Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

24 Cards in this Set

  • Front
  • Back
The extent of illness, injury or disability in a defined population is called?
Main measures of morbidity are ___ and ___ rates.
incidence, prevalence
___ also refers to sickness rates: The number of ill persons compared to a certain population, which is often a well or at risk group.
The number of new cases of disease which came into existence within a certain period of time per specified unit of population.
Measurement of time that a person was active in the study is called?
person years
___ are used in denominators in the calculation of incidence rates.
___ is the rate at which people without a disease develop the disease during a specific period of time.
___ is the level of disease in a population at a given point in time.
The ratio of the rate of incidence of the disease among those exposed to the disease as compared to the rate of those not exposed to the disease.
relative risk
The rate of disease in exposed persons that can be directly attributed to the exposure of the disease.
attributable risk
Behaviors or exposures associated with increased risk of a disease, injury, condition, or disability which can develop later in life.
risk factors
A key, obvious or well-proven behavior, activity or attribute that has been associated with and increased chance of acquiring a disease.
risk marker
Smoking, high-speed driving, lack of exercise are all examples of ___.
risk markers
___ rates are most commonly used in food poisoning situations or chemical exposures.
The number of persons ill from a specific disease in a limited time period in a specific group makes up ___.
an attack
The persons who come down with the disease after being infected from the primary case are determined by the use of the ___ attack rate.
Prevalence is controlled by what 2 elements?
1.)The number of people who have had the disease in the past.
2.) The length or duration of the illness.
___ prevalence is the total number of people that have had a condition throughout their life.
___ prevalence is the total persons with a condition througout a year.
___ prevalence is the total individuals who have had the disease at any time during the specified period of time.
___ is the number of cases of individuals with a disease, condition or illness at a single specific point in time - the number of existing cases at a point in time.
point prevalence
___ rate is one approach to incidence rates in which the number of persons at risk is used in the denominator. Useful in longitudinal studies.
cumulative incidence
What epidemic is this? The event or exposure of a disease to a group of persons come from a single source.
common source
What epidemic is this? Caused by either direct or indirect transmission of a communicable disease from one individual to another.
propagated epidemic