Match the Examples:
| A. Incidence | I. Number of deaths per 100,000 people from heart disease in one year |
| B. Prevalence | II. Number of new influenza cases in a city over a year. |
| C. Morbidity | III. 5% of a population has diabetes at the time of a survey. |
| D. Mortality | IV. Proportion of a population suffering from arthritis. |
1
A-I, B-III, C-IV, D-II
2
A-I, B-IV, C-III, D-II
3
A-IV, B-III, C-I, D-II
4
A-II, B-III, C-IV, D-I