Which one of the following acts as the “alarm signal” to activate the body’s adaptive immune system by stimulating helper T cells? a. B cells b. Interleukin-1 c. Complement d. Histamines

Q: Which statement is true of autoimmunity? a. It involves misshapen antibodies. b. It refers to…

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

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: How does HIV (human immunodeficiency virus) lead to AIDS (acquired immune deficiency syndrome)/lead…

A: Human immunodeficiency viruses causes AIDS.This is the condition where gradual failure of immune…

Q: A person shows unwelcome immunogenic reactions while exposed to certain substances.(a) Name this…

A: An immune response is a reaction that occurs within the body for the purpose of defending against…

Q: fever helps the body fight infection in which of the follwoing ways? a. fever causes the creation of…

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

Q: Which type of cell actually secretes antibodies?a. T cell b. macrophage c. plasma cell d. monocyte

A: B-cells, also said to be B lymphocytes, are a type of white blood cells that play a crucial role in…

Q: Cell-mediated immune response includes the following except to ______. A. activate B lymphocyte B.…

A: Cell mediated immune response is carried out by T lymohocytes of our immune system. It is an immune…

Q: Antibody production takes place ina. T cells.b. natural killer cells.c. B cells.d. mast cells.

A: Immunology is the branch of science which deals with the study of the immune system, immune response…

Q: Which characteristic is associated with passive artificial immunity?a. long-term protection duration…

A: Immunology is the branch of science which deals with the study of the immune system, immune response…

Q: The immune system can identify foreign cells in the bloodstream because these foreign cellsa. are…

A: Immunity is defined as the ability of an organism to prevent the entry of harmful microbes in the…

Q: Which of the following is a function of cytokines? A. Promote antibody invaders. B. Help T cells…

A: Cytokines : These are small proteins which are crucial in controlling the growth and activity of…

Q: Which of these is not part of insect immunity? (A) enzyme activation of pathogenkilling chemicals…

A: Immunology is the branch of science which deals with the study of the immune system, immune response…

Q: Why is the secondary immune response so much stronger than theprimary response?a. Because high…

A: Answer is c.)  because memory B cells can rapidly convert to plasma cells.

Q: When we get sick we trust our immune system to protect us, but what happens when that system goes…

A: The fundamental elements of the immune system are white blood cells, antibodies, the complement…

Q: The acquired ability to prevent an unnecessary or destructive immune reaction to a harmless foreign…

A: Immune tolerance is significant for ordinary physiology. Central tolerance is the fundamental way…

Q: Immunosuppression is a lowering of the responsiveness ofthe immune system to materials it recognizes…

A: The immune system safeguards the body against harmful pathogens. The immune cells (B-cells, T-cells,…

Q: An example of innate immune cells are: A. Macrophages B. Dendritic cells C. T cells D. B cells…

A:

Q: The immune system protects our body from invasion by nonself cells. Explain what could happen if you…

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

Q: HIV causes immunodeficiency by attackinga. memory B cells. c. plasma cells.b. helper T cells. d.…

A: HIV or Human Immunodeficiency Viruses are types of Lentivirus that infect Humans. Here we will see…

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: 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: The role of antibodies in the human body is to A stimulate pathogen reproduction to produce…

A: An antibody is a protein component of the immune system that are produced when the body encounters…

Q: What are the roles of the innate immune system? Select all that apply.   A. identity self vs.…

A: Pathogens are disease-causing organisms that can cause humans to become ill or die depending on the…

Q: Which of the following chemicals is released by the body in response to exposure to allergens such…

A: Leukotriene is substance or chemical which is mainly release in after asthma attack which is…

Q: which of the following cells secrete cytokines that activate B cells, T cells, and macrophages? a. T…

A: The immune cells can be categorized into neutrophils, basophils, eosinophils, monocytes,…

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: What is the function of cytotoxic T-cells?

A: Acquired immunity develops after birth. It is provided by B and T lymphocytes.

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

A: C)-cytotoxic T cells

Q: Which of the following destroys virus-infected cells?   Question 6 options:   A)  cytotoxic T…

A: The immunity is both cell-mediated as well as humoral or antibody-mediated. There are lymphocytes…

Q: which product of inflammation is responsible for causing a fever? A- Platelet Activating factor B-…

A: Inflammation is presented with rubor, dolor, calor,tumor and functio lessa. Rubor= redness.…

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: A person with AIDS is likely to develop infectious diseases because the virus that causes AIDS…

A: HIV (Human immunodeficient virus) is an RNA virus belonging to the retrovirus group. The virus…

Q: If our immune system can recognize any foreign antigen, why is it necessary to vaccinate a person?

A: The immune system is alerted that something foreign has entered the body and hence elicits an immune…

Q: Which of the following sudden changes might be a result of an infection? a. increase in the…

A: Infection occurs when viruses, bacteria, or other microbes (mainly the foreign partical- the…

Q: How do Eosinophils provide protective immunity against parasites ? A. By secreting antibodies B. By…

A: Eosinophils are multipurpose cells that have a role in innate and adaptive immunity, metabolism, and…

Q: What happens if you have no B cells?

A: B-cells, as other white blood cells, emerge from hematopoietic immature microorganisms that live…

Q: Adaptive immunity includes which of the following processes?   Question 2 options:   A)…

A: A defense system in the body of an individual which constitutes a complex network of cells and…

Q: The benefit of specific immunity is the production of ________ that provide long-lasting protection.…

A: Solution mentioned below

Q: The first line of defense against pathogens includes a. NK cells. b. stomach PH. c. phagocytes. d.…

A: The first line of defense against pathogens Answer : b Stomach pH The first line of defense…

Q: Which leukocyte is responsible for managing the duration of an inflammatory response and triggering…

A: The inflammatory response is the cornerstone of the body's defense against virus, bacteria, toxins…

Q: How would a lack of helper T cells affect the antibody-mediated immune response?

A: The adaptive immune response of the body is initiated by the entry of an antigen. The adaptive…

Q: Why are most unimmunized children protected against diseases such as measles?Choose one: A.  They…

A: Immunization is the process whereby a person is made immune or resistant to an infectious disease,…

Immunology

Immunology is the division of science involved with the immune reactions occurring in living organisms. The organisms are accustomed to evolving internal defense mechanisms to evade the invasion of microbial pathogens. Diverse cells are connected with stimulating the immune responses, which produce inhospitable conditions to the microbes prompting their lysis and thus inhibits the multiplication of the pathogens. The immune system can distinguish the pathogens through the aid of cellular intercommunication and launch responses to destroy them.