Hematology Review

Question 1

Composition of blood

Answer 1

Cells 45% (hematocrit): RBC, WBC, platelets

Plasma 55% (electrolytes, glucose, urea, and protein)

Question 2

What cells does they lymphoid line give rise to

Answer 2

B cells: activated in Bone marrow

T cells: activated in Thymus

Question 3

What cells does the myeloid line give rise to

Answer 3

erythroblasts
granuloctyes: basophils, neutrophils, eosinophils
monoctyes
megakaryocytes

Question 4

Describe the different WBC (Never Let My Engine Blow) - (Biting Vines Make Pain Happen)

Answer 4

Neutrophils - Bacterial infections
Lymphocytes - Viral or chronic 
Monocytes - Macrophage 
Eosinophils - Parasitic 
Basophils - Hypersensitivity 

Granulocytes - BEN

Question 5

Which WBC carry out phagocytosis

Answer 5

APC: nuetorphils and macrophages

Question 6

Describe Blood clotting

Answer 6

Intrinsic:
Vascular damage
Activates (XII, XI, IX, VIII and X)

Extrinsic: 
Tissue damage (VII and X)

Question 7

Describe blood types

Answer 7

A: has A antigen and B antibodies
B: has B antigens and A antibodies
AB: Has both A and B antigens but no antibodies - universal recipient
O: has no A or B antigens - universal donor