This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Glanzmann thrombasthenia is due to \nSelect and explain. \nA. Decreased GpIb, B. Decreased GpIIb/IIa, C. Anti-GpIIb/IIIa antibodies, D. Inhibition or deficiency of ADAMTS 13', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Glanzmann thrombasthenia is an autosomal recessive disorder. There is a failure of primary platelet aggregation with ADP or collagen due to inherited deficiency of two platelets membrane glycoproteins. It is caused due to deficiency of glycoprotein IIb- IIa.', 'role': 'assistant'}]