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
Intrinsic causes of hemolytic anemia are all except 
Select and explain. 
A. GCPD deficiency, B. Hereditary spherocytosis, C. Hypersplenism, D. Pyruvate kinase deficiency
C: Hypersplenism
Answer: C: Hypersplenism 
Explanation: Hypersplenism is an extracorpuscular cause of heamolytic anemia. All other options are intracorpus cular / intrinsic causes of heamolytic anemia.