelets and a 'Left shift' with 8% blasts. A bone marrow aspiration is difficult but reveals collagen fibrosis and loss of hematopoiesis.

a) Chronic Lymphocytic Leukemia
b) chronic myeloid leukemia
c) Hairy Cell Leukemia
d) Acute Lymphoblastic Leukemia
e) chronic myelomonocytic leukemia
f) essential thrombocythopenia
g) essential thrombocythemia
h) Burkitt's lymphoma
i) polycythemia vera
j) agnogenic myeloid metaplasia


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