Blood Formation

Question 1

Marrow Cavity (Meduallary Cavity)

Answer 1

The hollow space inside our bones; babies only have red marrow cavities

Question 2

Red Bone Marrow

Answer 2

Working marrow cavities filled with blood-forming cells

Question 3

Yellow Bone Marrow

Answer 3

Fatty marrow; replaces red bone marrow

Question 4

Where is red bone marrow mainly found in adults

Answer 4

Pelvic Girdle, Sternum, Vertebrae, Ends of long bones (femurs)

Question 5

Define Hemopoiesis/Hematopoiesis

Answer 5

The formation of the blood cells & their components

Question 6

Hem(o)-/Hemat(o)-

-poiesis

Answer 6

Blood

Formation

Question 7

Hemocytoblast

Answer 7

All blood cells derive from a common stem cell

Question 8

Blood Stem Cells

Answer 8

Can self-renew or produce different specialized cells like: RBC’s, WBC’s & platelets

Question 9

Define Erythropoiesis

Answer 9

RBC formation in the bone marrow

Question 10

Define Leukpoiesis

Answer 10

WBC formation in the bone marrow

Question 11

Define Thrombopoiesis

Answer 11

Platelet fomration in the bone marrow

Question 12

Erythopoietin (EPO)

Answer 12

Hormone that influences the development in RBC’s; direct influence on our red bone marrow; increase in immature RBC’s within 1-2 days.

Question 13

Reticulotcyte

Answer 13

An immature RBC; released into the bloodstream where they develop into mature RBC’s within 24-36 hours

Question 14

Blood Doping

Answer 14

Sometimes EPO is used illegally as a performance-enhancing drug

Question 15

Iron

Answer 15

It helps to form the protein molecule Hemoglobin inside the RBC