This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood, Subject name: Pathology
[{'content': 'Which of the following is absent in cryoprecipitate? \nSelect and explain. \nA. vWf, B. Factor XIII, C. Factor VIIIc, D. Protein C', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Protein C * Cryoprecipitate contains fibrinogen, factor VIIIc and vWF, and factor XIII. It is most commonly used in hypofibrinogenemia (e.g. in DIC).* It can also be used in hemophilia A and von-Willebrand disease (but recombinant factor and desmopressin are preferred in these conditions).", 'role': 'assistant'}]