Blood Flashcards
Total iron in the body
4-5g
Acts as an acid base buffer for whole blood
Carbonic anhydrase
Primary storage protein of iron in the liver
Ferritin
Secondary storage protein of iron
Hemosiderin
Transport of iron
Transferrin
Most numerous wbcs
Neutrophils
Least numerous wbcs
Basophils
Highly lobulated nucleus
Neutrophils
Bilobed nucleus, stain bright red with eosin dyr
Eosinophils
Bilobed/trilobed nucleus, largely densely basophilic(blue granules)
Basophils
Produces histamine, heparin, bradykinin, serotonin
Basophils
Largest wbc
Monocytes
Eccentrically placed nucleus
Monocyte
Life span of plateletd
7-10 days
Smallest wbc
Lymphocytes
Round densely stained nucleus with a pale basophilic non granular cytoplasm
Lymphocytes
Movement of neutrophils and macrophages
Ameboid
1st line of defense of the body
Tissue macrophages
2nd and 3rd line of defende
Neutrophils, monocytes
Adaptive immunity involves the formation of?
Antibodies
Divalent antibody
IgG
Most abundant antibody
IgG
Smallest ; secondary responses; so many
IgG
Primary immune response
IgM
Largest
IgM
Antibody that acts as an antigen receptor
IgD
Mechanism of action of antibiodies
Direct- agglutination, precipitation, neutralization, lysis; indirect- complement system
Complement is reponsible for
Opsonization, membrane attack complex, stimulation of inflammation
Complement responsible for opsonization
C3b
Complement that is anaphylatoxin
C3a,4a,5a
Complement wc is chemotactic
C5a
Complement wc is part of the membrane attack complex
C5b -C9
T helper cell: CD ___ and MHC ___
4, II
Cytotoxic T cells: CD ___ and MHC ___
8 and I
Targets virally infected cells, cancer cells, transplanted cells
Cytotoxic T cells
Suppresses action of helper T and cytotoxic T cells
Suppressor T cells
Activates helper t cells
IL 1
Activated cytotoxic, suppressor and memory t cells
IL 2
Activates B cells
IL 4,5,6
Antigen found in type A blood
N acetyl galactosamine
Antigen in type b bloodw
Galactose
Antigen in Rh + blood
D antigen
Cells responsible for graft rejection
T cells
Drugs used for graft rejection
Glucocorticoids, azathioprine, cyclosporine
Events in hemostasis
Vascular constriction, platelet plug formation, blood coagulation,
Mechanisms for platelet plug formation
Platelet adhesion, platelet aggregation
Responsible for platelet adhesion
vWF, glycoprotein 1b
responsible for platelet aggregation
Fibrinogen, glycoprotein IIb and IIIa
Converts prothrombin to thrombin
Prothrombin activator
Converts fibrinogen to fibrin
Thrombin
Important cation in blood coagulation
Ca
Pathway when there is trauma to vascular walls; faster and more explosive
Extrinsic
Pathway when there is trauma to blood cells or exposure to blood collagen from traumatized vessel walls
Intrinsic
The extrinsic pathway is initiated by
Tissue factor
Extrinsic pathway involves wc clotting factors
V, VII, X
thrombin causes a positive feedback by activation of wc clotting factor
v
Intrinsic pathway is initiated by
Factor XII and platelets
Clotting factors involved in intrinsic pathway
8,9,11,12
Clotting factors common to both intrinsic and extrinsic pathway
V,X
Hemophilia A is due to a deficiency in
Factor VIII
Hemophilia B is due to a deficiency in
IX
Hemophilia C is due to a deficiency in
XI
Hageman factor
XII
Calcium is factor?
IV
Stuart factor
X
Converts plasminogen to plasmin
Tissue plasminogen activator