Histo Lec - M6 Types of WBCs

Question 1

(polymorphonuclear) are characterized by the presence of differently staining granules in their cytoplasm when viewed under the microscope

Answer 1

Granulocytes

Question 2

(mononuclear) are characterized by the apparent absence of granules in their cytoplasm.

Answer 2

Agranulocyte

Question 3

because of the varying shapes of the nucleus, which is usually lobed into three segments.

Answer 3

Neutrophil

Question 4

A type of disease-fighting white blood cell. Common in condition most often indicating a parasitic infection, an allergic reaction or cancer.

Answer 4

Eosinophil

Question 5

High levels of eosinophils in the blood is called

Answer 5

blood eosinophilia

Question 6

are another type of granulocytes with numerous granules that stain darkly with basic dyes. They measure 8–10 μm in diameter and make up only about 1% of WBCs

Answer 6

Basophil

Question 7

migrate to injury sites and cross the capillary endothelium to accumulate in the damaged tissue, where they discharge granules that contain histamine (dilates blood vessels) and heparin (prevents clotting)

Answer 7

Basophil

Question 8

They are the largest type of leukocyte and can differentiate into macrophages and myeloid lineage dendritic cells

Answer 8

Monocytes

Question 9

type of white blood cell (leukocyte) that is of fundamental importance in the immune system because the cells that determine the specificity of the immune response to infectious microorganisms and other foreign substances.

Answer 9

Lymphocytes