Nightingale College Anatomy Week11 Quiz-Questions with Verified Answers 100%, Exams of Nursing

Download Nightingale College Anatomy Week11 Quiz-Questions with Verified Answers 100% and more Exams Nursing in PDF only on Docsity! Nightingale College Anatomy Week11 Quiz- Questions with Verified Answers 100% Adaptive immunity, part of the body's third line of defense, is orchestrated by two different classes of a type of white blood cell called the - Correct answer lymphocyte The functions of the lymph nodes are - Correct answer defense and hematopoiesis. The lymphatic system serves various functions in the body. The two most important functions of this system are - Correct answer fluid balance and immunity. Which antibody is synthesized by immature B cells and then inserted into their plasma membranes? - Correct answer immunoglobulin M Antibodies are proteins of the family called - Correct answer immunoglobulins. The _____ postulates that when an antigen enters the body, it selects the clone whose cells are committed to synthesizing its specific antibody and stimulates these cells to proliferate and to thereby produce more antibodies. - Correct answer clonal selection theory Pyrogenic molecules trigger the fever response by promoting the production of - Correct answer prostaglandins Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a - Correct answer germinal center. The ingestion and destruction of microorganisms or other small particles is called - Correct answer phagocytosis. Lymphatics in the villi of the small intestines are called - Correct answer lacteals The movement of phagocytes from blood vessels to an inflammation site is called - Correct answer diapedesis The internal environment of the human body is protected by the _____, which is(are) referred to as the first line of defense. - Correct answer skin Which protein interferes with the ability of viruses to cause disease? - Correct answer interferon Recognition of antigens by antibodies occurs when an - Correct answer Antigen's epitopes fit into and bind to an antibody molecule's antigen-binding sites Because T cells attack pathogens more directly, T-cell immune mechanisms are classified as _____ immunity. - Correct answer cell-mediated Which organ has several functions, including defense, hematopoiesis, red blood cell and platelet destruction, and blood reservoir? - Correct answer slpeen Chemo taxis is the process by which a cell navigates toward the source of the chemotactic factor by way of - Correct answer detecting and then moving toward higher concentrations of the factor. Which of these substances operate(s) immune mechanisms? - Correct answer all of the above During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. - Correct answer thymocytes Lymphocytes that kill many types of tumor cells and cells infected by different kinds of viruses are known as - Correct answer natural killer cells. Activities that result in central movement or flow of lymph are called - Correct answer lymph kinetic activities. A tumor of the lymphoid tissue is called - Correct answer lymphoma _____ refers to a phenomenon in which the genetic characteristics common to a particular kind of organism provide defense against certain pathogens. - Correct answer Species resistance Bean-shaped structures located at certain intervals along the lymphatic system are - Correct answer lymph nodes The body's defense mechanisms can be organized into one of two major categories of immune mechanisms; these are - Correct answer innate and adaptive immunity. Masses of lymphoid tissue located in a protective ring under the mucous membranes in the mouth and the back of the throat are called - Correct answer tonsils The presentation of an antigen by an antigen-presenting cell activates the T cell. The cell then divides repeatedly to form a clone of identical sensitized T cells that form - Correct answer effector T cells and memory cells. Which of the following is a powerful poison that acts directly on any cell and quickly kills it? - Correct answer lymph toxin