Mhc classes Samenvattingen, Aantekeningen en Examens

MHC restriction correct answers selection of T cells that react with MHC antigens that are produced by and found on host (self) cells and causing their death by apoptosis -occurs because functional T cells need to be able to recognize both foreign AND self MHC antigens cytokines correct answers soluble mediators that bind to receptors on target cells to cause hormone like actions and alter the activity of target cells interleukins (IL) correct answers cytokines that are released by WBCs t...

ACHS Immunology Exam 1 Questions & Answers 2023/2024 What does MHC stand for? What does it to? - ANSWER-major histocompatibility complex; group of genes that code for proteins found on the surfaces of cells that help the immune system recognize foreign substances. Why is the MHC called a complex? - ANSWER-- It is enclosed by a cluster of closely associated genes within a long continuous stretch of chromosome -Located on human chromosome 6 3 classes of molecules in the MHC complex - A...

Ca+2 levels are maintained at low levels in the cytosol by which of the following? - A. Ca+2 ATPase pumps on the ER membrane (SERCA) B. Ca+2/Na+ exchangers on plasma membrane C. Ca+2 ATPase pumps on plasma membrane ***D. all of the above Patterning is best described as which of the following? - A. Ability of a cell or tissue to influence the developmental fate of nearby cells/tissue - can be by diffusible chemical signal or cell contact B. Emergence of characteristic shape and organizati...

MMSC 360 Final Exam – Questions & Answers (Graded A+) MMSC 360 Final Exam – Questions & Answers (Graded A+) MHC restriction - ANSWER - selection of T cells that react with MHC antigens that are produced by and found on host (self) cells and causing their death by apoptosis -occurs because functional T cells need to be able to recognize both foreign AND self MHC antigens cytokines - ANSWER - soluble mediators that bind to receptors on target cells to cause hormone like actions and a...

NAPSRx Final Exam NAPSRX Test CNRP 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 then by their therapeutic effects D. first by their toxicity. and then by their effectiveness 2. Bone marrow transplants... A. require that the patient first undergo chemotherapy or ra...

OpenStax Microbiology Test Bank Chapter 18: Adaptive Specific Host Defenses * = Correct answer Multiple Choice 1. Which of the following are the primary cells involved in the adaptive immune system? A. dendritic cells B. eosinophils C. lymphocytes* D. macrophages 2. Antibodies are made up of which of the following? A. carbohydrates B. glycoproteins* C. lipids D. nucleic acids 3. Which molecular fragment on an antigen molecule do antibodies recognize and respond to? A. ep...

Concerning antigen-antibody reactions, the prozone effect causes which of the following results? A. False positive B. False negative C. No reaction D. Mixed field reaction B. False negative The following characteristics are applicable to Interferon-Gamma Release Assays (IGRAs) except: A. Can be used in patients with active tuberculosis disease symptoms B. Preferable for patients who have received a bacillus Calmette-Guérin (BCG) vaccination C. Can be used instead of purified ...

CSMLS Practice Complete Guide ____ is an illness noted in the Biohazard Level 3 category. a. Chicken pox. b. Hepatitis A. c. West Nile virus. d. Ebola. c A Medical Laboratory Technologist from the RAH Laboratory is part of a team traveling to the North Thunder Bay Laboratory to assess if that laboratory is adhering to the set standards for laboratory services. This MLT is taking part in which one of the following processes? Select one: a. Risk Management b. Quality Improvem...

El Camino College Compton Educational Center Microbiology 33 Final Lecture Exam A & B By Dr. Eyob Wallano Instruction: Please use the provided scantron to answer all questions from each section. 5% will be taken off from your total score if any marking is left on the exam booklet. Section E and F will be answered separately on provided paper and submitted with the booklet. Section A. Multiple Choice 1. An epidemic disease is one that A. breaks out in higher than usual proportions in a p...

PIONEER ISBBCross-reactivity A phenomenon that occurs when an antibody reacts with antigen that is structurally similar to the original antigen that induced antibody production Karl Landsteiner This person Immunized rabbits with haptens attached to a carrier molecule and then tested the serum to measure how the antibodies produced reacted with different haptens Ability of the individual to resist infection by means of normally present body functions Characteristic of natural imm...