What Surface Antigen on Cells Identifies Them as a Hematopoietic

question 13

Multiple Choice

What surface antigen on cells identifies them as a hematopoietic stem cell?

• A)CD8
• B)CD34
• C)CD55
• D)CD59

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Definitions:

Small Intestine

Part of the gastrointestinal tract between the stomach and large intestine, where most digestion and absorption of nutrients occurs.

Ileum

The final and longest segment of the small intestine, where absorption of nutrients and minerals is completed.

Duodenum

The first section of the small intestine immediately beyond the stomach, leading to the jejunum.

Jejunum

The middle segment of the small intestine, involved in the absorption of nutrients from digested food.