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
Lifespan of transfused platelets is 
Select and explain. 
A. <24 hours, B. 1-3 days, C. 3-5 days, D. 7-14 days
C: 3-5 days
Answer: C: 3-5 days 
Explanation: Transfused platelets have an expected life-span of 3-4 days. This may be significantly reduced due to immune refractoriness, consumption, or sequestration. Most platelet products are transfused into non-bleeding thrombocytopenic patients. Thetransfusion "trigger" or threshold fortransfusion of these patients is now generally accepted to be 10,000/mL based on the results of a number of studies Ref bailey and love 27th edition ; pg 17-22