Question-

Recognition of tobacco as a health hazard is

a) not yet established by science.

b) only true for people who smoke.

c) one of the ten greatest public health achievements of the twentieth century.

d) only important for young people.

Question-

Clean, safe water and improved sanitation have contributed to

a) control of infectious disease.

b) better governmental social control.

c) better studies of the population's drinking habits.

d) cancer causing microorganisms.

Question-

The number of new cases of an illness each year is referred to as

a) prevalence.

b) incidence.

c) mortality.

d) morbidity.

Question-

The usual number of cases of an illness occurring in a country would be reported as the

a) prevalence.

b) incidence.

c) mortality.

d) morbidity.