Epitopes - Samenvattingen, Aantekeningen en Examens

Which of the following is least likely to contribute to the spread of HIV infection? a) Sharing of intravenous needles b) Oral sex c) Vaginal intercourse d) Mosquitoes - d) mosquitoes HIV is not spread through mosquitoes or other vectors. All the other options are known methods of spreading HIV. The nurse is caring for a client who has just learned that he is HIV positive. The client asks the nurse how long he has been able to infect others. Select the best response by the nurse...

RNAS-C Exam 4 Practice Test 75 Questions with Verified Answers A couple expecting their second child is worried about Rh incompatibility. Their first child was Rh+. They have their blood typed. Which result would be cause for alarm? A) both parents Rh- B) both parents Rh+ C) man Rh- and woman Rh+ D) man Rh+ and woman Rh- - CORRECT ANSWER D) man Rh+ and woman Rh- Research indicates that allergies may actually be due to a mutation in the gene that encodes a skin protein called __________...

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...

NSG 532 Exam 4 Practice Questions With 100% Correct Answers Define Immunology - ANSWER The science of self (well ordered host) and non-self (pathogens/disordered self) discrimination Define physiologic responses of the immune system - ANSWER Proper self recognition Effective immune responses Complete elimination Long lasting remembrance Define pathological responses of the immune system - ANSWER Hyperactivity -autoimmunity -hypersensitivity Hypoa...

Tolerance - ANSWER A stage of immunologic unresponsiveness to particular antigens or sets of anitgens; Typically, an organism is unresponsive or tolerant to self antigens Sequential Epitopes - ANSWER Two or more antigenic determinants formed by a single sequence of amino acids. Nonsequential Epitopes - ANSWER Epitopes that are far apart in the primary sequence of the polypetide chain, but close together in the teritary structure of the molecules.

BPS 1101 – Final Exam Study Guide Questions with Complete Solutions What are allergies? - Correct Answer Adverse reaction to harmless materials. What is your immune system responding to in the case of allergies? - Correct Answer Epitopes of molecules from pathogens. How does your immune system "remember" the material? - Correct Answer Memory cells How does subsequent exposure produce a reaction? - Correct Answer -Protection from pathogens Will you get an allergic response from t...

Immunology- Block 1 Exam Questions With Answers Pattern Associated Molecular Patterns (PAMPs) molecules shared by groups of related microbes that are essential for the survival of those organisms Ligand any molecule or atom which binds reversibly to a protein Epitope smallest molecular structure recognized by a specific receptor Dendritic Cells, Macrophages, B Cells What are the professional APCs? Peripheral Tolerance of T Cells Auto reactive lymphocytes are kept anergi...

Define Immunology -Correct Answer The science of self (well ordered host) and non-self (pathogens/disordered self) discrimination Define physiologic responses of the immune system -Correct Answer Proper self recognition Effective immune responses Complete elimination Long lasting remembrance Define pathological responses of the immune system -Correct Answer Hyperactivity -autoimmunity -hypersensitivity Hypoactivity -immune deficiencies -malignancies -infections Describe...

The binding of only one _____ can activate the Classical Pathway of complement? - correct answer IgM Hydrolysis of C5 yields the _____ fragment which diffuses away from the site and functions as an anaphylatoxin - correct answer C5a What is the first step in the Terminal pathway of complement activation? - correct answer cleavage of C5 to C5a and C5b basophil - correct answer The nucleus is segmented and the granules in the cytoplasm have a high affinity for the basic blue dyes so they ...

_______ genes code for cell growth - Answer Proto-oncogenes _________ are the sites on an anitgen where antibodies can bind - Answer Epitopes ___________ become a problem when they cause too much growth - Answer Proto- oncogenes _______________ become a problem when they are underactive - Answer Tumor suppressor genes