Herd immunity limits the spread of disease when O The disease is non-communicable O Most individuals are carriers of the disease Most individuals have immunity to the disease Most individuals are susceptible to the disease

Q: A Virus viral antigen List the Virus different cell D Activates | types (A to E) Activates Activates…

A: Immunity can be classified into innate immunity and acquired immunity. The inborn first-line defense…

Q: Describe how cells of the innate immune systemrecognize pathogens.

A: The innate immune system works against infection that can be activated soon once a pathogen attacks…

Q: Complement proteins in the blood can Activate phagocytic feeding Attract leukocytes to the area of…

A: The immune system protects the body from infections.

Q: The type of immunity which has long lasting effect but has the risk of dying from the disease is __…

A: Immune Response can be classified into the following types: 1. Active Immunity which is further…

Q: Which of the following immunity types provide short term immunity to a specific pathogen? OAdaptive…

A: Immunity is a process by which an organism has the ability to resist infections caused by pathogens.…

Q: 17. The most proinflammatory potent innate immune cytokines are TNF and IL 1 TNF O IL 1 IL 10

A: Cytokines, known as a broad category of small secreted proteins play an important role in cell…

Q: Describe three mechanisms that allow pathogens to evadethe immune system.

A: Pathogen referred to as disease-causing microorganisms. These pathogens can cause a severe problem…

Q: A hypersensitivity reaction occurs During the first exposure to an antigen. On a second or…

A: A hypersensitivity reaction occurs on a second or subsequent exposure to an antigen. This means that…

Q: Consuming food that irritates your body can lead to chronic inflammation. Group of answer choices…

A: Prolonged inflammatory response that involves a progressive change in the cells present at the site…

Q: B and T lymphocytes are part of the adaptive defense system because th     adapt to their…

A: Immunity is  the ability of an organism to resist disease causing microorganisms or pathogens. There…

Q: Why is HIV a dangerous pathogen? O it mutates at a very high rate the virus prevents recognition and…

A: Introduction :- A pathogen is defined as the disease-casuative agent , it can be a bacteria , virus…

Q: What is the mechanism by which the AIDS virus causes deficiency ofimmune system of the infected…

A: Viruses can spread through various agents such as air, water, direct contact, and by other means.…

Q: A major outcome in response to the is the production of O complement cascade activation; a MAC in…

A: It is a complex biological system endowed with the capacity to recognize and tolerate whatever is…

Q: Which type of immunoglobulin is present in tears, saliva, and breast milk? IgE IgA IgG IgM

A: Immunoglobulins, also known as antibodies, are proteins produced by the immune system to fight…

Q: The immune cell that would expand most during a parasitic infection would be?     neutrophil…

A: There is a crucial function for the immune system: it defends the body from infectious chemicals,…

Q: Mast cell products which cause T cells to produce GM-CSF and become encephalitogenic? O IL-6 and…

A: Mast cells These are the key element in the inflammatory actions. There are several potent molecules…

Q: the complement system is a groupof ___in the blood that detect pathogenes that have entered the body…

A: There are 3 pathways by which complement is activated on the pathogen surfaces. These pathways…

Q: Which of the following causes damage to the cells of the immunesystem and allows for opportunistic…

A: Immune system of the body protect the body by defending invading pathogens from surroundings. The…

Q: Which of the following is not a component of an autoimmune response? The body's immune system…

A: An abnormal immune response that results in the destruction of the healthy cells and tissues of the…

Q: The receptors (TLRS and NLRS) phagocytes use to bind to foreign antigens are collectively called

A: Pattern recognition receptor: - The first source of defense against any pathogen is "Innate immune"…

Q: Which of the following types of immunity is non- specific? adaptive exposed innate interest 0000

A: The ability of the body to resist harmful pathogens and foreign substances is referred to as…

Q: Why are the immunities involving T cells called cell-mediated?

A: There are two types of acquired immune response namely,(a) Antibody mediated response(b) Cell…

Q: Lymphocytes and phagocytic cells, present in of defense of the innate immunity. Oskin surface O…

A: The immunity is a complex biological system. This helps the body to fight against the foreign…

Q: hy is the destruction of helper T cells caused by HIV infection so crippling to adaptive immunity?

A: Human Immunodeficiency Virus (HIV) is a virus that attacks the body’s immune system. If HIV is not…

Q: hich of the following is a set of immediate general defenses against infection present in all…

A: Ans- Adaptive immunity

Q: The following are all features of adaptive immunity except ____ It is a systemic response It is a…

A: The adaptive immune response, also referred to as acquired response is the one that relies on two…

Q: How does herd immunity prevent a nonimmune individual fromacquiring a disease? Give an example.

A: The spread of an infectious disease by a highly susceptible population usually differ from the…

Q: Match patient to correct pathogen and vector Patient 1: Just returned from travels in Africa, bitten…

A: Case History: The patient traveled from Africa. bite mark - neck

Q: immunity is characterized by the activation of T-cells that can attack and destroy the invaders…

A: Since they are necessary for practically all adaptive immune responses, helper T cells are probably…

Q: in a primary response to an exposure to an antigen Group of answer choices antibodies are produced…

A: The immune response is the mechanism of the human immune system in which the body responds toward…

Q: Q/ finger-like projections that arise from the epithelial layer in some organs are called Cilia O…

A: The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that…

Q: A pyrogen causes O Phagocytosis O None of the listed answers are correct. Inflammation

A: Pyrogens are substances that can cause fever. They can be produced by body tissue or by pathogens,…

Q: Which of the following are ways a pathogen can disrupt systemic controls? autoimmune diseases I…

A: Cytokines are a group of low-molecular- weight regulatory proteins secreted by WBC and other cells…

Q: An infection may disrupt homeostasis by: O Causing the body to sweat O Inducing fever Maintaining…

A: All the systems in our body try to maintain a constant physiological condition and chemical…

Q: Describe three (3) principal ways in which immune system fails

A: There are many reason for the immune system failure. Described in following.

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…

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.