Anatomy and Physiology of the Immune System

Question 1

Define leukocytes

Answer 1

Nucleated cells of the blood; white blood cells

Question 2

Define mononuclear cells

Answer 2

Leukocytes whose nucleus has a smooth outline: monocytes(immautre, become macrophages) and lymphocytes

Question 3

Define polymorphonuclear cells

Answer 3

Cells whose nucleus is lobulated, aka granulocytes b.c they have prominent cytoplasmic granules. They include eosinophils, basophils and neutrophils

Question 4

Define Mast Cells

Answer 4

Tissue cell that is closely related to basophil

Question 5

Plasma

Answer 5

Whole blood-(Red cells and White cells)

Question 6

Platelet

Answer 6

Fragments derived from megakaryocytes, involved in clotting.

Question 7

List the normal adult white cell count and differential percentages. From these, calculate absolute counts for the different cell types (as cells of that type /μL).

Answer 7

WBC: 4,500-10,500 per uL of blood

Neutrophils: 40-60%: 1,800-6,300 uL
Eosinophils: 1-4%: 4.5-420 uL
Basophils: 0.5%-1%: 2.25-105 uL
Monocytes: 2-8%: 8-840 uL
lymphocytes: 20-40%: 900-4200 uL