What is the reason that you have to be immunized witha new influenza vaccine each year?a. the vaccine is only protective for a yearb. mutationc. macrophage oxidative metabolismd. memory response

Q: What will you find at the center of a clear plaque?

A: Plaques is opaque field of bacterial cultures which are infected by a virus or bacteriophage.

Q: 55. You get influenza (the flu). A month afterwards, everyone around you gets the flu but you do…

A: Influenza, or flu, is a kind of viral infection that affects the respiratory system the most. This…

Q: Explain why each choice (a-d) is correct or incorrect. In clonal selection of B cells, which…

A: B cell expresses receptors ,that are specific to distinct antigen,  is determined before…

Q: Jay, a young dad, takes his baby to the pediatrician several times in the first year of the child’s…

A: To explain: Why the visits of the baby to the pediatrician to stimulate to make memory cells against…

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: Once Tfh cells have been activated against vaccine delivered intramuscularly which Constant (C)…

A: There are five classes of immunoglobulin or antibodies. All these antibodies have variable and…

Q: We develop self-tolerance to molecules normally found outside the thy due to? a. AIRE gene b. MHC…

A: Self tolerance is the lack of an immune response,  particularly by T and B lymphocytes to antigens…

Q: Why are encapsolated bacteria generally more pathogenic than un-capsolated strains. a. Because…

A: The capsule is a layer of polysaccharide found outside the cell envelope of bacteria.  Capsule gives…

Q: Explain why each choice (a-d) is correct or incorrect. A flu vaccine is needed seasonally to be…

A: Flue is caused by influenza viruses and they infect the respiratory system. they can infect the…

Q: a cytokint storm is an overproduction of immune cells and their activating compounds- cytokines can…

A: Cytokine storm or hypercytokinemia is the physiological response of an animal's innate immunity…

Q: How is the immune system involved in development of cancer?a. failure in immune surveillanceb.…

A: Immunity refers to every mechanism of the body that helps to protect the body from harmful foreign…

Q: What was the purpose of giving postexposure prophylaxis to thenurse?a. to treat AIDSb. to prevent…

A: Acquired immunodeficiency syndrome (AIDS) is a disease caused by the human immunodeficiency virus…

Q: What is the clinical significance of coagulase product ion? a. Phagocytes produce coagulase to fight…

A: Coagulase is the enzyme that helps in blood coating. Coagulase is not to fight infection. First…

Q: Read the article and then answers the following question.3. Why is it difficult to create a vaccine…

A: AIDS is a acquired immuno-deficiency syndrome caused by HIV virus and to make a vaccine against a…

Q: The immune system cell that binds to herpes infected cells and kills them are? A. Regulatory cells…

A: The immune system can be defined as the type of organ system which participates in protecting the…

Q: he whooping cough vaaccine and the MMR vaccine are what type of vaccines? a. conjugated b. natural…

A: Answer An individual may be exposed to an antigen to induce the formation of antibodies, a type of…

Q: Based on the experience of the Philippines with the dengue vaccine, what can you conclude regarding…

A: A vaccine is a biologically prepared substance injected into the body to create an acquired immunity…

Q: Which of these pairs are mismatched? a. cytosol: intracellular pathogen b. surface of…

A: Pathogens are organisms that cause disease in their specific host. The severity of the disease…

Q: Which of these characteristics is not a major factor in adaptive oracquired immunity?a. specificity…

A: Characteristic Specific immunity developed by lymphocytes in response to antigen termed as adaptive…

Q: Vaccines are given to provide protection against pathogen causing infections. Which of the following…

A: A pathogen is a disease-causing bacteria, virus, parasite, or fungus in the body. Each pathogen…

Q: What can be learned from the Dengue Vaccine Controversy?  a. All vaccines have harmful effects and…

A: The dengue fever is a viral infection caused by the Dengue virus . It is transmitted through the…

Q: throughout history. Today, blood tests can be performed to determine if a person has developed an…

A: Influenza is a viral infection that affects the respiratory system of the body. Pregnant women,…

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…

Q: Based off of the concept of the COVID-19 vaccination, which of the following conditions is very…

A: The COVID-19 vaccine is formed from the mRNA of the virus particles and in some cases the harmless…

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: Some individuals are immune-compromised because their bodies do not make enough T-cells. What is the…

A: T cells are a type of lymphocytes, which help the body fight against infections along with other…

Q: A patient with a history of asthma and eczema has a higher than normal concentration of IgE in their…

A: The biological disorders in the body disturb the usual condition of the body and mind. These…