What do macrophages do that neutrophils don’t do?     A. antigen presentation     B. degranulate     C. phagocytose pathogens   D. both a and b     E. both b and c

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 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: A macrophage phagocytizes an invading E. coli bacterium.  Select the type of MHC molecule that…

A: A macrophage is one of the cells of immune system which plays an important role in innate as well as…

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: The symptoms in scarlet fever are due toa. streptolysin b. coagulase c. erythrogenic toxin d.…

A: Scarlet fever is a bacterial infection that is characterized by sore throat, fever, swollen lymph…

Q: This chemical is released by virus-infected cells to decrease the spread of virus to nearby cells.…

A: Virus-infected cells release certain chemicals that work as immunity protection against viruses. It…

Q: What class of antibodies is normally found in the mucosa of the respiratory tract? a. IG-A b. IG-D…

A: Antibodies are proteins produced and secreted by B cells. They bind to foreign substances, like…

Q: Which of the following is a non-organ-specific (systemic) autoimmune disease? a. Systemic lupus…

A: Sure, here are the reasons why the other options are incorrect: b. Hashimoto's thyroiditis…

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: Systemic distribution of TNF-α in the blood circulation may cause _____. a. respiratory burst b.…

A: Tumor Necrosis Factor alpha (TNF alpha), is an inflammatory cytokine produced by…

Q: All of the following are signs of inflammation except

A: Inflammation is a defense mechanism used by your body's white blood cells and the substances they…

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 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: 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: Which ONE of the following flow cytometry results is most likely in a patient with chronic…

A: B cell chronic lymphocytic leukemia (CLL) develops from a type of white blood cell called B cells.…

Q: Which of the following use similar process of cytolysis? A.Plasma cell/ Macrophage B.Helper T…

A: Cytolysis is carried out predominantly by the natural killer (NK) cells and cytotoxic T lymphocytes…

Q: The respiratory burst is used by tokill bacteria.a. neutrophilsb. basophilsc. mast cellsd. NK…

A: Respiratory burst (additionally called oxidative burst) is the rapid release of responsive oxygen…

Q: B Lymphocytes typically target:   a. parasitic worms   b. bacteria   c. viruses   d. intracellular…

A: they are essential for humoral immunity they are known as memory cells plasma cells are mature B…

Q: Protein receptors found on macrophages that recognize foreign antigens a. toll-like receptors…

A: Macrophages are a type of white blood cell that takes part in protecting the body against foreign…

Q: The detrimental effects of Lupus erythematosis are initiated by A. activated T cells attacking…

A: Lupus erythematosus: It is an auto-immune disease, in which the human immune system kills its own…

Q: Which of the following proteins is NOT commonly bound with drug in the bloodstream? A. Albumins B.…

A: Drug bind to plasma proteins according to their charge i.e acidic drugs bound to albumin and basic…

Q: mty Match each lettered term with the most closely related description. a. opsonization 1 Two…

A: immune system protect the child's body from any external invaders. These invaders are germs,…

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: 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: Immunoglobins help eliminate the pathogen through the process of:

A: Option C . Direct Phagocytosis .

Q: MHCII molecules will bind __________ and locate to the cell surface. a. T-independent type antigens…

A: T cells are not able to recognize free antigens directly. They can recognise only antigens that are…