This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
[{'content': "Gp deficiency is seen in - \nSelect and explain. \nA. Glanzmann's thrombasthenia, B. Bemard-Soulier syndrome, C. Platelet storage pool disorders, D. GPillb", 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer is option 1 Glanzmann's thrombasthenia is an abnormality of the platelets. It is an extremely rare coagulopathy (bleeding disorder due to a blood abnormality), in which the platelets contain defective or low levels of glycoprotein IIb/IIIa (GpIIb/IIIa), which is a receptor for fibrinogen. As a result, no fibrinogen bridging of platelets to other platelets can occur, and the bleeding time is significantly prolonged. Ref Robbins 9/e pg 450", 'role': 'assistant'}]