BIOS 255N Week 8 Final Exam Answers – Essay Questions
Question #1. Describe the feedback mechanism involved in erythropoiesis.
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.