receptorsbacteriumphagocytosisphagosomephagolysosomeslysosomesoluble debrisexocytosis Select all of the statements that are true about the grey cell shown in the image.A. This cell is a macrophage.B. This cell is an antigen-presenting cell.C. This cell is involved in innate and adaptive immune responsesD. This cell uses lysozyme to kill pathogens.E. This cell will produce antibodies after it is activated.

In order to protect the body from dangerous invaders like bacteria, viruses, fungi, and parasites as…

Answered: Select all of the statements that are…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Similar questions

Helper T cells can be activated by macrophages(which engulf everything indiscriminately) or by B cells (which only engulf antigens that stick to their receptors). A. What properties so macrophages and B cells have ibn common that allows them both to activate T cells? B. It has been suggested that macrophages probably do most to fhte T cell activating in the primary response but B cells do most of it in the secondary response. Why does this make sense?
The immune system includes the various responses the body uses to ensure survival in the presence of disease-causing agents. Identify the example of innate immunity. A. Infected host cells are killed by toxic proteins from cytotoxic T cells. B. Toll-like receptors bind to foreign molecule fragments to initiate immune response. C. CD4 accessory proteins on the helper T cell surface bind to class II MHC molecules. D. IgE antibodies recognize and attach to pollen grains, stimulating an allergic reaction.
Which of the following cell types is unable to interact with naive T cells and induce their activation? (Select all that apply.) a. B cells b. macrophages resident in infected tissues c. macrophages resident in secondary lymphoid tissue d. interdigitating reticular cells e. immature dendritic cells.
Dendritic cells take up, process or present antigen by all of the following routes except Select one: a. receptor-mediated endocytosis of bacteria. b. macropinocytosis of bacteria or viruses. c. uptake of viruses using Toll-like receptor TLR9. d. cross-presentation from the MHC class II pathway to the MHC class I pathway. Oe. cross-presentation from incoming infected dendritic cells to healthy resident dendritic cells in secondary lymphoid tissue. Of. delivery of viral peptides from cytosol to endoplasmic reticulum during viral infection.
All of the following are phagocytic cells except a. neutrophils. b. T-lymphocytes. c. macrophages. d. dendritic cells.
Chronic granulomatous disease Select one: A. is caused by a decrease in the number of phagocytes. B. can lead to severe combined immunodeficiency. C. is a genetic disease. D. is triggered by an autoantibody against phagocytes. E. is due to a deficiency of B cells and T cells.
In which cells are the enzyme TdT actively functioning? (select all that apply) Select one or more: a. immature B cells b. plasma cells c. hematopoietic stem cells d. pro-B cells
Any aspect of the immune system can be deficient. Which of the following deficiencies would primarily affect the BARRIER function of immunity? Group of answer choices A. Complement Deficiencies, in which a variety of complement proteins do not function properly B. DiGeorge Syndrome, in which the thymus does not develop properly C. Selective IgA deficiency, in which IgA antibodies are produced in very low amounts D. Severe Combined Immune Deficiency (SCID), in which all T and B cell functions are absent
Which components are considered a barrier to pathogen entry? all that apply Select one or more: a. PRRs b. plasma cells c. mucus d. lymph nodes e. lysozyme
Explain why each choice (a-d) is correct or incorrect. Which statement is true about T cells? a. They usually directly recognize antigens, which then activates a subpopulation of killer cells b. Their proliferation is enhanced by interleukins 1 and 2. c. Once activated, they cannot secrete cytokines. d. They will develop into cytotoxic T cells if antigen is complexed with class II MHC proteins.
Which of the following pairs is mismatched? a. plasma cell: mediation of phagocytosis and killing of microorganisms in the plasma b. megakaryocyte: formation of platelets c. dendritic cell: activation of adaptive immune responses d. natural killer cell: develops from a common lymphoid progenitor e. neutrophil: formation of pus f. regulatory T cell: inhibition of T-cell activity.
Frequently, several different signals or molecules are needed in order to produce an immune response by a B cell or T cell. The second signal in this process is called ___________. Select one: a. costimulation b. opsonization c. complement activation d. antigen processing e. copresentation

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