BLD 204

BLD 204 CANCER AND GENETICS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE What is tumor progression? Over a period of time, many tumors become more aggressive and resistant to treatment over time What is the process cancers go through that leads to tumor progression? Darwinian selection What are the three main characteristics of Darwinian selection? 1. Immune and non-immune selective pressures acting on cancer cells 2. Subclass that bear advantageous mutation...

BLD204 EXAM 2 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE GRADED A++ Differentiate between a humoral and cellular immune response based on cell type and rate of response to antigen challenge Define antigen and antibody Antigen: molecules recognized as "non-self" - > capable of inducing an immune response -> just one part is recognized, the epitope -> 2 types: 1. Endogenous (native to host) 2. Exogenous (environmental) Antibody: also known as ...

BLD 204 EXAM 3 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE What is the inner part of a blood vessel called? The luminal lining (it is the endothelial layer) What is the outer part of the blood vessel called? The smooth muscle and ECM What are the three layers of the blood vessel from innermost to outermost? Intima, media, adventitia What are tiny capillaries called? Pericytes What are the jobs of the endothelium (6)? Maintain thrombosis balance Influence s...

BLD 204 BIG QUIZ EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE Define the following: environmental disease, toxicology, dosage. Environmental Disease: Disorders caused by exposure to chemicals or physical agents like radiation in the ambient, workplace, or personal environments. Dependent on general health, age, genes, tissue types... Toxicology: The science of poisons. 1. Distribution 2. Effects 3. Mechanisms 4. Physical Agents Dosage: a level of exp...

BLD 204 EXAM 3 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE endothelium maintains thrombosis balance, influences smooth muscle cell behavior, modulates inflammation, influences growth of other cell types, modulates vascular permeability, oxidizes LDL -change shape -produce adhesion molecules -produce cytokines and coagulation influencing factors -fast and slow responses -too long an exposure to inducers = dysfunction and damage endothelial cell acitvation -ba...

BLD204 - 2 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE wuts on the helper T cell CD3, CD4, TCR, and MHC class 1 wuts on the cytotoxic t cell CD3, CD8, TCR, and MHC class 1 wuts on the B cell BCR, MHC class 1, and MHC class 2 human immunity characteristics recognition of self and non-self, memory antigens molecules recognized as non-self, can be exogenous or endogenous innate immunity 1st rxn, not antigen specific adaptive immunity 2ns rxn, specific...

BLD 204 MT EXAM QUESTIONS AND ANSWERS WITH DETAILED COMPLETE SOLUTIONS LATEST UPDATE Sphygm(o)- Class: Combining form Definition: "pulse" Arter(o)- Class: combining form Definition: "artery" Angi(o)- Class: combining form Definition: "vessel" Vas(o)- Class: combining form Definition: "vessel" Phleb(o)- Class: combining form Definition: "vein" Infarc- Class: "root" Definition: "to stuff in" Isch(o)- Class: combining form Definition:...

BLD 204 - 3 EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ blood vessel parts smooth muscle, luminal lining (endothelial layer), and lumen (empty space) arteries -large and elastic or -medium and muscular or -small -away from heart veins Blood vessels that carry blood back to the heart capillaries -pericyte -microscopic vessel through which exchanges take place between the blood and cells of the body lymphatics transport interstitial fluid to blood endothel...

BLD 204 EXAM 3 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ Repeated thrombi blocking coronary arteries Which of the following would have the most serious clinical significance? Activate platelet aggregation Which of the following is a function of thrombosis Causing endothelial injury Which of the following is a way that turbulent blood flow can promote thrombosis? Plasmin (Degrades fibrin) What molecule cleaves fibrin to dissolve clots? 1. Vasoconstriction 2. Pl...

BLD 204 EXAM 2 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE GRADED A++ Molecules that are recognized as "non-self." Can be endogenous or exogenous. Antigen (Ag) Known as immunoglobulin, contains two identical Ag binding sites and has (5) different types Antibody (Ab) 3 Professional Antigen Presenting Cells (APC's) 1. Macrophages 2. Dendritic Cells (DC) 3. B-Cells Function of Dendritic Cells in immune responses and location found 1. Take in Ag and pr...