which of the following describes a potential property of the variable region released? a-activation of complement b- neutralization of toxin c- opsonization of bacteria d- crossing of the placenta e-agglunation of antigen

Q: Create a concept map that describes antibodies using the following terms:  Antibodies Agglutination…

A: An antibody is a protein produced by the body's immune system when it detects harmful substances,…

Q: What process is shown in the diagram in this figure ? A)control systems B)cell determination C)cell…

A: An organism contain different types of tissues that are- 1. Epithelial tissue: form the outer and…

Q: A pairing of MHC and antigene presented on a cell surface is what T immune cells recognize and use…

A: Antigen  An antigen is a foreign objects that stimulates the immune system of affected person.

Q: Which of the following plays a role in the Arthus reaction?a. IgE antibodies. b. complement c.…

A: Arthus reaction is a type III hypersensitivity reaction in which antigen-antibody complexes are…

Q: Which of the following is a FALSE statement about innate immunity? Natural killer cells are…

A: Answer:  2nd option: It must be primed by presence of a specific antigen.

Q: Transfer of immunoglobulins from mother to child during breastfeeding can protect the child from…

A: Answer Naturally acquired passive immunity

Q: What is the mechanism dendritic cells use to deliver the message about a specific pathogen to the…

A: Introduction T cells are immune system cells that arise from bone marrow stem cells. They aid in the…

Q: Which of the following steps are part of the processing of antigen by immune cells? Select all that…

A: Answer. The events involved in the generation of peptide fragments from proteins inside cells, the…

Q: Adaptive immunity can pass from mother to her newborn a. False b. True

A: Adaptive immunity develops in response to an antigen i.e. foreign particle or microorganism or after…

Q: The four characteristics of adaptive immunity include all of the following except a. activation by a…

A: The immune system has a vital role in protecting the body from outside pathogens (bacteria, viruses,…

Q: Which of the following statements regarding negative selection of B cells is correct? a. Negative…

A: Immunity can be defined as the ability of an organism to fight against infections caused by a…

Q: The region of an antibody that is the antigen binding site is thea. constant region. b. variable…

A: Proteins that are Y-shaped that fight against the body’s foreign invaders are called Antibodies.…

Q: Which of the following groups are not correctly matched? а. Neutrophils---antigen presenting cell b.…

A: Introduction: An immune system is a huge organization of cells and tissues that is continually…

Q: Can Ab. Act as antigens? Explain why.

A: Antibodies are immunoglobulins that fight against the foreign particles that invade our bodies. They…

Q: Which of the following statement is TRUE about effector cells? (Select all that apply)…

A: Effector cells are produced once adaptive immune response is activated because adaptive immune cells…

Q: Choose the combination of answers that most accurately completes the statement. Which of the…

A: In the complement system, complement is the protein molecules. The complement system is part of the…

Q: The major histocompatibility complex (MHC) (a) consists of Y-shaped molecules (b) encodes certain…

A: Immunology is an important branch of biology which include the study of immunity of different…

Q: The innate immune response is characterized by itsa. rapid response to invading pathogens.b. ability…

A: Immunity is the capability of the body to fight against foreign attack and maintain the persistence…

Q: Upon reexposure to a pathogen, a memory B cell can differentiate to which cell type? a. CTL b. naïve…

A: Second line defence or non-specific defence is primarily dependent upon Neutrophils, macrophages and…

Q: _______ involves successive rearrangement at the lightchain loci when reactivity to self antigen…

A: Answer is a.) Receptor Editing.

Q: Receptors that trigger innate immune responses a. are antibodies recognizing specific antigens.…

A: The first line of defense against invading pathogens is the innate immune response. They are also…

Q: The classical complement pathway is initiated by C1q binding to the surface of a pathogen. In some…

A: The process of the complement system circulate in an inactive form, but in response to the…

Q: Which cell actively produces antibodies during an immune response? B lymphocyte T lymphocyte plasma…

A: An immune response is triggered when ever of foreign substance enters in our body.

Q: in antibody-mediated immunity, what happens immediately after B cells are activated? a. the foreign…

A: The immune system of the body fights against foreign invaders and protect the body from infections.…

Q: When referring to immunity, what does the term innate imply? the mechanism will develop based upon…

A: Innate immunity is the dominant form of the immune system found in multicellular organisms.

Q: Which of the following is not a consequence of activation of the complement system? Select one: a.…

A: Activation of the complement system cause increase and efficient proteolytic cascades that end in…

Q: n addition to phagocytosis, neutrophils use a process called NETs.  Which one of the following…

A: NET:_ Neutrophil Extracellular Traps These are concerned with extracellular pathogen killing with…

Q: Which if the following statements regarding the differentiation of self vs. non-self by the immune…

A: The immune system's job is to protect the body from foreign or harmful intruders. Invaders of this…

Q: The shingles vaccine introduces killed virions with antigen intact, into the body of a person who is…

A: Introduction Immunity Is The Body's Ability To Defend Itself Against Infections. People Are…

Q: A 41-year-old man has a penetrating injury to his right eye. A month later he has worsening vision…

A: Sympathetic ophthalmia (SO) is a bilateral diffuse granulomatous intraocular inflammation that…

Q: draw the events in the local inflammation process. hint: starts with margination-->extravasion

A: Inflammation is an important defense mechanism of host to prevent infection. It is induced in…

Q: Breastfeeding is an example of which of the following types of immunity? View Available Hint(s) for…

A: Breast milk is a rich source of Ig-A and Ig-G. These are antibodies which are required for fighting…

Q: All of the following contribute to the establishment and maintenance of long-lived memory B cells…

A: B cells are lymphocytes which are important for the adaptive immune system's humoral defense…

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: Which of these characteristics is not a major factor in adaptive oracquired immunity?a. specificity…

A: Characteristic Specific immunity developed by lymphocytes in response to antigen termed as adaptive…

Q: Which of the following is NOT true regarding the alternative complement pathway? It can be triggered…

A: There are three types of complement pathways: Classical pathway Alternative pathway Lectin pathway

Q: hinge region Fc Fab kappa alpha chain Drag answer here Drag answer here. Drag answer here Drag…

A: The structure of the antibody is Y shaped with four polypeptide chains with two heavy and two light…

Q: Which of the following can serve as antigen-presenting cells (APCs)?a. T cells b. B cells c.…

A: Antigen-presenting cells (APC) include a diverse group of immune cells that mediate cellular immune…

Q: Which of the following is NOT an event that can result in an autoimmune disease? Which of the…

A: Autoimmunity can be referred to as the condition when the immune system of the body starts acting…

Q: Which of the following is an INCORRECT match? Constant region - class of antibody O b. Fc region -…

A:

Q: Which of the following is the end product of the complement system?a. properdin b. cascade reaction…

A: The complement system helps antibodies and phagocytic cells to clear pathogens, it consists of a…

Q: Which of the following is TRUE regarding Gram negative bacteria? a- Their cell wall is composed of a…

A: Dear student, you have posted three separate questions, in a single question. Please don't make it…

Q: Which of the following characteristics is true of large Pre-B cells? Select one: a. They do not…

A: The immune system comprises several cells that participate in the defense mechanisms of the body.…

Q: Which of the following statements is not true?(A) An antibody has more than one antigen-binding…

A: The ability of the body to defend itself against invading foreign agents like bacteria, viruses, or…

Q: b. Cell that coordinates the immune response of many kinds of cells c. Proteins that circulate in…

A: 1.  Innate         k    I  2. Eosinophil   f   I  3. Antibody      i  I /A  4.Complement  b I 5.…

Q: If you come down with the flu, your body will launch an immune attack against the flu virus. During…

A: A virus-bound antibody binds to receptors, called Fc receptors, on the surface of phagocytic cells…

Q: How are innate lymphoid cells, including natural killer cells, distinguished from lymphocytes?

A: The immune system of the body is responsible for providing protection to the body when toxic…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.