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83 Cards in this Set
- Front
- Back
Blood volumes proxy
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5L
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hematocrit proxy
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50%
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RBC count
platelet count wbc count proxy |
5 million
200000 10000 |
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protein in blood range
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6-8.4 g/dL
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Transferrin protein does
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transport iron
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albumin does
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keeps water balance in vessels
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carbonic anhydrase is/does?
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know it or blow it
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complement proteins activate?
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sumthin hold on...
the attack complex which lysis cells by insertion into membrane |
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Erythropoiesis is and works how, diease association
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formation of new RBC,
stim by erythropoietin and needs iron, folate and b12 polycythemia(excess RBCs), anemia |
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Polycythemia (2 typess)
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primary (vera)-> tumor like RBC production
secondary (physiological)-> adaptation to low oxy delivery, ex high altitude |
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Anemia of blood
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low RBC count, lack of energy, tiredness
Pernicous anemia lack of B12 |
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hemoglobin is bad for?
prevented from getting there? |
kidneys! cuz iron
the liver holds the iron with ferritin |
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Bilirubin is? accociated diseases
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heme is metabolized to bilirubin, excreted in bile and into SI
disease is Jaundice, excess bilirubin, grey stool,indicates problem with liver cells note in newborns phototherapy may be used to fix jaundice |
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WBCS! are and do
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Neutrolphils-> small phags, common
Eosinophils-> kill paracites, decrease inflam Basophils->release histamine, iflam cause Lymphocytes-> immunity Monocytes-> become macrophages |
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Hemostasis is and how done?
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arrest of bleeding
-vascular spasm -platelet plug -coagulation |
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platelet activation? its a doozy
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collagen shown- platelet adhere w/ vWf to collagen
activated by adhesion, granule release Thromboxane A2 produced, ADP, serotonin and platelet activating factor released stim other platelets A2 and sero vasoconstrict platelets also release Ca triggering clotting path platelet bind fibrinogen and fibrin threads to form plug |
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Integrin glycoprotein receptor
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only on platelets
binds fibrinogen after activation, can also bind vWf, fibronectin, vitronectin GPIIb-GPIIIa |
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Platelet regulation
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heparin on surface of good cells inhibit platelet adhesion
activation inhibited by prostacyclin produced by healthy cells |
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COX path in platelets and endothelial cells?
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both inhibited by aspirin
in platelets make Thromboxane A2 cause vasocontric and platelet activate in endothelial, inhibit activation of platelet and vasodilate |
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Warfarin action
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anticoagulant
antagonist of Vit. K blockin clotting factor production in liver |
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thrombolytic agents
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injected to dissolve clots
activate plasminogen->plasmin plasmin of course breaks down fibrin clot |
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Lymphatic system does
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fluid balance
fat absorption defence!!!!!! |
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Edema?
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abnormal accumulation of interstitial fluid beneath skin or in cavity
caused by fluid imbalance |
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Different pressures in lymph sys.
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push water out cappilary
Hydrostatic blood pressure-biggest Interstital Osmotic- small pull water in capillary Blood osmotic- sizable Interstitial Hydrostatic- 0 |
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where lymph sys empty into?
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subclavian veins in thoractic cav
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Tonsils and spleen?
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T: groups lymphatic nodules in oral cav.
groups: palatine, pharygeal, lingual S: left superior side abdomin filters blood removes bad RBCs, detects foreign substances |
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Thymus
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site of positive and negative selection of T cells and where they mature
in superior mediastimum |
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Selection of Lymphocytes
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+ve: ensure survival of lymphocytes that react against antigens
-ve: cut from team if react with self antigent |
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Antigen binding protein secreted by plasma cells
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immunoglobulin
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Membrane protein found on all nucleated cells
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MHC class I
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Membrane protein found on macrophages, B-lymphocytes, and dendritic cells
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MHC class II
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Protein produced by most cells that interferes with virus replication
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interferon
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A cell that secretes immunoglobulins
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plasma cell
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A cell that attacks virus infected cells
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Natural killer cell
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Lipid compounds that cause vascular changes and can stimulate pain receptors
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prostaglandins
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A reverse transcriptase inhibitor
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aziodothymidine (AZT)
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A group of proteins that form a membrane attack complex and can kill cells
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complement
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A cell that attacks parasites
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eosinophil
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A cell that produces clotting factors
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hepatocyte
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Protein produced by lymphocytes
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immunoglobulin
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May become an osteoclast
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monocyte
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The most numerous leukocyte
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neutrophil
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A cell that releases histaminase
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eosinophil
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Serum protein important for keeping water inside the blood vessels
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albumin
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A cell that transports oxygen and carbon dioxide
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erythrocyte
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A cell that releases histamine
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basophil
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Iron binding serum protein
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transferrin
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Plasma Protein not in serum?
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fibronogen, cuz serum has no clots
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Thalassemia
Sickle cell |
genetic diseases in hemoglobin leading to possible death
sickle less deadly, possible die 30 |
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erythropoietin, produced? acts? does?
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produced in kidney,
acts on bone marrow stim RBC development |
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aplastic anemia
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destruction of bone marrow stem cells aka no more RBCs from there
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thrombin is?
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coagulation protein, aka Factor IIa
convert Fibrinogen to fibrin |
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role of vWf in adhesion?
disease? |
vWf is where binding to collagen occurs
with the disease cant bind aka no coag. |
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Prostacyclin, produced where? effects?
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in endothelial cells, stops coag
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Abciximab is? does?
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-is integrin blocker that decreases platelet aggregation
-monoclonal antibody |
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Hirudin does? why more effective than heparin?
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anticoag.
doesnt need antithrombin III |
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why heparin and warfirin givin together?
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warfarin is slower acting so heparin is immediate effector
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tPA does?
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activate plasmin
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Blood hydrostatic
Blood osmotic Interstitial hydrostatic interstitial osmotic |
30-35
26-28 0 1-8 |
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Lymph nodes have __ in them?
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B-lymphos
T-lymphos macrophages other immune cells |
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where lymph nodes abundant, peyers patches?
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loose connective tissues of systems with movement (respiratory, urinary, digestive, reproductive)
PP:nodes in digestive |
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B-lymphos and what do they do?
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made in bone marrow, produce antibodies aka immunoglobulin
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helper T cells
suppressor T's T'cell receptors |
bind with CD4 with MHC II and antigen activate and activate B cells
Sup: prevent immune response to self T cell receptors on Helper T's |
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antigen presenting cells?
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MHC II molecules on macrophages and B lympos
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self antigens
apoptosis |
tolerated by immune system, shown by T cells that will undergo positive selection
A: programmed cells death, ex if you suck at being a T cell |
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CD-3 is and how useful
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on T-cells, part of T-cell recptor complex for binding with MHC II's,
Muromanab binds this and eliminates all T cells, for 48 hours, why? WTF knows |
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CD-4 vs CD-8
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CD-4 on helper T's, macrophages...
(MHC II) CD-8 on Cytotoxic T's. NK cells (MHC I) |
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interluekins can
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stim. B cells divide when released from helper T's
IL-2 cause helper Ts divide |
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Complement does? is activated by?
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complement moves around and finds cell with foreign Antibody and begins cascade with ends in cell lysis
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Rh and its problems and treatment
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in mothers that neg big deal, part of blood group
HDN is disease of newborn RhoGam prevents immune response |
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Factors effect blood vessel flow
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blood pressure
vessel length viscosity vessel diameter |
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Local regulation of blood flow controls
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O2
CO2 Acids Adenosine ATP NO think of shit you want rid of for dilation |
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Vasoconstrictor Chemicals
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NE, epi (Alpha 1)
serotonin Thromboxane A2 substance P endothelin aniotensin II vasopressin ATP |
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Vasodilalators
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Adenosin
NO Hisamine Prostacyclin Epi, NE (beta 2) Natriuretic peps |
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Adenosine increasing cAMP
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through Purinergic receoptors
specifically P1A2 (not P1A1) |
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Caffine blocks?
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Adenosine on P1A1 purogenic receptors
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Hyperemia types
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Active: increase blood flow cuz more metabolic activity
Reactive: increased flow after lack of flow |
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P2 Purinergic receptors?
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mediate ATP induced vasoconstriction
one is target of clopidogrel |
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Viagra works how?
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inhibits phosphodiesterase,
this increases GMP levels |
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Calcium-Calmodulin does
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activates myosin light chain kinase
this causes smooth muscle contraction |
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endothelial derived relaxation factor
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produced in endothelium of arterioles, along with NO cause vasodilation
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Endothelin
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vasoconstrictor produced by endothelial cells
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artery types
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elastic
muscular arterioles |