BIOS255N Final Exam Answers – Essay Questions
Week
8
Question #1. Describe the feedback mechanism involved in
erythropoietin.
Question #2. Describe the cardiac cycle (include conduction,
contraction, heart sounds and EKG information).
Question #3. Describe the factors that increase blood pressure
(negative feedback involved in blood pressure regulation).
Question #4. Describe the responses involved in non-specific
immunity.
Question #5. Describe cell-mediated immunity (antigen presentation,
antigen recognition, activation and cellular response). Include both CD8 and
CD4 T cells.
Question #6. Describe antibody-mediated immunity (antigen
presentation, antigen recognition, activation and cellular response).
Question #7. Describe the events, pressures and muscles involved in
inhalation and exhalation.
Question #8. Describe how breathing is regulated through the
negative feedback control of PCO2, PO2 and pH.
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