ATI RN
Public Health Foundations Questions
Question 1 of 5
Which denominator number is used for calculating the mortality rate of the disease?
Correct Answer: D
Rationale: Mortality rate = (deaths / population) x constant, using the average population as the denominator.
Question 2 of 5
Which of the following deaths are termed as premature death?
Correct Answer: D
Rationale: Premature death is typically defined as occurring before age 60 or 65 in public health contexts.
Question 3 of 5
In a population of 1.000.000 inhabitants 1.000 persons suffer from pancreatic cancer and in this population there were 200 deaths from that disease in one calendar year. Which of the following is the best overall measure of the described epidemiological situation with regard to pancreatic cancer?
Correct Answer: D
Rationale: Case fatality rate = (deaths / cases) = 200 / 1000 = 20% or 200/1000, best reflecting the disease’s lethality.
Question 4 of 5
A population-based screening of breast cancer was performed using mammography. The sensitivity of the diagnostic tool was 90%, and its specificity was 95%. As a result it can be estimated that in the examined population:
Correct Answer: A
Rationale: Specificity = 95%, so 5% of healthy individuals get false positives.
Question 5 of 5
Factors which influence health according to Lalonde's concept do not include:
Correct Answer: D
Rationale: Lalonde’s model includes environment, biology (genetics), lifestyle, and healthcare; financial factors are indirect.