Biology 101: Human Biology Lab Quiz #3 Fall 2024 PDF

Name ________________________________________ Biology 101: Human Biology Laboratory Fall 2024 Instructor: Chelsea Connor Quiz #3: 25 pts Disease Transmission, Trends & Prevention 8 9 1...

Name ________________________________________ Biology 101: Human Biology Laboratory Fall 2024 Instructor: Chelsea Connor Quiz #3: 25 pts Disease Transmission, Trends & Prevention 8 9 1 13 14 2 11 6 7 18 5 3 15 16 4 10 12 17 1. You are working with the CDC and receive a contact tracing map pictured above. The information you have on a current disease spread is that patients 11, 12 and 18 tested positive today. Patients 6 & 8, as well as 15 & 17 also tested positive yesterday. Every other patient is currently testing negative. a) Which patients initially had the disease? b) Patient 15 is showing no symptoms. What would this be called? c) Some of the patients testing negative have been vaccinated against this disease. Patients 5 & 4 have autoimmune diseases which prevent them from taking the vaccine, but they were protected from contracting the disease. What is this phenomenon called? 2. There were 400 people with the disease last month. This month there are 17 cases. What would the % change in prevalence be? Name ________________________________________ 3. What is the difference between the prevalence and incidence in disease transmission? 4. What is vaccine skepticism and how would you address it? 5. An increase in disease prevalence is always bad. T or F? 6. All infectious diseases are equally infectious. T or F? 7. Diseases can enter the body through ‘portals of entry,’ like mucus membranes. T or F? Mitosis, Cancer & Stem Cells 8. What is cancer and what can cause it? 9. What phases of mitosis are pictured below? 10. Name two common types of cancer. 11. What is one way to lower the risk for one of the types of cancer you mentioned above? 12. What is a stem cell? 13. Cytokinesis is the division of the nucleus. T or F? 14. Some cells do not need to undergo mitosis. T or F? 15. Metaphase is where the chromatids move toward opposite poles. T or F? 16. The FDA does not approve stem cell therapy clinics. T or F? Name ________________________________________ Formulas: [1 – (1/R0)] x 100 (latest number – previous number) x 100 previous number