Mhc ii Study guides, Class notes & Summaries

______ greatly activates the classical pathway of complement activation - IgM _______ is expressed by T cells whose function is to activate other cells. - CD4 ___________ is expressed by cytotoxic T cells - CD8 ____________ molecules present peptides from pathogens, commonly viruses, to CD8 T cells, which are specialized to kill any cell that they specifically recognize. - MHC class I _____________ increases the expression of both MHC Class I and MHC Class II molecules, and can induce the ...

MN 551 Midterm Exam 2023/2024 Saved A patient is experiencing impaired circulation secondary to increased systemic arterial pressure. Which of the following statements is the most relevant phenomenon? Question 1 options: Increased preload due to vascular resistance High afterload because of backpressure against the left ventricle Impaired contractility due to aortic resistance Systolic impairment because of arterial stenosis Question 2 (2 points) Saved A nurse practitioner employe...

Antigen Shape to Antibody Shape - Answer-Simple = Pocket Large = Groove Complex = Extended Surface Type of chemical bond used with antibodies - Answer-1)Electrostatic 2) Hydrogen bonds 3) Van der Waals forces 4) Hydrophobic interactions Cross reactivity - Answer-The biding site can accept a shape close enough in shape and get reaction or a stable structure Ex. Penicillin and other B-lactam Diagnostic tests for antibody/antigen - Answer-ELISA Lateral Flow test (pregnancy hCG) Immunofl...

Immunology Final Exam A vaccine is attempting to stimulate the adaptive immune system to create memory. (slide 1:2) a. true b. false - a. true A vaccine is attempting to stimulate the adaptive immune system to create a better innate response. (slide 1:2) a. true b. false - b. false *A vaccine is attempting to stimulate the adaptive immune system to create MEMORY. However, we are just beginning to appreciate the role of the innate immune system in this process. In order to ...

NBME 30| Questions and Answers, 100% Correct difference b/w Kwashiorkor & Marasmus - kwashiorkor (edematous malnutrition): marasmus PLUS EDEMA - marasmus (WASTING SYNDROME): skin lesions, fatty liver, acute proteinenergy malnutrition with decreased arm circumference, weight per length or BMI deformation disruption in organ morphogenesis occurring AFTER embryonic period; extrinsic force limits normal organ development vascular changes in chronic HTN - hyaline arteriolosclerosis: protein...

What is the hapten-carrier effect? correct answer: Small-molecule antigen requires covalent linkage to a larger carrier to stimulate adaptive immune response. The process is achieved in collaboration between hapten-specific B cells and carrier-specific T cells. This is the basis of developing conjugated vaccines. What are the common superantigens and related diseases? correct answer: SEB and SEC from Staphylococcus aureus cause food poisoning. TSST from Staphylococcus aureus and SPE-C from ...

When preparing cryoprecipitate from plasma, the cryoprecipitate must be refrozen within? correct answers 1 hour Donated blood may not be used for allogeneic transfusion when HCV testing shows? correct answers EIA initial testing reactive, and one of the duplicate repeat results is reactive The following hepatitis B testing results indicates: HBsAg: Nonreactive, Anti-HBc: Reactive, Anti-HBs: Reactive, RNA HBV: nonreactive. correct answers Recurring infection (CDC says immune due to natural ...

ACAAI Review for the Allergy & Immunology Boards Flash Cards ALL CHAPTERS Questions and Answers 100% Solved What is the hapten-carrier effect? Small-molecule antigen requires covalent linkage to a larger carrier to stimulate adaptive immune response. The process is achieved in collaboration between hapten-specific B cells and carrier-specific T cells. This is the basis of developing conjugated vaccines. What are the common superantigens and related diseases? SEB and SEC from Staphyl...

Immunoglobulins are secreted by which type of cell? A. B-lymphocyte B. Megakaryocyte C. T-lymphocyte D. Natural killer - Answer A. B-lymphocyte B lymphocytes synthesize and secrete immunoglobulins. Which portion of the immunoglobulin activates the complement pathway? A. MHC Class I B. Fab C. Fc D. MHC Class II - Answer C. Fc The Fc region activates the complement pathway. Which of the following is a class II HLA antigen? A. B B. DR C. A D. C - Answer B. DR HLA DR, DQ and DP are ...

ACAAI Review for the Allergy & Immunology Boards ALL CHAPTERS with Complete SolutionsACAAI Review for the Allergy & Immunology Boards ALL CHAPTERS with Complete SolutionsACAAI Review for the Allergy & Immunology Boards ALL CHAPTERS with Complete Solutions What is the hapten-carrier effect? - ANSWER-Small-molecule antigen requires covalent linkage to a larger carrier to stimulate adaptive immune response. The process is achieved in collaboration between hapten-specific B cells and carrier-specif...