Med Surg - Exam #3 NCLEX Style Questions from Textbook Questions and Answers 100% Pass

Med Surg - Exam #3 NCLEX Style Questions from Textbook Questions and Answers 100% Pass The function of monocytes in immunity is related to their ability to... A. stimulate the production of T and B lymphocytes. B. produce antibodies on exposure to foreign substances. C. bind antigens and stimulate natural killer cell activation. D. capture antigens by phagocytosis and present them to lymphocytes. - D Rationale: The mononuclear phagocyte system includes monocytes in the blood and macrophages found throughout the body. Mononuclear phagocytes have a critical role in the immune system. They are responsible for capturing, processing, and presenting the antigen to the lymphocytes. One function of cell-mediated immunity is... 2COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED A. formation of antibodies. B. activation of the complement system. C. surveillance for malignant cell changes. D. opsonization of antigens to allow phagocytosis by neutrophils. - C Rationale: One role of cell-mediated immunity is immune surveillance to detect any malignant changes in cells and then destroy them The reason newborns are protected for the first 6 months of life from bacterial infections is because of the maternal transmission of... A. IgG. B. IgA. C. IgM. D. IgE. - A Rationale: Immunoglobulin G (IgG) crosses the placental membrane and provides the newborn with passive acquired immunity for at least 3 months. Infants also may 3COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED obtain some passive immunity from immunoglobulin A (IgA) in breast milk and colostrum. In a type I hypersensitivity reaction the primary immunologic disorder appears to be A. binding of IgG to an antigen on a cell surface. B. deposit of antigen-antibody complexes in small vessels. C. release of cytokines used to interact with specific antigens. D. release of chemical mediators from IgE-bound mast cells and basophils. - D Rationale: Type I hypersensitivity reactions occur only in susceptible persons who are highly sensitized to specific allergens. Immunoglobulin E (IgE) antibodies, produced in response to the allergen, have a characteristic property of attaching to mast cells and basophils. The nurse is alerted to possible anaphylactic shock immediately after a patient has received intramuscular penicillin by the development of A. edema and itching at the injection site. B. sneezing and itching of the nose and eyes. C. a wheal-and-flare reaction at the injection site. 4COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED D. chest tightness and production of thick sputum. - A Rationale: Initial symptoms include edema and itching at the site of the exposure to the allergen. The nurse advises a friend who asks him to administer his allergy shots that a. it is illegal for nurses to administer injections outside of a medical setting. b. he is qualified to do it