NR 540 EXAM PREP LATEST
POPULATION HEALTH
ANSWERED
2023
, 1. What is the definition of epidemiology?
a. The study of the distribution and determinants of health-related states or events in
specified populations, and the application of this study to the control of health problems.
b. The study of the causes and consequences of diseases in individuals or groups of
people.
c. The study of the transmission and prevention of infectious diseases in communities or
populations.
d. The study of the patterns, causes, and effects of health and disease conditions in
defined populations.
Answer: A
2. What is the difference between incidence and prevalence?
a. Incidence is the number of new cases of a disease in a population during a specified
period of time, while prevalence is the total number of existing cases of a disease in a
population at a given point in time.
b. Incidence is the proportion of individuals in a population who have a disease at a
specific time, while prevalence is the proportion of individuals who develop a disease
during a specified period of time.
c. Incidence is the rate at which new cases of a disease occur in a population, while
prevalence is the proportion of individuals who have ever had a disease in their lifetime.
d. Incidence is the number of deaths due to a disease in a population during a specified
period of time, while prevalence is the number of survivors of a disease in a population at
a given point in time.
Answer: A
POPULATION HEALTH
ANSWERED
2023
, 1. What is the definition of epidemiology?
a. The study of the distribution and determinants of health-related states or events in
specified populations, and the application of this study to the control of health problems.
b. The study of the causes and consequences of diseases in individuals or groups of
people.
c. The study of the transmission and prevention of infectious diseases in communities or
populations.
d. The study of the patterns, causes, and effects of health and disease conditions in
defined populations.
Answer: A
2. What is the difference between incidence and prevalence?
a. Incidence is the number of new cases of a disease in a population during a specified
period of time, while prevalence is the total number of existing cases of a disease in a
population at a given point in time.
b. Incidence is the proportion of individuals in a population who have a disease at a
specific time, while prevalence is the proportion of individuals who develop a disease
during a specified period of time.
c. Incidence is the rate at which new cases of a disease occur in a population, while
prevalence is the proportion of individuals who have ever had a disease in their lifetime.
d. Incidence is the number of deaths due to a disease in a population during a specified
period of time, while prevalence is the number of survivors of a disease in a population at
a given point in time.
Answer: A
