Which of the following is not characteristic of a response to a previously encountered pathogen? rapid production of antibodies rapid division of memory cells destruction of the pathogen before the person knows he or she is infec release of large amounts of histamine

Q: Which of these would be a first line of defense against microbial infection?

A: Ans : Our immune system has three lines of defense to fight against microbial infection. Those are :…

Q: Macrophage, when they encounter an antigen or pathogen release:     Histamines.…

A: INTRODUCTION Macrophages These are cells that helps in phagocytosis.

Q: contain undigested material and are used by the body from future infections. residual bodies, immune…

A: White blood cells are cells present in plasma of human body to protect them from infections.  WBC…

Q: Which of the antibodies has a short lifespan and function mainly in aiding phagocytes by causing…

A: This function is carried out by the immune system. Immunity is divided into innate and adaptive.…

Q: Interferons are primarily produced in response to infection with which pathogen type? Group of…

A: Introduction :-   Interferons are synthetic analogues of proteins produced by your body. These…

Q: Which of the following statements is true?   HIV typically causes AIDs within the first year of…

A: HIV is the human immunodeficiency virus that causes the acquired immunodeficiency virus (AIDS). It…

Q: Epithelial tissue covers surfaces and lines cavities. This is the ___ line of defense.…

A: Immune system is responsible for killing the foreign body present in our body.

Q: True or False: In non-disseminated infections, Mycobacterium species are restrained by type-1…

A: In non-disseminated infections Mycobacterium species are restrained by type-1 responses which…

Q: Which of these innate defenses would be most inhibited by antibiotic use? Group of answer choices…

A: Innate immunity is the one that is present since birth. It helps in protection against all antigens.

Q: Which of the flooring is NOT a property of specific immunity?

A: T and B lymphocytes are formed in the bone marrow. T lymphocytes are matured in the thymus and B…

Q: All of the following general properties describe the adaptive immune response except?

A: When a pathogen invades the body lymphocytes are capable of producing antibodies. These antibodies…

Q: The most specific of the body's defenses against a particular disease is:     physical barrier…

A: The immune system of our body provides two different types of immunity - innate immunity and…

Q: Which of the following types of immunity is responsible for preventing pathogens from entering the…

A: Immunity is the body's ability to defend itself against infectious agents, such as bacteria,…

Q: The system which allows for the tissue fluid to be cleaned by macrophages before it is returned to…

A: As the blood in our body circulates, blood plasma leaks out of the thin capillary walls into…

Q: When the immune system initiates an inflammatory response, this is always beneficial to resolving…

A: Inflammation is process which is characterized by redness, swelling, heat and pain.

Q: A virulence factor that works by eliminating red blood cells and other cells and tissues,…

A: Virulence factors are molecules or characteristics possessed by pathogens that contribute to their…

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: Which of the following is mismatched? Epitope - Specific area on an antigen that interacts with…

A: Q. Ans:- Explanation:- The first statement is correct as the epitope is that region on the antigen…

Q: Which of the following is NOT part of the body's third line of defense? Antibodies O Cytotoxic…

A: To combat foreign invaders such as viruses, bacteria, and fungi, the human body does have three…

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

A: Ans- Adaptive immunity

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: 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: These are released by host cells in response to viral stimulation. Some act to prevent viral…

A: Introduction  A virus is an infectious microorganism made up of a protein-coated segment of nucleic…

Q: Which of the following structures defend against pathogens by acting as a blood filter?     lymph…

A: Blood borne pathogens are defined as the infectious pathogenic organisms that are present in the…

Q: poison ivy

A: POISON IVY:     Toxicodendron radicans, commonly known as poison ivy, is a plant that can lead to an…

Q: autoimmune response

A: a) Option is incorrect. In an autoimmune disorder, the body is not able to distinguish its own…

Q: During the primary HIV infection, which of the following cells decreases in number?   T-cells…

A: A virus is a submicroscopic infectious agent that reproduces only inside the living cells of a life…

Q: Some immune systems fail to work effectively so the person is less protected than others. This type…

A: Answer : Immunosuppression is the correct option. When immune system fights and loses against any…

Q: An allergy to pollen: is a type I hypersensitivity reaction   both is a type I hypersensitivity…

A: Allergy is a chronic condition caused by an abnormal reaction to harmless substances called as…

Q: What are the steps involved in antibod production in response to infection with a virus. Include the…

A: The antibodies or immunoglobulins are produced and secreted by the B-lymphocytes or B-cells. B-cells…