Which of the following statements are true about antibodies? I. They are produced by the B cells. II. They are antigen-specific. III. They are protective proteins of the body against pathogens. IV. They are part of the humoral immune response of the body. *       I and IV II and III No answer I, II, and III I, II, III, and IV

Q: Which does NOT describe humoral immunity? Group of answer choices a. Antibodies are secreted by…

A: everyday we are exposed to large number of infectious agent post op however only a few of these…

Q: Discuss three differences between antigen and antibodies Explain the structure of the antibody…

A: Answer 1 :  The three Difference between antigen and antibodies are as follows :  1.  Origin :…

Q: Which of the following about basophils and mast cells is true? 1) basophils make leukotrienes, and…

A: Introduction: a particular sort of blood cell that is produced in the bone marrow and present in…

Q: A mother has two children. The first was born perfectly healthy while the second one was born with…

A: In the second baby, the presence of rashes, clumping, and lysis of blood describes the hemolytic…

Q: Which of the following is part of your specific immune response? Select one: a. Skin b. "Eating"…

A: Ans- c) B- Cells The immune response in humans is divided into two defensive cooperative systems…

Q: Mark the following statements as true or false. If a statement is false, correct is to make a true…

A: A)  true B) false,  secondary immunue response is controlled by T- cells

Q: Statement 1: Major histocompatibility complex proteins help the immune system recognize 'self' vs…

A: An organism's immune system is a set of biological systems that protect it from disease. It can…

Q: A 35- year old farmer stepped on a rusty nail and does not remember the last time he had a tetanus…

A: Tetanus, often referred to as lockjaw, is caused by a bacteria that's most ordinarily found in soil.…

Q: Some materials, such as metal bone pins and plastic heart valves, can be implanted into the body…

A: Introduction Immune system:- It is a complex network of cells, tissues, organs, and the substances…

Q: Which of the following is a characteristic of a cytotoxic T cell?   Question 7 options:   A)  They…

A: To find: The characteristic of a cytotoxic T cell

Q: Choose the best answer for following question. Which of the following does not pertain to B cells?a.…

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

Q: Mark the following statements as true or false. If a statement is false, correct it to make a true…

A: True False, right lymphatic carries blood from upper body True

Q: DiGeorge syndrome is a congenital disease that results in a poorly developed, nonfunctioning thymus…

A: Primary immunodeficiency are the immunodeficiency diseases which arises from the birth where as…

Q: Which of the following statements is FALSE? Blood from a person with blood type AB will react with…

A: Contains anti A antibodies.

Q: Suppose a baby was born without a functional thymus gland. Could this child still produce…

A: ANTIBODIES:- These are glycoproteins which consist of two identical heavy polypeptide chains and two…

Q: Which of these events is not a part of the second line of defense? You may have more than one…

A: Our body has mainly three line of defence. Defensing foreign substances is important to ensure good…

Q: What is the first step in the antigen-antibody interaction? A.) opsonization B.) epitope production…

A: Out of all the options provided -  Option (A) is INCORRECT - Opsonization is the process of coating…

Q: The incorrect statement about B cells in the following is: They can present both protein and…

A:

Q: Which of the following does not occur during a secondary immuneresponse?a. Antibodies are made…

A: Secondary Immune Response: Secondary Immune Response is one of the important features in which the…

Q: A patient lacks the ability to make functioning T cells because of a genetic disorder. Would this…

A: T and B cells are major cells that bring about adaptive immune response in human body. T cells are…

Q: Which of the following can NOT be found in the lymph node? a. Lymph follicle b. White pulp c. Cortex…

A: Lymph nodes contain a large concentration of white blood cells known as lymphocytes, which aid in…

Q: Two of the major actions of complement are a. increased inflammatory response and cytolysis. b.…

A: The complement system gets activated when it comes in contact with the antibody molecule that is…

Q: your own personal understanding, why are complements important in cellular and humoral mediated…

A: The humoral immunity is referred to as immunity from the antibody. B cells can differentiate into…

Q: Which of the following is a function of the Lymphatic System?

A: Lymphatic system contains organs and tissues spread all over the body help in removal of toxic waste…

Q: True

A: Introduction :- B- cell (B lymphocyte) is one of the most important cell of the body. They form a…

Q: A. To filter out extra salt, waste, and fluids B. To properly draw out nitrogenous wastes C. To…

A: Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the…

Q: One of the common characteristics of lymphocytes (1), neutrophils, and macrophages) the resulting…

A: In the human body, the resistance against the entry of any foreign particle or antigens is executed…

Q: Select the best answer or answers from the choices given: Which of the following is not involved in…

A: B cells are the main cells involved mainly in the primary immune responses and it involves a…

Q: Select the best answer or answers from the choices given: Antibodies released by plasma cells are…

A: Plasma cells, more specifically plasma B cells are the WBCs (white blood cells) that arise from bone…

Q: Explain why the secondary immune response (months, years, or decades after the first exposure to a…

A: Immunity is a phenomenon build up inside the body of an organism in order to cope up with foreign…

Q: Which cells of the immune system secrete antibodies? A. Natural killer cells only B. T cells only C.…

A: The immune system helps prevent the entry of foreign substances into the body. The immune system…

Q: Suppose a person recovers normally from viral infections, but then gets the same viral infections…

A: The B-lymphocytes or the B-cell and the the T-lymphocytes are t-cells are very important for the the…

Q: Choose the correct one. Which cells produce antibodies? a. Neutrophils. b. Dendritic cells. c.…

A: We know that neutrophils are responsible for secreting cytokines during tissue injury. Hence, Option…

Q: Using words and arrows, complete a flow outline of an immune response,beginning with entrance of…

A: The immune system is a complex network of biological structures (cell) and protein that defends the…

Q: Which of the following is not involved in first line defense? a-Mucus membranes b-Saliva c-Sweat…

A: Introduction :- The mouth, nose, eyelids, trachea (windpipe), lungs, stomach, intestines, ureters,…

Q: Statement 1: Antibodies are not specific for each type of antigen encountered by the body.…

A: *Antibodies are type of proteins that helps body to fight against antigens  * Antigens can be any…

Q: Why do you measure the level of blood antibody in patient?

A: Antibodies are big, Y-shaped proteins that the immune system employs to recognize and neutralize…

Q: Virus-infected cells are detected and destroyed by which cells of the immune system? A)helper T…

A: C)-cytotoxic T cells

Q: Patient B 128 256 512 1024 Patient C Patient D 128 128 128 128 In Table 18.1, who most likely is…

A: The secondary immune response occurs as a result of subsequent contact with the same antigen.  In…

Q: What happens once the newly made antibodies find and attach to the antigen? What are the 5…

A: * Body shows two types immune response  against antigens .They are  primary response  Secondary…

Q: The goal of vaccinations is to trick the body into generating which types of cells that recognize…

A: Introduction :-Vaccines are the biological preparation that provides Immunity against a particular…

Q: Which statement is incorrect? a. IgG is the most abundant antibody in blood b. Antibodies can exist…

A: Only Option C is incorrect  Because, Immunoglobulin M (IgM): Found fundamentally in blood and lymph…

Q: Question 75 The thymus gland stimulates lymphocytes to become B cells. True False

A: The thymus produces hormones such as thymosin, thymopoietin, and thymulin. They are tiny proteins…

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.