Mhc class i Samenvattingen, Aantekeningen en Examens

Test Bank for Pathophysiology 9th Edition Mccance 2023 ANS: A B-cell function is altered with age as shown by decreases in specific antibody production in response to antigenic challenge, with concomitant increases in circulating immune complexes and in circulating autoantibodies (antibodies against self-antigens). Aging does not play a role in either decreasing T cells circulation or increasing helper T cells production. PTS: 1 DIF: Cognitive Level: Remembering 25....

Which of the following is not a secondary lymphoid organ? a. Spleen b. Thymus c. Lymph nodes d. Liver e. Tonsils - Answer- b. Thymus Which of the following is not a secondary lymphoid organ? a. Spleen b. Thymus c. Lymph nodes d. Liver e. Tonsils - Answer- d. Liver Opsonization is a term to describe what? a. Lysis of bacteria b. Coating of bacteria c. Ingestion of bacteria d. Killing of bacteria e. Phagocytosis - Answer- b. Coating of bacteria Which of the following does n...

Test Bank for Clinical Immunology and Serology a Laboratory Perspective 4th Edition By Christine Dorresteyn Stevens Linda E. miller Chapter 1-24 Latest Guide 2023-2024. Which of the following is a characteristic of natural killer cells? A. They mature in the thymus. B. They are smaller than B and T cells. C. They are a type of lymphocyte. D. They are part of the adaptive immune system. ANS: C 5. Which of the following best describes diapedesis? A. Movement toward increasing concentrations...

Which strand is produced more rapidly? - ANSWER-Leading strand During DNA replication in the lagging strand there is production of this component? - ANSWER-Okazaki fragment How many "stop" codons exist? - ANSWER-3 The double helix of DNA is wrapped about 1¾ times around which of these components? - ANSWER-Nucleosome Which enzyme unwraps the double helix? - ANSWER-Helicase In the ribosome, what is the name of the bond that links one amino acid to the next? - ANSWER-peptide bonds...

Question 1. For CD8+ T lymphocytes to recognize virally infected cells, the infected cells must — A. express functional HLA-DM molecules. B. express functional transporter associated with antigen presentation (TAP) 1 and 2 proteins. C. have trafficked through a germinal center. D. extinguish expression of its class I HLA molecules. correct answer: 1. Answer: B Explanation: In virus-infected cells, some viral proteins are degraded in the cellular proteasome, the major cellular protein de...

NAPSRx® Final Exam Quiz Solution 2021-2022 Rated A+ 144 Correct Answers out of 160 [Answer-Key] [2022] (92% Result) Answer key for 16th Edition CNPR Pharmaceutical Sales Reps Exam Answer Marked in Green Color 1. How are drugs sorted into therapeutic groups and classes? A. first by the conditions that they are used to treat. and then by their mechanisms of action B. First by their mechanisms of action. and then by their therapeutic effects C. First by their side effects. and ...

ASU BIO 181 Exam 2 Questions and Answers 2023 Specifically in a cell where does Glycolysis occur? Cytoplasm T/F The cell does not need ATP to survive. False Where is carbon dioxide produced? Mitochondrial matrix T/F The citric acid/Kreb's cycle breaks down carbohydrates into CO2. True T/F FADH2 results as one of the products of the citric acid cycle. True Specifically where in a cell does the citric acid/Kreb's cycle occur? Mitochondrial Matrix ...

T-cell receptors, when coexpressed with CDS mole cules, are restricted to recognizing and binding peptide fragments associated with A. CD3 molecules. B. CD4 molecules. C. MHC class I molecules. D. MHC class II molecules. E. MHC class Ill molecules. - The correct answer is C. cos+ T cells are re stricted to the recognition of pMHC I complexes. C03 molecules are associated with the TCR on the T-cell surface and are found on both mature C04+ and cos+ T cells. C04+ T cells are restricted to ...

______ 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 ...

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...