Exam 3: Lecture 13

Question 0

What areas of the skeleton house red bone marrow?

Answer 0

Sternum and iliac crests

Question 1

Where are RBC’s made in different stages of embryonic development?

Answer 1

First trimester- Yolk sac
After second trimester- Liver/Spleen
Seventh month- Bone marrow

Question 2

What are the 3 components of Red Marrow?

Answer 2

Sinusoidal capillaries
Cords of hematopoietic cells
Connective tissue stroma

Question 3

What are characteristics of hematopoietic cells?

Answer 3

Pluripotent
Self-renewal
Only recognized by cell surface markers

Question 4

Name the 6 stages of Granulocyte-Macrophage CFU and which ones divide or are in circulation.

Answer 4

Myeloblast (divide)
Promyelocyte (divide)
myelocyte (divide)
Metamyelocyte
Band cell (circulation)
Neutrophil (circulation)