Precipitation, lysis, agglutination, and neutralization are all ways that O antigens are formed on cell surfaces O protective barriers to disease are maintained O antibodies help to destroy pathogens directly O wbc's attack pathogens in nonspecific ways

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: How does HIV establish a chronic infection?    A HIV attacks macrophages   B HIV stimulates a…

A: Human Immunodeficiency Virus (HIV) is a lentivirus that attacks & destroys CD4 T cells which are…

Q: 54.Host defenses: Which substances can activate host cells to produce AVP's, AntiViral Proteins in…

A: Antiviral responses are activated rapidly after viral infection in order to control and prevent…

Q: Which of the following cells would be most active in early, antiviral immune responses the first…

A: Major functions of innate immune system are the recruitment of immune cells to sites of infections…

Q: The allergic response is caused by ___ that secrete large amounts of allergens bind to , --- when…

A: Given: The allergic response is caused.

Q: Antibodies are produced by: O Eosinophils O T Cells O Macrophages O B Cells O A Cells

A: Antibody is also known as immunoglobulin is a kind of Y shaped protein which are the specific sites…

Q: 19. The part of the antibody that combines with the antigenic determinants called: O medial region O…

A: According to our guideline we can answer only the first question. So, upload the questions…

Q: Which of the following are specific immune responses (select all that apply)? o T lymphocyte…

A: Immunity is defined as the intrinsic ability of the body to fight against infections and diseases.…

Q: damage to cell and tissues penetration Entry evasion of defences release from host

A: Exposure Adhesion  Invasion Infection

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: Your patient is born without B cells. He cannot a. fight off intracellular infections b. have a Type…

A: Introduction B lymphocytes, commonly known as B cells, produce antibodies, which are a type of…

Q: An otherwise healthy student in your class was infected with Epstein Barr virus (EBV) (the virus…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Eosinophils are proinflammatory mediators : they function in allergy, parasite eradication, and…

A: Eosinophil is a type of WBC and they play a significant role in immune system to fight off…

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: Why do some of us make IgEantibodies against harmless antigensand thereby develop hay fever…

A: Responses like hay fever and allergic asthma are among the chronic diseases that are becoming a…

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: Serum sickness does begin immediately upon the production of anti-BSA antibodies. How does the…

A: Introduction : A hypersensitive reaction is characterised by an immune response to an antigen that…

Q: Which line of defense (first, second or third) is indicated Microbiome by these figures? te etes Fig…

A: “Since you have asked multiple questions, we will solve the first question for you and the first…

Q: lacks the ability to remember a pathogen or react differently to it in the future, whereas uses…

A: introduction: the body's defence mechanism against an infectious disease is the immune system. The…

Q: What does it mean if a person tests positive for IgM but not IgG of a particular disease? O That…

A: What is Antibody - Antibodies or immunoglobulins are protein products produced by animal immune…

Q: To block viral reproduction in other cells, the virus-infected cell must secrete production of…

A: Introduction: Immunity is referred to as the host's resistance against any foreign antigen,…

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: The "skin test" is diagnostic for tuberculosis. What is the principle behind this test? O…

A: Tuberculosis is a very common disease that is caused due to the infection of bacteria Mycobacterium…

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: Why we do not use antibodies against viruses?

A: In order to survive and replicate, a virus infects a person (host). The immune system's cells can't…

Q: Patient came to your clinic and told you I got repeated infection and his spleer was removed ,he got…

A: Spleen is a part of our lymphatic system. It is located upper left part of abdomen, behind ribs,…

Q: Lymph node is the site where lymphocytes are going to be O produced O maturing O activated Onone of…

A: Lymph nodes can be described as tiny, clusters of cells that are spread in various parts of the…

Q: bone marrow hematopoietic stem cells S. Intercept secreted by Th2 to activate 8 cell proliferation…

A: Introduction  Cytokines are a broad and diverse group of small proteins that play a key role in…

Q: The inflammatory response is an important innate immune system response. Which of the following is…

A: Inflammation is the immune system's response to harmful stimuli, such as pathogens, damaged cells,…

Q: Neutrophis are not able to present antigens to CD4 T celis even though they are phagorytic bncause…

A: We are supposed to answer one question according to our guidelines. Please repost other questions…

Q: What is the difference between a true pathogen and an opportunisticpathogen?a. True pathogens cause…

A: True pathogen is that infectious agent which causes disease in any susceptible host with their…

Q: Explain why the tissues of some people are antigenic to others, andwhy this would not be a problem…

A: Blood type refers to the classification of blood based on the presence and absence of certain…

Q: IgA and IgG are examples of which type of immunity? O Artificial passive immunity O Natural passive…

A: The antibodies are immunoglobulin molecules that are produced by the B-lymphocytes and provide…

Q: Hi  A higher than normal white blood cell count usually means you have some type of infection.but…

A: COPD or chronic obstructive disease is one of the most painstaking diseases that can affect humans…

Q: 23. Cytotoxic T cells cells and produce O opsonize, cytokines O burst, histamine O crenate,…

A:

Q: What are the listthe host immune defenses that the microbe would have to overcome to be successful…

A: The first line of defense is broad and aims to keep microbes out of the body. The skin and mucous…

Q: What do neutrophils do that macrophages also do? OA. antigen presentation O B. degranulate OC.…

A: Neutrophils are white blood cells which are found in great amount and it acts where the infection…

Q: 3. Describe what happens to an antigen when it is tagged with an antibody in terms of opsonization…

A: An antigen is any substance or molecule that is capable of inducing an immune response in the body.…

Q: Action of Mediators produced from mast cell:Vasodilation, increased vascular permeability:…

A: Mast cells is a kind of white blood cell found in all the connective tissues of the body such as…

Q: Which of the following apply to a secondary O A small number of antigen-specific lymphocytes O A…

A: Immune responses to antigens or pathogenic agents may be categorised as primary or secondary immune…

Q: Some vaccination procedures require a booster shot, another doseof the original vaccine given…

A: Humans are always surrounded by microorganisms searching for an opportunistic host. These pathogens…

Q: Match the following diseases and disorders to the correct defin A. Allergy/Hypersensitivity B.…

A: As we know The immune system is such system that protects or take care  the body from foreign…

Q: e intestinal tract

A: 1  infection in pregnant patient may lead to infection in the fetus  Rubella is an infectious viral…

Q: cella which would If an antigen piesenting ced is presenting antigens from an axtracellular…

A: HGHG

Q: Cytotoxic T Cells attack O pathogens, rapid growth and division O pathogens, apoptosis (cell death)…

A: Introduction Immunity is defined as the ability of the body to fight against the pathogens. There…

Q: What are side effects most com mon to immunosuppressive the rapy? Why there is a high risk of…

A: Immunosuppressive therapy The immunosuppressive therapy is  treatment modality to diminish the…