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BIOS 255N Week 8 Final Exam Answers – Essay Questions

BIOS 255N Week 8 Final Exam Answers – Essay Questions.pdf

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<strong>BIOS</strong> <strong>255N</strong> <strong>Week</strong> 8 <strong>Final</strong> <strong>Exam</strong> <strong>Answers</strong> <strong>–</strong> <strong>Essay</strong> <strong>Questions</strong><br />

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<strong>BIOS</strong> <strong>255N</strong> <strong>Week</strong> 8 <strong>Final</strong> <strong>Exam</strong> <strong>Answers</strong> <strong>–</strong> <strong>Essay</strong> <strong>Questions</strong><br />

Question #1. Describe the feedback mechanism involved in erythropoiesis.<br />

Question #2. Describe the cardiac cycle (include conduction, contraction, heart sounds and EKG<br />

information).<br />

Question #3. Describe the factors that increase blood pressure (negative feedback involved in<br />

blood pressure regulation).<br />

Question #4. Describe the responses involved in non-specific immunity.<br />

Question #5. Describe cell-mediated immunity (antigen presentation, antigen recognition,<br />

activation and cellular response). Include both CD8 and CD4 T cells.<br />

Question #6. Describe antibody-mediated immunity (antigen presentation, antigen recognition,<br />

activation and cellular response).<br />

Question #7. Describe the events, pressures and muscles involved in inhalation and exhalation.<br />

Question #8. Describe how breathing is regulated through the negative feedback control of<br />

PCO2, PO2 and pH.

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