The body's innate defenses against invading pathogens include a. cytotoxic T cells. b. skin and mucus membranes c. antibodies. d. all of the above.

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: Which of the following doesn't occur in the inflammatory response? O A. Decreased vascular…

A: When healthy tissues are wounded by physical/chemical stimuli or are invaded by bacteria, viruses,…

Q: Which of the following pairs is mismatched? a. activation of memory cells: secondary immune…

A: Explanation given for the mismatch pair.

Q: What are structures, together with the functions, of the human body immune system?

A: The immune system is a network of biological processes that protects an organism from diseases. It…

Q: Compare and contrast the activities of B cells versus T cells.

A: Introduction: The immune system is involved in protecting the human body from any invading pathogen.…

Q: Humoral immunity is the part of the adaptive immune system involving: A.cytotoxic T cells killing…

A: The adaptive immune system is also known as acquired or specific immune system. It is a subset of…

Q: Ibuprofen dampens the immune system’s inflammation response.What might be a short-term consequence…

A: Ibuprofen is a type of NSAID, which is used for treating inflammation, fever, pain... It basically…

Q: What is the innate nonspecific immune system? O a. the production of antibody molecules against…

A: Answer : Option (a) is right. - the production of antibody molecules against pathogens.

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: Researchers have been trying to develop a way to get the immune system to accept foreign tissue as…

A: Analysts have built up how the structure of receptors on the surface of T cells empowers them to…

Q: Phagocytes move through capillary walls by squeezing between adjacent endothelial cells, a process…

A: Answer is a.)  diapedesis.

Q: decrease in the number of cytotoxic T cells would affect which type of immunity?

A: Immunity is the ability of multicellular organisms to outlast foreign microbes that are harmful to…

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: a. Describe the main elements of the process through which the immune system distinguishes self from…

A: The human leukocyte antigens (HLA) are used to identify self from non-self. As all the cells in…

Q: Stem cells responsible for the process of lymphopoiesis are located in the (a) thymus and spleen.…

A: Lymphocytes are white blood cells responsible for defending the body from pathogens and other…

Q: When the body is exposed to the same virus a second time, the immune response is Accompanied by…

A: Any foreign substances or pathogen can be harmful to an organism. Hence, the organism will develop…

Q: If an individual failed to develop a thymus because of a genetic defect, what would happen to the…

A: Without the development of a thymus, immune responses mediated by antibodies and cytotoxic T cells…

Q: __________________ is a condition that results when cytotoxic T cells attack the body’s own cells.a.…

A: Cytotoxic T cells are T cell also known cytotoxic T lymphocytes that kills  virus-infected cells,…

Q: Which is an example of passive immunity? A) only a fetus acquiring antibodies through the placenta…

A: Passive immunity can be defined as the transfer of active humoral immunity of antibodies. It can…

Q: Which of these statements about gamma interferon is false? a. It is a polypeptide autocrine…

A: The interferon gamma is a dimerized soluble cytokine that is the only member of type II class of…

Q: What is the function of the blood-thymus barrier?a. It protects maturing T-lymphocytes from antigens…

A: The blood thymus barrier found in the cortex part of the thymus.

Q: Antibodiesa. prevent antigens from binding together.b. promote phagocytosis.c. inhibit…

A: Answer: Introduction: Antibody is also known as immunoglobulin, a protein formed by the immune…

Q: B lymphocytes holding knowledge of an infectious agent for future responses are called: a) helper…

A: Immune system acts as a defense system in our body by protecting from effects of pathogens and also…

Q: Which of these cell types aids the activation of T lymphocytes by antigens? a. Macrophages b.…

A: The immune system of a body is broadly classified into innate and acquired type. Innate immunity is…

Q: If you could design a drug that increases extravasation at the endothelium, what is the most likely…

A: The leakage of blood, lymph, or other fluid, such as an anticancer drug, from a blood vessel or tube…

Q: Which of the following happens during inflammation? A) O The capillaries supplying blood to the area…

A: Immunity is the body's defense system that protects the body from the invasion of harmful particles…

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: Which of the following is not a function of the lymphatic system?  A. Transports immune cells and…

A: A lymphatic system is a group of tissues and organs that aid in the removal of toxins, waste, and…

Q: If you had to choose between losing function of your B or T cells, which would you choose, and why?

A: INTRODUCTION B cells Type of lymphocytes that are responsible for humoral immunity. T cell This is a…

Q: Compare and contrast T and B cells

A: The T cells are referred to as thymus cells and B cells are referred to as bone marrow (mammals) or…

Q: Which cells produce antibodies? a. Neutrophils. b. Dendritic cells. c. Cytotoxic T cells. d.…

A: In immunology, white blood cells or leukocytes can be further categorized into lymphocytes,…

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: Which of the following describes the developmental pathway for T cells? a. thymus → bone marrow →…

A: A type of leukocyte that plays an important role in the immune system refers to the T cell. T cells,…

Q: The role of the humoral immune response is to a. kill infected cells b. fight pathogens found in…

A: The Humoral immune response is the response generated by the immune system against foreign pathogens…

Q: ____________interferon, produced by T lymphocytes, activates cellscalled _____________ and is…

A: The immune system is a complex network of biological structures (cell) and protein that defends the…

Q: The body's innate defenses include all of the following EXCEPT? A. The skin B. Inflammation C.…

A: Innate defence is a system which is already present in our body from birth .

Q: All of the following are important functions of the innate system EXCEPT that a. Promotes early…

A: Immunity :- It is the tendency of our body to fight against foreign microbes . The system of our…

Q: Which of the following should be the same inidentical twins?(A) the set of antibodies produced(B)…

A: The term MHC denotes Major Histocompatibility complex molecule. This molecule is the host protein…

Q: Which of the following are two hallmarks of the adaptive immune system? a. Immediate and Broad b.…

A: The immune system safeguards your child's body against external intruders. These include bacteria,…

Q: The processes of clonal selection and clonal expansion occur during _____. a. adaptive immune…

A: The immune system functions as a defense mechanism for humans and protects them from foreign…

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: Naturally acquired active immunity would be most likely acquired through which of the following…

A: Acquired immunity is an immunity that is acquired during the life on exposure to environment. There…