At What Age Is It Normal for Bone Marrow Cellularity

question 5

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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