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What is the lifespan of platelets?

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What is the lifespan of platelets?

(a) 1 – 7 days

(b) 8 – 12 days

(c) 14 days

(d) 1 month

This question was posed to me in class test.

My query is from Components of Blood topic in chapter Pathology of Clinical Science

1 Answer

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Correct choice is (b) 8 – 12 days

Easy explanation: Platelets are formed from the megakaryocyes. Thus, essentially, they are broken parts of a cell and thus must be removed eventually to avoid any problems to the body. Thus, within 8 – 12 days, the liver removes them from blood circulation.

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