Blood Flashcards
Blood
What type of tissue is blood?
Connective tissue
What temperature is blood?
100.4 degrees
What are the components of blood?
plasma and formed elements
What percentage of blood is plasma
50-60 percent
What percent of blood is formed elements
40-50 percent
What are formed elements
Erythrocytes Leukocytes and Platelets
Erythrocytes
Red blood cells
Leukocytes
White blood cells
Items formed in red bone marrow
Formed elements
What is the least dense component of blood?
Plasma
What is the buffy coat of blood?
Leukocytes and platelets makes up 1 percent
What is the most dense component of blood?
Erythrocytes,, makes up 45 percent
What are the types of leukocytes?
Granular leukocytes and argranular leukeocyte
Types of granular leukeocyte
Basophil, eosinphils, neutrophils
Acute infections
neutrophils (65 percent)
parasatic infections
eosinophils (5 percent)
Allergy inflammation
Basophil (1 percent)
Agranular Leukocytes:
lymphocytes and monocytes
Lymphocytes
Specific immune response (about 20 percent)
Monocytes
Chronic infections ( about 8 percent)
Develop into macrophages in tissues and phagocytize pathogens or debris
Monocytes
Mount immune response by direct cell attack or via antibody production
lymphocyte
Release histamine and other mediators of inflammation, contain heparin and anticoulagulant
Basophil
RBC carries the Rh antigen
Rh positive
RBC lack this antigen
Rh negative
Normal blood volume in men
5-6 liters
Normal blood volume in women
4-5 liters
Functions of blood include
distribution, regulation, and protection
Complex role in allergy and asthma
esonophil
