Homework Answers
opsonization means complement binds to the bacteria and make it target for the phagocytosis by macrophages os the answer is opsonization of bacteria by complement.
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Which of the following increases macrophage phagocytosis of a bacteria opsinizationof the bacteria by complement production...
Question 7 (2 points) Saved Which of the following increases macrophage phagocytosis of a bacteria o...
Question 7 (2 points) Saved Which of the following increases macrophage phagocytosis of a bacteria o opsinizationof the bacteria by complement production of igD antibody to that bacteria interferon production movement of T cells through the thymus Question 8 (2 points) Saved Complement is made by the liver the thymus the B cells the T cells Question 9 (2 points) Saved Mucous membranes are different from the skin in that 5 6 7 8 9
Which of the following is NOT a function of a macrophage? store iron iniate the immune...
Which of the following is NOT a function of a macrophage? store iron iniate the immune response phagocytosis of cellular debris cause an allergic reaction through the release of histamine
Which of the following is a step required for T cytotoxic cell activation - SELECT ALL...
Which of the following is a step required for T cytotoxic cell activation - SELECT ALL THAT APPLY Group of answer choices activation of the complement antigen binding to antibody CD4 binding to MHC-I T cell receptor (TCR) binding to antigen Which of the following is a direct consequence of T cytotoxic cell activation -SELECT ALL THAT APPLY Group of answer choices phagocytosis release of perforin and granzyme activation of the complement system release of alpha and beta interferon death...
The first layer of protection is: Antimicrobial peptides. Skin. Macrophages. B cells. Which complement pathway generates...
The first layer of protection is: Antimicrobial peptides. Skin. Macrophages. B cells. Which complement pathway generates the membrane attack complex (MAC)? Lectin pathway. Classical pathway. Alternative pathway. All of the above. Antibodies function by: Neutralization. Opsonization. Complement activation. All of the above. The function of the variable region of the antibody is to: Signals through B cell receptor. Binds to antigens. Binds to Fc receptors. Both a and c. B cells develop in the: Blood. Bone. Thymus. Tissues. Compare and...
Which of the following is true of B cells? Select one: a. They differentiate into macrophage...
Which of the following is true of B cells? Select one: a. They differentiate into macrophage b. They present antigens c. They are responsible for cell mediated immunity d. They secrete cytokines Suppose an individual has impaired histamine release from mast cells. This individual may have lower levels of which antibody class? Select one: a. IgA X c. IgE d. IgM Identify the component that is NOT part of innate immune defenses. Select one: a. skin b. cytotoxic T cells...
Question 1 (2 points) Saved Which of the following is a charcteristic of the innate immune...
Question 1 (2 points) Saved Which of the following is a charcteristic of the innate immune system but not the specific/adaptive immune system? - B cells produce antibody CD4 T cells organize the response can activate quickly has memory of a pathogen/antigen after the response Question 2 (2 points) In an immune response to a specific bacteria, which of the following happens after all of the others? production of IgA that can bind to the pathogen phagocytosis of the bacteria...
Which of the following statements is correct about the production of antibodies after stimulation of B...
Which of the following statements is correct about the production of antibodies after stimulation of B cells by antigen? Multiple Choice a. Later, under the influence of T-helper cells, IgM-secreting plasma cells may stop producing and secreting IgM in favor of another antibody class, usually IgD. b. Pentameric IgM serves as the B-cell receptor for antigen, and monomeric IgM is the first type of antibody secreted after B-cell activation. c. Class switching occurs when a cell secreting IgM changes the...
1. Which type of antibodies are present in the blood of a person with type O,...
1. Which type of antibodies are present in the blood of a person with type O, Rh- blood? Anti-A, anti-B and anti-Rh antibodies, Anti-B and anti-Rh antibodies, Anti-O and anti-Rh antibodies ,Anti-A and anti-B antibodies, Anti-A and anti-Rh antibodies 2. Immunosuppressive medications such as cyclosporin A and tacrolimus suppress cellular-signaling mechanisms in?. T lymphocytes, suppressing T cell proliferation and responses, all white blood cells , mast cells and basophils, preventing degranulation., B lymphocytes, preventing antibody production, macrophages and neutrophils,...
CD8 T cells are good against: Viral pathogens. Extracellular bacteria. Intracellular bacteria. None of the above....
CD8 T cells are good against: Viral pathogens. Extracellular bacteria. Intracellular bacteria. None of the above. Pick one (neutralization, opsonization, or complement fixation) and describe the role of the antibody.
are these answers correct ? 1 pts Question 1 Bacteria enters the body through a small...
are these answers correct ?
1 pts Question 1 Bacteria enters the body through a small cut in the skin. This will result in stimulating all of the processes listed below, but at different stages of the immune response. Which of the following would occur FIRST? stimulate white blood cells to secrete interleukin (IL-1) make memory T cells stimulate the classical complement pathway O produce gamma interferon Question 2 Select the PAMPS from the list below. Select ALL that apply....
Question 7 (2 points) Saved Which of the following increases macrophage phagocytosis of a bacteria o opsinizationof the bacteria by complement production of igD antibody to that bacteria interferon production movement of T cells through the thymus Question 8 (2 points) Saved Complement is made by the liver the thymus the B cells the T cells Question 9 (2 points) Saved Mucous membranes are different from the skin in that 5 6 7 8 9
Which of the following is true of B cells? Select one: a. They differentiate into macrophage b. They present antigens c. They are responsible for cell mediated immunity d. They secrete cytokines Suppose an individual has impaired histamine release from mast cells. This individual may have lower levels of which antibody class? Select one: a. IgA X c. IgE d. IgM Identify the component that is NOT part of innate immune defenses. Select one: a. skin b. cytotoxic T cells...
Question 1 (2 points) Saved Which of the following is a charcteristic of the innate immune system but not the specific/adaptive immune system? - B cells produce antibody CD4 T cells organize the response can activate quickly has memory of a pathogen/antigen after the response Question 2 (2 points) In an immune response to a specific bacteria, which of the following happens after all of the others? production of IgA that can bind to the pathogen phagocytosis of the bacteria...
are these answers correct ?
1 pts Question 1 Bacteria enters the body through a small cut in the skin. This will result in stimulating all of the processes listed below, but at different stages of the immune response. Which of the following would occur FIRST? stimulate white blood cells to secrete interleukin (IL-1) make memory T cells stimulate the classical complement pathway O produce gamma interferon Question 2 Select the PAMPS from the list below. Select ALL that apply....
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