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ERHS 502 Exam 2 Questions & Answers 2024/2025
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ERHS 502 Exam 2 Questions & Answers 2024/2025
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ERHS 502 Exam 2 Questions & Answers2024/2025
Immunotoxicology - ANSWERSThe study of immune dysfunction resulting from exposure to toxic
substances
Steps of an immune response - ANSWERS1. bacteria trigger macrophages to release cytokines and
chemokines
2. vasodilation and vascular permeability cause redness, heat and swelling
3. inflammatory cells migrate into tissue, releasing inflammatory mediators that cause pain
Primary and secondary response to antigen A - ANSWERSno response during lag phase. Goes up like bell
curve in primary response and then back down. Shoots upward in secondary response.
Macrophage function - ANSWERSlook for anything dangerous, activate T cells for appropriate response.
- tissue surveillance
- phagocytosis
- immune regulation
- lymphocyte activation
(adaptive immunity)
adaptive vs innate immunity - ANSWERSThe innate immune response is activated by chemical properties
of the antigen.
Adaptive immunity refers to antigen-specific immune response.
lymphocytes - adaptive or innate? - ANSWERSadaptive
T lymphocytes - ANSWERS- form in the thymus
- CTL (viral)
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