INTRODUCTION CLASS

Question 1

HAEMOPOIESIS

Answer 1

formation of blood cells

Question 2

when does haemopoiesis start

Answer 2

in utero at gestation

Question 3

main organs in hematopoietic cell maturation

Answer 3

Bone marrow
spleen
thymus
lymph nodes

Question 4

precursor for development of platelets obtained from bone marrow

Answer 4

megakaryocytes

Question 5

Ways to sample bone marrow aspirate

Answer 5

2 ways.

bone marrow aspirate- using a special needle to draw fluid

trephine biopsy -cut biopsy of the tissue of bone marrow, sectioned and studied

Question 6

Most commonly used site for sampling in adults

Answer 6

posterior superior iliac spine.

Question 7

Advantages of using posterior superior iliac spine

Answer 7

safe

yields increased bone marrow

Question 8

disadvantage of using posterior superior iliac spine

Answer 8

People with fat deposited in their back cannot have a lot of bone marrow aspirate removed.

such people use anterior superior iliac spine .

Question 9

sites for sampling of bone marrow

Answer 9

posterior superior iliac spine
anterior superior iliac spine
the sternum
the tibia

Question 10

Why is the sternum less preferred for bone marrow sampling?

Answer 10

Inferior to the sternum are major vessels like the aorta

in a condition like brittle bones, boring through the sternum will easily lead to damage of surrounding organs

Question 11

Main site of bone marrow aspiration in children

Answer 11

tibia

Question 12

site hardly ever used for bone marrow aspiration

Answer 12

vertebral bodies

Question 13

Growth factor for erythropoiesis

Answer 13

erythropoietin

Question 14

Growth factor for granulocyte and monocyte

Answer 14

granulocyte monocyte stimulating factors