Question 1 – Non-Communicable Disease

1. Name the “Levels of Prevention” and provide an example for each.
2. In your own words, briefly describe the “Multi-causation Disease Model”.
3. Identify a noncommunicable disease.
   1. Is this disease acute or chronic?
   2. Come up with at least 3 preventive measures for this disease.
   3. Identify the type of preventive measure – primary, secondary, or tertiary.
4. In your own words, briefly describe the 3-4-50 concept.

Question 2 – Infectious Disease

1. List the links in the “Chain of Infection” and give an example for each link.
2. Provide a prevention strategy for each link in the Chain of Infection.
3. Give an example of a disease carried by a “vector” and a method of prevention/control for that vector/resulting disease.

Question 3 – Study Design

Investigators conducted a study to compare vaccine history among 1,784 children positive for COVID-19 and 5,328 children that are COVID-negative. This is an example of which type of study?

1. Cohort
2. Ecological
3. Experimental 
4. Case-Control

A study finds that the annual incidence of lung cancer is significantly lower in states where tobacco products are costly versus those where it is cheaper. This is an example of which type of study?

1. Cohort
2. Ecological
3. Experimental 
4. Case-Control  

A group of 1200 female office workers between the ages of 40-54 at a local business were followed for 10 years to investigate whether or not women who routinely got a mammogram every year had a smaller risk of developing breast cancer. What type of study is this?

1. Cohort
2. Ecological
3. Experimental 
4. Case-Control

400 STI-negative female college students in San Diego were randomly assigned to Group A: Safer Sex Intervention or Group B: Safer Sex Intervention and were given a supply of condoms. These women were followed for 12 months to determine how the group activities related to sexual risk behaviors. What type of study is this?

1. Cohort
2. Ecological
3. Experimental 
4. Case-Control