A public health nurse found that out of the 70 people who ate the potato salad at a school picnic,63 developed symptoms of food poisoning.Which of the following best describes the attack rate?

Question

Quizplus · Accepted Answer

The attack rate is the proportion of persons exposed to an agent who develop the disease.Because 63 of the 70 persons became ill,the attack rate is 63:70,or 90%.Sixty-three (63)is the number of clients who developed symptoms of food poisoining.Seventy (70)is the total number of people who ate the potato salad at the school picnic.These numbers need to be used as part of the formula to calculate the attack rate.One hundred (100)does not represent any part of the formula that would be used to calculate the attack rate.

A Public Health Nurse Found That Out of the 70