Select the correct answer from the answers provided. Which of these characteristics is not a major factor in adaptive or acquired immunity? a. specifi city c. recognition b. chemotaxis d. memory

Q: Choose the combination of answers that most accurately completes the statement. In what process is…

A: The immune system of the body protects the individual from the attack of external pathogens. The…

Q: Which one of the following acts as the “alarm signal” to activate the body’s adaptive immune system…

A: BASIC INFORMATION IMMUNE SYSTEM  It defends our body from the foreign particles which can cause…

Q: Select the correct answer for each question.  Explain why each choice (a-d) is correct or incorrect.…

A: The immune system is essential for defending the body from infections and other harmful substances.…

Q: Discuss the differences between humoral and cell mediated immunity in terms of chemicals and cells…

A: In Biology, humoral alludes to any process that relies upon the creation of bodily humor like, for…

Q: What class of antibodies is normally found in the mucosa of the respiratory tract? a. IG-A b. IG-D…

A: Antibodies are proteins produced and secreted by B cells. They bind to foreign substances, like…

Q: Although interferons have several effects, they are particularly useful against infections with…

A: Answer is b.)  viruses.

Q: Which of the following statements best characterizes interferons?

A: Answer ; Option (A) is right. - Interferons are a nonspecific defense used to respond to viruses. -…

Q: A nurse caring for adults in a physician’s office notes thatsome patients age more rapidly that…

A: Theories of aging are the attempt to explain the phenomenon of aging. Aging is the process that…

Q: Which pathway of complement activation acts in conjunction with the action of antibodies? А. the…

A: Immunity is defined as the ability of an organism to resist infections by pathogens or it is the…

Q: Which of these offers a nonspecific defense against viral infection? a. Antibodies b. Leukotrienes…

A: There are some living organisms that cannot be observed by the naked eye and only can be seen under…

Q: Choose the best answer for following question. Active immunity can be produced bya. having a…

A: IMMUNITY It is the ability of the body to fight against infection. It is of 2 types -  Active…

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: Which condition is not an autoimmune disease?a. multiple sclerosis c. systemic lupus erythematosisb.…

A: The immune system is responsible for protecting the body from foreign pathogens. Immune system fight…

Q: Select all of the pathways that can activate without antibodies.   A. Alternative   B. Lectin…

A: Alternate pathway is a type of complement pathway in which pathogens are Opsonized and killed.…

Q: correct or incorrect. An advantage to adaptive immunity is a. Its memory cells that provide…

A: The two parts of the immune system are innate and the adaptive(acquired) immune system. The innate…

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: Which of the following is not part of the innate immune system? a. Antibodies b. Skin c. Enzymes d.…

A: Innate immuneity is non-specific type of defence, that is present at the time of birth. This is…

Q: A friend was recently diagnosed with strep throat. One week after his treatment, he redeveloped the…

A: Strep throat is a disease caused by Group A Streptococcus bacteria in which an individual feels…

Q: Anti-A antibody will react with cells with: a. A-Antigen O b.B-antigen OC. C-antigen d. D-antigen

A: Blood is a liquid substance which flows in the blood vessels and carry nutrients and oxygen to the…

Q: Adaptive immunity

A: Immunity is property of the body which allows them to fight against the antigens There are two type…

Q: Synthesis of antibodies is part of: a. Innate immunity b. Adaptive immunity c. Active Passive…

A: The resistance exhibited by the host towards injury caused by micro-organisms and other products is…

Q: MHCII molecules will bind __________ and locate to the cell surface. a. T-independent type antigens…

A: T cells are not able to recognize free antigens directly. They can recognise only antigens that are…

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: Select the correct answer for each question.  Explain why each choice (a-d) is correct or incorrect.…

A: The adaptive branch of the immune system depends heavily on B cells. They assist focused defense…

Q: Select the incorrect statement regarding the temperature of the immune system. A. Interleukin-1 is…

A: Introduction  The immune system refers to the body's defence processes that produce immunological…

Q: Select the letter of the choice that best completes the statement. The ability of the body to resist…

A: Humans can get affected by various kinds of diseases. Our body has its own mechanism to respond…

Q: Which of the following leads to swelling seen in an inflammation? a. Vasodilation  b. Complement…

A: Swelling is the result of the increased movement of fluid and white blood cells into the injured…

Q: Identify the mismatched pair. (Select all that apply.) a. type I hypersensitivity: mast cells,…

A: Different types of hyper sensitivity are the undesirable reactions produced by the normal immune…

Q: Which of the following is TRUE about B cells? A. are lymphocytes B. become mature in the thymus…

A: B lymphocytes: It is named after its site of development n the bone marrow of humans or bursa of…

Q: of the choices, which cells stimulate directly B cells to divide and produce antibodies? a. mast…

A: The immune system provides defense against invading pathogens. It is a complex network of cells,…

Q: Which best describes the term "immunological disorder"?   a. An exaggerated or inadequate immune…

A: Introduction  The immune system is a defence mechanism that protects the body from foreign invaders.…

Q: n a table, illustrate the differences between natural, artificial, active and passive immunity with…

A: Microorganisms are always surrounding humans, looking for an opportunistic host. These viruses have…

Q: Fever may be one of the most important components of Select one: a. Adaptive immunity b.Acquired…

A: Fever is seen as one of the body's natural defences against the invasive pathogen and is a typical…

Q: cells can help prevent autoimmune diseases. The antigen receptor on a B cell is essentially a…

A: Autoimmune diseases develop when immune cells attack the bodies own tissues by mistake. Immune cells…

Q: Which type of immune response is most directlyeffective against bacteria?a. natural killer cellsb.…

A: The immune response can be defined as the reaction that occurs within an organism for the purpose of…

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.