This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bleeding Disorders, Subject name: Pathology
Defect in Bernard soulier lies in - 
Select and explain. 
A. Gplb-IX, B. GpIIIa-IIb, C. Gplla-Iilb, D. GpIIIb-IIa
A: Gplb-IX
Answer: A: Gplb-IX 
Explanation: Ans. is 'a' i.e., GpIb-IX