A 30-year-old woman has just given birth to a boy. How will the mother's bone marrow differ from that of her son?
A)
Her bone marrow performs additional functions for the maintenance of homeostasis that her son is not able to yet perform.
B)
The son will have a greater proportion of adipose tissue in his bone marrow.
C)
Proportionately, the infant will have more red marrow and less yellow marrow than his mother.
D)
The amount of yellow marrow in the son's bones will decrease as he develops.
Ans:
C
Feedback:
At birth, nearly all of the marrow is red and hematopoietically active. As the need for red blood cell production decreases during postnatal growth, red marrow is gradually replaced with yellow bone marrow in most of the bones.
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