(M) Lec 2.2: Bone Marrow

Question 1

Two types of mature bones

Answer 1

Cancellous or Spongy
Compact bone

Question 2

Which type of bone has bone marrows?

Answer 2

Cancellous/Spongy

Question 3

What are the two types of bone marrow?

Answer 3

Red and yellow

Question 4

Bone marrow common in babies

Answer 4

Red marrow

Question 5

Bone marrow common in senior and elders

Answer 5

Yellow marrow

Question 6

Term refers to the forming of blood

Answer 6

Hemopoiesis

Question 7

Type of cell involved in hemopoiesis which have the most potentiality and self-renewing capacity

Answer 7

Stem cells

Question 8

Type of cell involved in hemopoiesis which have the most influence of growth factors

Answer 8

Progenitor cells, precursor cells, mature cells, and stem cells

Question 9

Type of cell involved in hemopoiesis which have the most mitotic activity

Answer 9

Precursor cells

Question 10

What are the precursor cells in hemopoiesis?

Answer 10

Blasts

Question 11

Type of cell involved in hemopoiesis which have the most typical morphologic characteristics?

Answer 11

Mature cells

Question 12

Type of cell involved in hemopoiesis which have the most differentiated functional activity

Answer 12

Mature cells

Question 13

What are the types of hemopoiesis?

Answer 13

Erythropoiesis, leukopoiesis, and thrombopoiesis

Question 14

How do we distinguish erythropoietic cells?

Answer 14

1. No visible granules
2. Round nucleus

Question 15

How do we determine stage of development of RBCs? Based on what?

Answer 15

1. Cell size
2. Condensation of nucleus
3. Cytoplasm color

Question 16

Familiarize the development of erythrocytes (Or if you memorize it then slay)

Answer 16

From immature to mature

1. Proerythroblast (Pronormoblast)
2. Basophilic erythroblast
3. Polychromic erythroblast
4. Orthochromatic erythroblast (Normoblast)
5. Polychromic erythrocyte (Reticulocyte)
6. Erythrocyte

Question 17

How many days before reticulocytes become erythrocytes?

Answer 17

3 days

Question 18

Which development stage (or the name of the cell) of RBC ejects the nucleus?

Answer 18

Orthrochonatic erythroblast

Question 19

T of F: Reticulocytes have a nucleus

Answer 19

False

Question 20

Refers to the formation of WBC granulocytes

Answer 20

Granulopoiesis

Question 21

How do we distinguish granulopoeitic cells?

Answer 21

1. Highly visible granules
2. Varying nucleus shape

Question 22

How do we determine stage of development of granulopoiesis? Based on what?

Answer 22

1. Type of granules
2. Shape/segmentation of nucleus

Question 23

Familiarize the development of granulocytes specifically neutrophils (Or if you memorize it then slay)

Answer 23

1. N. Promyelocyte
2. N. Myelocyte
3. N. Metamyelocyte
4. N. Band
5. Neutrophil

Question 24

Where are granulocytes stored?

Answer 24

Bone marrow

Question 25

Where are WBCs formed?

Answer 25

Bone marrow

Question 26

Two types of WBCs (granulocytes) in the blood according to function

Answer 26

Marginating cells and circulating cells

Question 27

Familiarize the development of g
aranulocytes specifically monocytes (Or if you memorize it then slay)

Answer 27

1. Myeloblast
2. Promonocyte
3. Monocyte

(If it goes to the tissues, then:
4. Immature macrophage
5. Mature macrophage)

Question 28

Refers to the formation of platelets

Answer 28

Thrombocytogenesis

Question 29

Refers to the formation of both platelets and thrombus

Answer 29

Thrombopoeisis

Question 30

Familiarize the development of platelets (Or if you memorize it then slay)

Answer 30

1. Megakaryoblast
2. Promegakaryocyte
3. Megakaryocyte
4. Platelets/thrombocytes

Question 31

Refers to bone marrow whose color is produced by an abundance of blood and hematopoietic cells; found in newborns up to 3 years old

Answer 31

Red marrow

Question 32

Refers to bone marrow filled with adipocytes that exclude most hematopoietic cells; found in individuals 10 years and up

Answer 32

Yellow marrow