Which of the following binds to the Fc portion of the antibody?     A. C1q   B. C2a   C. C1r   D. C1s   E. C2b

Q: A patient with a _______ titer of antibodies to an infectious agentgenerally has greater protection…

A: The human immune system has antibodies against specific antigenic targets. These antibodies act upon…

Q: Which molecule would you not expect to be produced by neutrophils? Select one: a. RIG-like…

A: Neutrophils These are the most abundant type of granulocytes. Neutrophils make up about 40% to 70%…

Q: pattern recognition receptor is cell receptor on a. cytokine b. monocyte c. epitope d. A and B

A: Pattern recognition receptor is found on the cells in our immune system.

Q: Once Tfh cells have been activated against vaccine delivered intramuscularly which Constant (C)…

A: There are five classes of immunoglobulin or antibodies. All these antibodies have variable and…

Q: his člašš of antibody is a pentamer. . O a. IgG O b. IgE Oc IgD

A: Answer. Antibodies, the antigen binding glycoproteins are synthesized exclusively by B cells in…

Q: The capsule of the infecting microorganism which is composed of polysaccharides can also activate…

A: Introduction  The immune response is a set of mechanisms that the body uses to protect itself from…

Q: Which structure is not functioning properly if an electrical device is needed to stimulate the atria…

A: The heart has an electrical conduction system that consists of a highly constricted and controlled…

Q: Pattern recognition receptors bind to Select one: a. B and T lymphocytes b. Host cell-associated…

A: Introduction Pattern Recognition Receptors are; Toll-like receptors (TLR) Nucleotide-binding…

Q: When first exposed to a foreign molecule, are the first class of antibodies generated a. cytokines…

A: The immune response is a set of responsive mechanisms carried out by the immune system of the body…

Q: Membrane-bound proteins that assist in maintaining contact between various human cell types are…

A: Cell junctions link many cells to one another. These are of three types: Occluding junctions…

Q: The nucleus of B lymphocytes receives the signal indicating that the corresponding epitope was found…

A: The B lymphocyte (B cell) is indeed one of the body's most essential cells. By developing antibodies…

Q: Protein receptors found on macrophages that recognize foreign antigens a. toll-like receptors…

A: Macrophages are a type of white blood cell that takes part in protecting the body against foreign…

Q: Which of the following is an advantage of using monoclonal antibodies over polyclonal antibodies in…

A: Immunoglobulins or otherwise called as antibodies. They are produced in response to several…

Q: Which factor binds to the C3 convertase to form the C5 convertase for all three pathways     A. C3a…

A: Compliment system is the way to destroy antigen by activating some compliment protein found in the…

Q: Which of the following are phagocytes? 1. Neutrophils II. Macrophages III. Natural killer cells

A: Phagocytes are a type of white blood cell that plays an important role in the body's immune system.…

Q: 22. Which of the following is NOT a characteristic of cell- mediated immunity? The cells originate…

A: Note :- Since you have posted multiple questions, we will provide the solution only to the first…

Q: During the secondary immune response, in the serum you would expect a. to find a greater…

A: Introduction The secondary immune response occurs on repeated antigen exposures, with a stronger…

Q: Which of the following binds to surface-bound C3b during formation of the alternative C3 convertase?…

A: An intrinsic part of the immune system's protection against pathogenic organisms is the alternative…

Q: 45. Which of the following would be involved in reacting to a first-time exposure to Mycobacterium…

A: Note:- Sorry, since you have posted multiple questions so we will be solving the first one for you…

Q: Which of the following is a type of cytokine? a. mast cell b. lysozyme C c. chemokine O d.…

A: Cytokines are the chemicals produced by the immune cells to protect the non- infected cells.

Q: The following reactions are obtained on ABO testing of a patient's blood sample. What is the most…

A: In ABO blood typing the reactions obtained on testing help determine an individuals ABO blood group.

Q: Which of the following statements regarding pattern recognition receptors is correct? 單選: A. They…

A: Pattern recognition receptors are a class of receptors that can directly recognize the specific…

Q: A young child is hospitalized with recurring bacterial infections, although she appears to make…

A: Humoral immune deficiencies are the conditions which are caused by the impairment of humoral…

Q: Which of the following is true about antigen presentation, MHC involvement or T cell activation?…

A: Introduction = Major Histocompatibility Complex- Cluster of genes found in all mammalsIts products…

Q: the antibody produced in the secondary response a. IgM b. IgA c. IgG d. IgE

A: The immune system is very complex and immune response can be divided into two groups, cell-mediated…

Q: The MHC structure is critical for... a. Natural Killer Cells to identify healthy cells b. T cells…

A: MHC is a protein that plays a crucial role in presenting the antigens and then clearing the antigens…

Q: Which part of an antibody binds to the antigen? a. Heavy chain. b. Light chain. c. Variable region.…

A: Which part of the antibody binds to antigen ? Answer : c. Variable region The variable region is…

Q: Select all correct matches: a. Heavy chain / the larger of the two protein chain types found in…

A: From above question Option a ,option c and option d are correct matches.