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Tailored study guide for Chamberlain College of Nursing NR 283. Covers all examinable pathophysiology topics tested in the course. Includes exam 1 and exam 2 prep, plus a final exam review with 1

HEAL100 Health Care — exam and revision material · Other

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Health Care exam material, 40 pages. Originally published on StudyMerit.

Pages
40
Academic year
2025/2026
Language
English

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NR 283 Exam 2 Concept Review / NR283 Pathophysiology Exam 2 Study Guide (Latest): Pathophysiology: Chamberlain (Complete solutions and resources for the course exam) messages.downloaded_by lOMoARcPSD|6879242

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NR 283 Concept Review Exam 2 Summer 2016 Session B **Please be sure to study etiology, clinical manifestations and complications, pathophysiology of the following topics: Immunology : The Immune system seeks out invaders that attack our bodies constantly The Immune system must be able to Recognize Respond and Remember the invader. Immunity means you have protection, but before that you must have been attack by the virus to be immune to it. E.g chicken pox, when someone is exposed to chicken pox virus for the first time, after a couple of days the signs will appear (rash on skin) while the immune system is busy fighting it off. After the person gets better the virus the immune system has the ability to create the memory cells which carries the memory of the chicken pox virus forever. That’s why people that previously had chicken pox rarely get it for the second time. Another example is through vaccination, when we get vaccinated our immune system thinks we already have the virus and builds a line of defense through the memory cells. Memory cells allow Instant recognition to invaders and immediate response to those threats. Transfer factors are memory molecule which educates our immune system the ability to respond immediately because it recognize threats through those memory cells which act like “wanted posters” 3 specific lines of defense  Innate immunity (also known as natural or native immunity) is the first line of defense in the body. It is in place at birth to prevent damages from things in the environment. Innate immunity is comprised of physical and chemical barriers messages.downloaded_by lOMoARcPSD|6879242

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 Physical barriers include your skin and the cells that you have lining your GI tract and esophagus  Chemical barriers include things like mucus, tears, saliva, and the normal flora that lives in our gut and colon If the natural barriers are breached, the second line of defense is the  Inflammatory response which will cause a rapid activation of many chemical and cellular mechanisms. Inflammation is usually the first response to any type of injury. The inflammatory response will protect the body from further injury, prevent infection of the injured tissue, and promote healing. Microscopic changes occur within seconds of the injury and include:  Vasodilation  Increased vascular permeability  Adherence of WBC’s to the site of injury Manifestations of the inflammatory response include:  Redness  Heat  Swelling  Pain  Loss of function  The third line of defense is adaptive immunity (acquired or specific immunity). This defense is typically slower and targets specific microorganisms for destruction . Adaptive immunity also has a memory , so that the next time the body is attacked by the same microorganism, the response will be more rapid .  This is where antigens and antibodies come into play Antigens are either foreign substances or they can be normally found on the surface of human cells.  Their main job is to activate the immune system to produce matching antibodies  Antibodies are specific proteins that are produced in response to bind with an antigen messages.downloaded_by lOMoARcPSD|6879242

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