PM Tue Feb 75T40 The diagram shown depicts an essential pathway for which of the following elements of the muresponse?OA) Degradation of phagocytosed microorganismsB) Presentation of class I antigens to T lymphocytesC) Presentation of class II antigens to T lymphocytesOD) Secretion of interleukin-2 (IL-2) by activated CD4+ T lymphocytesOE) Surface expression of immunoglobulin on B lymphocytesER-Endoplasmic reticulumTAP-Transporters associated with anger100%+:

Here we have to describe about the mechanism that is showing in the picture

Answered: 40. The diagram shown depicts an…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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T cells can differentiate into 5 different subsets of helper T cells. Answer the following questions for TH1 cells: A) In general, list three unique factors that differentiate the TH1 subset from the other subsets. B) For each of those factors identified in A, provide one specific example that applies to TH1 cells. C) What type of pathogens are targeted by the TH1 cells?
An adaptive immune response underlying coeliac disease pathogenesis involves: a) Production of Th1 (T helper cell 1 type) cytokines that act to promote the production of antibodies to gluten peptides b) Production of anti-gliadin and anti-tissue transglutaminase antibodies via TH2 cytokines c) Conversion of glutamate to glutamine by deamination d) The early recognition of gluten peptides via pattern recognition receptors on epithelial cells and the subsequent release of Interleukin 15
1- B cell clones undergo somatic hypermutation in which structure? Group of answer choices A) Thymic cortex B) Bone marrow C) Primary focus D) Germinal center dark zone 2- During T cell development, the surrogate alpha chain (pTalpha) is considered analogous to the surrogate light chains (lambda5 and VpreB) expressed during B cell development. Which complexes do these surrogate protein chains help form in T cell and B cells, respectively? Group of answer choices A) Mature TCR and transitional B cell BCR B) Double positive thymocyte CD4/CD8 complex and mature naive B cell IgD/IgM complex C) preTCR and preBCR D) Thymic progenitor Notch receptor and early pro-B cell IL-7 receptor
c) State some of the features that cross the cell membrane and make "porin proteins" specific. d) Briefly clarify the concepts of "acylation", "prenylation" and "GPI stabilizer" in the context of membrane protein interactions. e) When determining ABO Blood Groups, give information about which blood group data can be obtained depending on the interaction of which antigens in the red blood cell and which antibodies in the serum.
30. What is the correct unit for WBC count? YOUR TRAINING. YOUR CAREER. YOUR FUTURE. a) 103 /L b) 105L c) 10/L d) 10L e) 1012/L 31. Which of the following is not a type of T lymphocytes? a) killer cell b) memory cell c) suppressor cell d) plasma cell e) helper cell 32. When preparing a reticulocyte smear: a) the stains used are new methylene blue or brilliant cresyl blue b) the stain and blood must react together for 15 minutes prior to making smear c) the smear may be stained with Wright's stain after drying d) two of the above 33. If a supersaturated solution is allowed to cool: a) it will sublimate b) the solute will precipitate out of the solution c) more solute can be added to the solution d) it will become an isotonic solution 34. Rejection of an implanted organ is due to: a) autoimmunity b) isoimmunity c) artificial passive immunity d) natural passive immunity 35. Sickle sell disease: a) is due to sex linked inheritance b) is due to incomplete dominance inheritance c) requires a…
Which of the followings is molecular pathology associated with ADA mutations that cause immunodeficiency? a) accumulation of deoxyadenosine and its precursors S-adenosylhomocysteine and deoxyadenosine triphosphate (dATP) with toxic effects on immature lymphocytes, b)accumulation of deoxyguanosine and deoxyguanosine triphosphate, with toxic effects on immature lymphocytes
Removal of apoptotic cells are done by: Question 6 options: a) phagocytes or neighboring cells. b) circulatory system sweeping away the fragmented cells. c) fragmentation of the cell into small enough pieces that they are swept away by extracellular fluid. d) fusion of the apoptotic cell to neighboring cells to form multinucleate cells. e) migration of the apoptotic cells from the tissue to the lymphatic system to be flushed out.
Aid Mental ne A) Activation of PECAM-1 B) Blockage of P-selectin sites C) Deactivation of thromboplastin D) Downregulation of Hageman factor E) Upregulation of neutrophil LFA-1 PARA 116. A 28-year-old woman comes to the physician because of a 1-week history of painful, red skin spots. Physical examination shows multiple tender petechial hemorrhages. A biopsy specimen of one of the lesions shows leuko-cytoclastic vasculitis. The physician plans to prescribe a new anti-inflammatory drug. Which of the following mechanisms of action of this drug is most likely to relieve this patient's disease progress?
B cell-receptors differ from T cell-receptors in that ________. A) B cell-receptors are immunoglobulins similar to those that are secreted, whereas T cell-receptors are not immunoglobulins and are never secreted B) T cell-receptors are much smaller than B cell-receptors C) All of the choices reflect differences between B cell- and T cell-receptors. D) B cell-receptors are comprised of four polypeptides, whereas T cell-receptors are made up of two polypeptides
.A table comparing the biological characteristics of the five classes of immunoglobulins is shown below. Answer yes or no in the spaces provided, (You can draw the table in your answer paper) IgE IgD Biological activity a) Activates classical complement pathway b) Present on the membrane of the mature B cells c) Present in secretions d) Induces mast-cell degranulation e) Crosses placenta IgG IgA IgM
Which antibody type description among A- D is falsely characterized? A) O IgA: form dimers; prevent adherence of pathogens to mucosal surfaces 1f1 B) O IgG: circulating antibody with multiple functions; formed in high numbers in secondary antibody response C) O IgM: forms multimers whose function is agglutination of infectious microbes D) O IgE, IgD: carry out their function while bound to the surfaces of specific cell types E) O None are false, A-D are all correct
Use the following choices for the next set of questions. A choice may be used zero or more times: a)CD4 b) CD8 c) lg d) TCR e) More than one of these 26) Found on the cell surface 27) Expressed by T helper cells as a co-receptor 28) Expressed by B lymphocytes 29) Associated with cell that produces perforin 30) Composed of heavy and light chain 31) Capable of recognizing a carbohydrate antigen 32) Has effector functions

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