ATI RN
Foundational Public Health Services Questions
Question 1 of 5
When calculating the incidence rate for a given disease the numerator of the fraction denotes:
Correct Answer: C
Rationale: Incidence rate = (new cases / population) x constant, focusing on new occurrences.
Question 2 of 5
Morbidity rate reaches higher values if:
Correct Answer: B
Rationale: Morbidity (prevalence) increases with longer disease duration as more cases accumulate.
Question 3 of 5
In the formula for calculating the specificity of the test, the following number of results is entered in the numerator of the fraction:
Correct Answer: A
Rationale: Specificity = TN / (TN + FP), with true negatives in the numerator.
Question 4 of 5
The diagram shows two distributions of the same characteristic among adult population of the towns A and B. The difference between these distributions can be numerically expressed with the use of:
Correct Answer: B
Rationale: The arithmetic mean best quantifies the central tendency difference between two distributions.
Question 5 of 5
The use of variolisation in the past was associated with the spreading of:
Correct Answer: D
Rationale: Variolation was an early method to immunize against smallpox, sometimes spreading the disease.