At What Age Is It Normal for Bone Marrow Cellularity

question 13

Multiple Choice

At what age is it normal for bone marrow cellularity to be 80% to 90% (i.e., has very little fat) ?

• A) At birth
• B) In an 8 year old
• C) In a 20 to 40 year old
• D) In those older than 70 years

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