Which of these statements best demonstrates the difference between the action of B cells and T cells during an immune response? O B cells carry out the cell-mediated response; cytotoxic T cells carry out the humoral response B cells confer active immunity; cytotoxic T cells confer passive immunity B cells respond the first time a pathogen in present; cytotoxic T cells respond all subsequent times B cells secrete antibodies against a pathogen; cytotoxic T cells kill pathogen-infected host cells

Which of these statements best demonstrates the difference between the action of B cells and T cells during an immune response? O B cells carry out the cell-mediated response; cytotoxic T cells carry out the humoral response B cells confer active immunity; cytotoxic T cells confer passive immunity B cells respond the first time a pathogen in present; cytotoxic T cells respond all subsequent times B cells secrete antibodies against a pathogen; cytotoxic T cells kill pathogen-infected host cells

Principles Of Pharmacology Med Assist

6th Edition

ISBN:9781337512442

Author:RICE

Publisher:RICE

Chapter16: Antifungal, Antiviral, And Immunizing Agents

Section: Chapter Questions

Problem 8RQ

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Question 3 Select one answer.T cells come in several varieties. Cytotoxic T cells are important because they can become activated and kill target cells. Which of the following are not needed directly for Cytotoxic T cell activation? a. Cytokinesb. Interferonsc. Complementd. Antibodiese. All are correct
Which statement about antibodies is INCORRECT? Question 16 options: Antibodies can be both soluble and membrane-bound. Antibodies bind to antigens via induced fit. Antibodies never release antigens once they are bound together. More than 100 million different antibodies can be produced in humans. Antibodies typically bind to antigens more strongly than enzymes bind to substrates.
Question 27 The process responsible for the production of antibodies against allergens to ‘arm’ a mast cell is known as what? Question 27 options: Antigen processing Inflammation Sensitization Hyperreactivity
During fetal development, T and B lymphocytes undergo a process that prepares them to react only to one specific antigen. This process creates a library of naive T cells and B cells each with a unique T cell receptor and antibody, respectively. Describe briefly how this array of receptors are created. Be concise in your answer. No more than three sentences.
Question 78 Killed vaccines work by stimulating: Question 78 options: a) An antibody response b) Lymphocyte proliferation c) Cytotoxic T-cells d) Phagocytic activity
Which one of the following statements regarding our innate immune system is false? Question 15 options: The normal flora takes up space so that pathogenic microbes can't grow. The skin prevents entry of microbes into the body. Coughing speeds up the ciliary escalator, while smoking can destroy it. Phagocytosis destroys microbes that have escaped our physical and chemical barriers. Macrophages create antibodies against specific microbes.
Question 2: Select one answer.One of the results of the inflammatory response is accumulation of fluid in the affected area (edema). This happens in response to tissue injury such as a sprained ankle or an infection caused by a splinter in one’s finger. Select the correct statement from the choices below. a. Activation of the inflammatory response does not indicate a disruption of homeostasis. Presence of extra fluid in the tissues directly activates the innate immune response. b.The lymph vessels will eventually drain away the excess fluid. The kinin-kallikrein system causes capillary leakage resulting in edema. c. The lymph vessels will bring in the cells from the immune system to fight any potential infection. d. Tissue edema does not involve the lymphatic system e.Swelling from tissue injury happens because your body makes excess fluid in that area.
Topic: Immune Systems True or False When we contract COVID-19, our body will immediately produce antigen.
Which of the following lists contains cells that are typically considered to be associated with the innate immune response? Question 14 options: A) neutrophils, macrophages, T cells B) neutrophils, macrophages, NK cells C) B cells, T cells, and NK cells D) basophils, T cells, mast cells
Question 38 The constant region of each heavy chain determines the class of the heavy chain. Question 38 options: True False Question 39 The extensive variety of MHC proteins is apparent at a population level. Question 39 options: True False Question 40 the immunoglobulin sequences involved in antigen binding is situated in: Question 40 options: The constant region of the antibody The hyper-variable region of the antibody C terminal of the antibody Area close to disulfide bridges
Which of the following is a characteristic of humoral immunity? Question 9 options: A) The cells originate in the thymus. B) The cells are most effective against intracellular pathogens. C) Humoral immune cells inhibit the immune response. D) Humoral cells make antibodies.
Question 2 : Consider a disease for which only 25% of individuals who have become exposed are progressing to become infectious. However, whether or not an individual becomes infectious can only be determined after a 5-day latent period. Individuals who are not progressing to become infectious will remain susceptible. The average time an individual stays infective is 2 days. Also, after an average of 10 days after having recovered, 10% of recovered individuals will revert to become susceptible again. 90% of the individuals, however, acquire lifelong immunity. (a) Develop the transition diagram that depicts the move of individuals between compartments. Hint: you can use PowerPoint or online tool such as https://app.diagrams.net/ to draw the diagram. The diagram should contain the labels of the stages and have arrows indicating from one stage to another stage. ******Susceptible, invectives, and recovered individuals in the SIR model are moving through "the compartments " S-I-R.…