Blood and Screening Tests Flashcards
(38 cards)
*How much blood does avg person circulare
5L
*What % of blood makes up body weight
8%
*What portion of blood is plasma
3L
*What portion of blood is cells
2L
*What are 2 facts about leukocytes
They have a nucleus and make up 1% of blood volume
Band neutrophil “shift to the left” indicates what?
A predominance of immature leukocytes–> infection or inflammation
Eosinophils are connected with which diseases?
Parasitic and allergic diseases
Agranulocytes make up what % of circulating leukocytes?
20-40%
What is the function of agranulocytes (lymphocytes)
interact with antigens & mount immune response
Where are T lymphocytes produced?
Thymus
Where are B lymphocytes produced?
Bone Marrow
Name types of antibodies made by B lymphocytes
IgA, IgG, and IgE
Where are IgA antibodies found?
Resp. tract/nose, digestive tract, ears, eyes/tears, saliva, vagina
Where are IgG antibodies found?
All body fluids
Where are IgE antibodies found?
Lungs, skin, and mucous membranes
What is the most common antibody?
IgG
Which antibody causes reaction against foreign substances like pollen and fungus?
IgE
Which antibody fights bacterial & viral infections?
IgG
Where are half of monocytes stored?
Spleen
What is the function of platelets?
Clotting of injuries and wounds
What components does a CBC test?
WBC, RBC, Hemoglobin, Hematoctit, & Platelets
The hemoglobin portion of a CBC tests for what?
Anemia
What does an increase in Neutrophils indicate?
reaction to invading organism or tumor cells
What does an increase in eosinophils indicate?
Allergic reactions, severity of worm infestation, & parasites
