Indicate whether the following questions are true (T) or false (F). a. Secondary immune responses take the same amount of time as primary immune responses to become effective. b. On secondary exposure to an infectious agent there is reduced mortality. c. Only immune responses made in mucosal secondary lymphoid tissues can provide protective immunity. d. If an individual acquires a second cold in the same season it will most probably be caused by a different type of cold virus. e. Plasma cells generated in a secondary immune response have longer life-spans than those made during a primary immune response. f. During a primary immune response, only memory B cells are generated.

Q: Which statement is true of autoimmunity? a. It involves misshapen antibodies. b. It refers to…

A: Immunity can be defined as the ability of an organism to fight against infections caused by a…

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: Discuss three differences between antigen and antibodies Explain the structure of the antibody…

A: Answer 1 :  The three Difference between antigen and antibodies are as follows :  1.  Origin :…

Q: Mark the following statements as true or false. If a statement is false, correct is to make a true…

A: A)  true B) false,  secondary immunue response is controlled by T- cells

Q: How are neutrophils targeted from the blood vessels to the sites of inflammation? A. they bind to…

A: Neutrophils are a class of white blood cells that aids in the healing of damaged tissues and the…

Q: List and explain briefly three characteristics of adaptive immune system

A: Our adaptive immune framework spares us from unavoidable demise by contamination. A baby brought…

Q: Which of the following lists contains cells that are typically considered to be associated with the…

A: Immunity can be defined as the capacity of the body to fight against the pathogens attacking the…

Q: Which term is used to describe hypersensitivity of the immune system to reLatively harmless…

A: The immune system is made up of special organs, cells and chemicals that fight infection (microbes).…

Q: The acquired ability to prevent an unnecessary or destructive immune reaction to a harmless foreign…

A: Immune tolerance is significant for ordinary physiology. Central tolerance is the fundamental way…

Q: Approximately 70% of the body’s immune system cells are located in or near the wall of the lower…

A: The immune system comprises several types of cells. They can be categorized as B-lymphocytes,…

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: 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: Immune responses tailored to specific antigens involvea. T cells.b. macrophages.c. monocytes.d.…

A: Immunity can be defined as the ability of an organism to fight against infections caused by a…

Q: Which of these events is not a part of the second line of defense? You may have more than one…

A: Our body has mainly three line of defence. Defensing foreign substances is important to ensure good…

Q: Choose the best answer for following question. Which of the following is most directly responsible…

A: For our life, our immune system is critical. Our bodies would be vulnerable to bacteria, influenza,…

Q: Which of the following statements regarding intraepithelial lymphocytes is false? (Select all that…

A: BASIC INFORMATION IMMUNE SYSTEM  It defends our body from the foreign particles which can cause…

Q: Eileen presents with flu-like symptoms, including fever, chills,and body aches:- a. What part of the…

A: Flu-like symptoms may be caused by a variety of illnesses, autoimmune disorders, and other…

Q: An individual is infected with a particular pathogen that he had before. This results in the…

A: Immunity is a complicated biological system with the ability to recognize and accept what belongs to…

Q: If that person was had a bacterial respiratory infection, indicate how a pathway that the could be…

A: Interaction of the body with any foreign substance causing deleterious health effects is called…

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: All but one of the following occurs during the inflammatory response.  Select the example below that…

A: c. Vasoconstriction prevents excessive blood loss due to injury. It is the correct option.…

Q: The question is " compare and contrast natural, acquired, active and passive immunity, giving…

A: Immunity can be defined as the ability of the organism to resist against infections or diseases by…

Q: Which of the following best describes the movement of a T cell through a lymph node? a. It enters…

A: T-cells are part of the cell-mediated immune system in humans. Lymph nodes are small bean-shaped…

Q: Which of the following is a function of the Lymphatic System?

A: Lymphatic system contains organs and tissues spread all over the body help in removal of toxic waste…

Q: One of the common characteristics of lymphocytes (1), neutrophils, and macrophages) the resulting…

A: In the human body, the resistance against the entry of any foreign particle or antigens is executed…

Q: Discuss the multiple, overlapping functions of the immune system.Which tissues and organs are…

A: Immune system is a complex cell/tissue network that protects our body from any infection. It keeps a…

Q: 1 Write essay Demonstrate the homeostasis involved to maintain the system functions a) at least two…

A: Every organism possesses a mechanism for maintaining homeostasis which is a process in which the…

Q: Explain why each choice (a-d) is correct or incorrect.  Which of the following examples below…

A: An autoimmune disease is a condition in which your immune system erroneously attacks your body. The…

Q: Explain the following: Human skeleton plays a role in immunity. Males tend to have bulkier or…

A: Skeleton bone size and sturdiness differes between the two sexes. It starts from early childhood as…

Q: Explain why the secondary immune response (months, years, or decades after the first exposure to a…

A: Immunity is a phenomenon build up inside the body of an organism in order to cope up with foreign…

Q: Which of the following statements are true about antibodies? I. They are produced by the B cells.…

A: Often our body fights against infections by producing certain molecules. These molecules called…

Q: Which of the following leads to swelling seen in an inflammation? a. Vasodilation  b. Complement…

A: Swelling is the result of the increased movement of fluid and white blood cells into the injured…

Q: Compare and contrast the most common infections in individuals with defects in cell-mediated immune…

A: Introduction :- Antibody molecules released by plasma cells serve as the mediators of the humoral…

Q: Describe in detailed information In text What specific defence mechanism and the third line of…

A: The immune system functions to protect the human body from harmful microbial pathogens as well as…

Q: How do corticosteroids act to block inflammation? a. Blocking neutrophil migration b. Blocking…

A: Inflammation is caused due to the influx of granulocytes such as Eosinophils, basophils, and…

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: Virus-infected cells are detected and destroyed by which cells of the immune system? A)helper T…

A: C)-cytotoxic T cells

Q: Which of the following is not true of the lymphatic system? a. Oxygen is transported to body tissues…

A: Introduction The spleen, thymus, lymph, lymph nodes, and lymph vessels make up the lymphatic system.…

Q: Suggest a single, specific malfunction in the immune systemthat would affect at least three other…

A: Immune system: An immune system can be defined as that biological structures and processes present…

Q: The complement system of defense is composed of proteins that are always present in the blood. Which…

A: The complement system of defense is composed of proteins that are always present in the blood. The…

Q: Type of specific resistance that has been introduced to the body is already antibodies that provide…

A: A. Natural immunity:- It is a kind of immune response/immunity that the body develops on its own…

Q: The benefit of specific immunity is the production of ________ that provide long-lasting protection.…

A: Solution mentioned below

Q: Once the antigen presenting cell delivers the message about the identity of the specific pathogen to…

A: In vertebrates, the innate, or nonspecific, immune system is one of two major immunity systems (the…

Q: Explain the difference between basic T cells and B cells as they relate to a vaccine. Additionally,…

A: Lymphocytes are the major components of the human immune system. T cells and B cells are the two…

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.