B Lymphocytes typically target:   a. parasitic worms   b. bacteria   c. viruses   d. intracellular funguses   e. all of the above are correct

Q: Complement can enhance phadocytosis because of the presence on macrophages and neutrophils of…

A: The correct option is C3b.

Q: Which of the following is NOT a function of the immune system?

A: A complex network of cells, organs and proteins that can defend the body against infection and which…

Q: Which of the following immune cells are most efficient for eliminating parasitic worms? 單選: A.…

A: Eosinophils as effector cells against parasites. Following nematode infection, eosinophils gather…

Q: Identify the function of the Purkinje fibres. Select one: O a. O b. O c. O d. act as a pacemaker and…

A: The conducting system of heart consists of SA node, AV node, Right and left AV bundles, purkinje…

Q: Which of the following is part of the second line of defense against pathogens? a. skin b. mucus…

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

Q: QUESTION 20 Pancarditis manifests as inflammation of: O a. Endocardium O b. Myocardium Oc…

A: World of the heart is composed of pericardium, myocardium and endocardium. the pink address for the…

Q: An infected epithelial cell may present the antigen on its a. MHC class I molecules. b. MHC class II…

A: Immunity is the capability of the body to fight against foreign attack and maintain the persistence…

Q: None

A: Monocytes are a type of white blood cell that plays a significant role in the immune system. They…

Q: The human immunodeficiency virus has a preference forinfectinga. B lymphocytes.b. cytotoxic T…

A: The human immunodeficiency virus has a preference forinfecting

Q: Which of the following cells is critically important in mounting an adaptive immune response?

A: Adaptive immune response is the response that is acquired by the body after exposure to a disease…

Q: Which of the following triggers or enhances an inflammatory response? Select one: a. lysozyme Ob.…

A: answer :  The one which can enhance an inflammatory response is  Option : e) Cytokines

Q: An example of innate immune cells are: A. Macrophages B. Dendritic cells C. T cells D. B cells…

A:

Q: Predict how each of the following could reducehost resistance to infection:a. bone marrow damageb.…

A: Host resistance is widely characterized as the ability of the host to reduce the stress of the…

Q: All of the following are associated with ectopic lymphoid tissues except _____. a. they form by a…

A: The cells and organs that make up the lymphatic system like bone marrow, white blood cells, thymus,…

Q: If you have a bad infection, what plasma protein will increase in its concentration in the plasma?…

A: Introduction: The blood is the most essential fluid present in the human body. It comprises fluid…

Q: A. vagina B. trachea and bronchi C. skin D. stomach E. mouth select A B C D E 1. villi pushing…

A: 1) vagina - low pH , antibodies and secretions  2) trachea and bronchi - villi pushing material…

Q: hoose the best answer(s)   a. 'Lymphadenopathy' is swelling of the lymph nodes, and is a common…

A: T cells and B cells are major components of the adaptive immune response. T cells are involved in…

Q: Which of the following diseases is not due to autoimmunity? A. rheumatic fever B. systemic lupus…

A: Hello! Since you have posted multiple questions, we are answering only one part of the question. If…

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: Deficiencies in complement components C1–C4 are associated with _____. a. neutropenia b. chronic…

A: Deficiencies in complement components C1 - C4 are associated with immune - complex disease .…

Q: When first exposed to a foreign molecule, are the first class of antibodies generated a. cytokines…

A: The immune response is a set of responsive mechanisms carried out by the immune system of the body…

Q: 1.Which of the following statements about antibodies is incorrect? a.Antibodies are secreted by…

A: An antibody (Ab), also known as immunoglobulin (Ig), is a large, Y-shaped defensive protein produced…

Q: Which of the following is a function of the secondary lymphaticorgans?a. transport of lymphb. clonal…

A: Answer- Our immune system is composed of primary and secondary lymphoid organs.

Q: The vascular changes of inflammationa. lead to an increase in bacterial cells at the injury site.b.…

A: Answer is option c.)allow plasma proteins to move easily from the bloodstream to theinjury site.

Q: The germinal center of a lymph node   a. Is the location of B cells undergoing clonal expansion…

A: Lymph nodes are small, bean-shaped glands that are the part of the lymphatic system. They are…

Q: What types of cells could be involved in specific immune reactionsagainst the rabies virus?a. T…

A: Viruses are microscopic parasites, typically much smaller than bacteria. They lack the ability to…

Q: .If thymus gland is removed from a newborn, ___________. A. lymphoid organs are not affected B.…

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

Q: Positive selection of lymphocytes refers to the Select one: a. processing of an antigen by a…

A: The question is asking about the process of positive selection in the context of lymphocytes, which…

Q: Which of the following is an autoimmune disease? a. a heart attack b. acute anaphylaxis c. farmer's…

A: Autoimmune disorders cause the destruction of one's own body cells. It has been discovered that IgG…

Q: Put the following stages of inflammation in order from the first responses to the last: 1. tissue…

A: Inflammation is an immune response which protect the body from invaders. It is an example of second…

Q: 9. Coronary arteries route oxygen rich blood into the tissues of the heart. They branch off of the:…

A: As per our honor code, we are allowed to answer only one question at a moment. You have posted…

Q: Non-protein antigens are ineffective becase they cant A. Trigger IgM production B. Be used as a…

A: Antigens are any substances with a biological origin and are able to elicit immune reasons by…

Q: Inflammatory cytokines a. act as opsonins. Ob. are produced only by phagocytic cells. c. facilitate…

A: Immunology is a section of biology that includes the study of molecules, cells, and organs that…

Q: Maturelymphocytes are abundant in these organs as they play a central role in adaptive immunity.…

A: Immune system plays a major role in protecting our body from pathogens, harmful environmental…

Q: 2) Hematopoietic stem cells give rise to: (Choose all that apply) а. B cells b. T cells Macrophages…

A: The stem cells that give rise to other blood cells are known as hematopoietic stem cells (HSCs).…

Q: During removal of cancerous tissue in breast cancer, lymph nodes in the armpit are also removed (if…

A: Mastectomy is a procedure which removes entire breast. Radical mastectomy:In this procedure ,most of…

Q: 1.Which of the following statements about antibodies is incorrect? A.Antibodies are secreted by…

A: Hi, Thanks For Your Question.  Answer : Correct Option  Is E(Antibodies eliminate bacteria by…

Q: 10. Phagocytosis by a phagocyte is required for: B cell action b. helper T (T4) cell action c.…

A: Answer

Q: 45. Which of the following would be involved in reacting to a first-time exposure to Mycobacterium…

A: Note:- Sorry, since you have posted multiple questions so we will be solving the first one for you…

Q: 7. Which are important in nonspecific immune defenses? a. interferons b. lymphocyte activation c.…

A: The immune system is an organ system of the body that is functionally responsible for protecting the…

Q: A young child is hospitalized with recurring bacterial infections, although she appears to make…

A: Humoral immune deficiencies are the conditions which are caused by the impairment of humoral…