Normal expectancy

Normal expectancy

 

Question

Question 1

Endemic means that a disease:

a. Occurs clearly in excess of normal expectancy

b. Is habitually present in human populations

c. Affects a large number of countries simultaneously

d. Exhibits a seasonal pattern

e. Is prevalent among animals

Question 2

The first table shows the total number of persons who eat each of two specified food items that were possibly ifeffective with group A streptococci. The second table shows the number of sick persons (with acute sore throat) who eat each of the various specified combinations of the food items.