Lifespan of fetal RBC is-: (A) Same as adult RBC, (B) 1/4 of adult RBC, (C) 1/2 of adult RBC, (D) 2/3 of adult RBC
Answer is D. Ans. (d) 2/3 of adult RBCRef: Ganong, 25th ed/p.555Life span of fetal RBCs is 60 to 90 days. It is about 2/3rd of adult RBCs life span