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Family and Community Health > Module 1 > Flashcards

Module 1 Flashcards

1
Q

this is the study of the distribution & determinants of health-related states or events in a specified population and the application of this study for prevention and control of health problems

A

EPIDEMIOLOGY

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2
Q

what is the goal of epidemiology?

A

identify subgroups who are at higher risk for a disease and who will benefit most from disease-specific intervention

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3
Q

this is a specified target population about which conclusions are to be drawn

A

defined population

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4
Q

this avoids systematic sampling errors but requires consensus of all members of target population. however, this is not feasible in all cases

A

Random selection

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5
Q

True or False: Small sample size may be unrepresentative of the target population but these errors can be computed satistically

A

True because confidence in the conclusions drawn from a sample depends in part on its size. The larger the sample size, the more accurate.

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6
Q

What are the four attributes of epidemiology that make it a tool in improving public health?

A
  1. Searches for CAUSALITY such as genetic factors, environmental factors, and behavior
  2. Determines the NATURAL HISTORY from Good Health -> Subclinical changes ->Clinical Disease -> Death/Recovery
  3. Describes the HEALTH STATUS of populations over time
  4. Evaluates INTERVENTION such as Tx/Medical care, Health promo, Preventive measures, Public health services
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7
Q

What is the most crucial aspect in epidemiological studies?

A

Study Design

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8
Q

True or False: In epidemiological studies, you must consider all sources of bias and confounding and strive to increase them

A

False. Reduce them!!

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9
Q

True or False: Epidemiological studies does not consider ethical issues important

A

False. Very important

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10
Q

This is a type of epidemiological studies that measures and does not interfere with the target population

A

OBSERVATIONAL

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11
Q

Give examples of a Descriptive Epidemiological Study

A

Case report, Case Series

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12
Q

Give examples of Analytical Epidemiological Study

A

Correlational, Case-control, Cohort

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13
Q

Under what type of epidemiological studies is randomized control trial?

A

Experimental or Interventional

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14
Q

this is the state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity

A

Health

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15
Q

what is the major challenge in measuring health & disease?

A

Lack of information because population health status is not fully measured in many parts of the world

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16
Q

How do we measure health?

A

Based on Prevalence and Incidence

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17
Q

These are the people who are susceptible to a given disease and can be defined by demographic, geographic, or environmental factors

A

Population at risk

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18
Q

this is the rate of occurence of new cases arising in a given period in a specified population

A

incidence

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19
Q

this is the frequency of existing cases in a defined population at a given point in time

A

prevalence

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20
Q

what is the focus of incidence?

A

Whether event/case is NEW and the time of ONSET

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21
Q

what is the focus of prevalence?

A

Presence/Absence of disease

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22
Q

Give the uses of Incidence Rates

A

Determining the risk of being ill
Main measure of ACUTE disease
Study of CAUSATION

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23
Q

Give the uses of Prevalence Rates

A

Probability of a population being sick
Study of BURDEN of CHRONIC diseases
Implication for HEALTH SERVICES

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24
Q

this refers to the prevalence data collected for one point in time

A

Point prevalence rate

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25
Q

this refers to the total number of cases at any time during a specified period divided by the number of cases at any time during a specific period divided by the population at risk midway through the period

A

Period prevalence rate

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26
Q

What are the factors that may INCREASE prevalence?

A 
Long duration of disease
Long life of patient without cure
Increase in new cases
In-migration of cases
Out-migration of healthy people
Improved DIAGNOSTIC facilities
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27
Q

What are the factors that may DECREASE prevalence?

A 
Shorter duration of illness
High case-fatality rate
In-migration of healthy people
Out-migration of cases
Improved cure rate
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28
Q

this measures the denominator only at the beginning of the study and is often presented as cases per 1000

A

Cumulative incidence

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29
Q

measures the disease severity. This also refers to the proportion of cases with the disease who die within a specified time.

A

Case fatality rate

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30
Q

This dopes not take into account the chance of dying according to age, sex, race, SEC. etc

A

Crude Mortality

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31
Q

this refers to the ratio of number of deaths from a given cause per 100 or 1000 total deaths. This does not express the risk of the population

A

Proportionate Mortality

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32
Q

This is the most important variable in epidemiologic studies

A

Age because it shows greater variation

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33
Q

This variable is ambiguous and overlaps with nativity and religion

A

race/ethnicity

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34
Q

this refers to the gradual change in frequency over long periods of time (chronic diseases)

A

Secular trends

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35
Q

This refers to the increases or decreases of disease over a period of several years or within a year

A

Cyclical/seasonal trends

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36
Q

This indicates the response of a group in a specified place, exposed to a common source of infection, contamination, or other factors

A

Point epidemics

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37
Q

This refers to the closely grouped series of events/cases of a disease with well-defined distribution patterns in relation to time and place

A

clustering

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38
Q

this refers to the occurence of more cases of disease, injury, or other health-related conditions than expected in a given area, or among a specific group in a particular time

A

Epidemic

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39
Q

this is a mode of transmission involving droplet nuclei or dust in the air

A

Airborne transmission

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40
Q

distance of airborne transmission

A

10-20ft

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41
Q

this mode of transmission involves insects either mechanically thru a contaminated proboscis/feet, or biologically when there is growth or replication of an organism in the species

A

arthropod transmission

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42
Q

In this type of transmission, the infecting agent passes a stage of devt in an intermediate host

A

Biological

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43
Q

this refers to the constant presence of an agent or health condition within an area/pop’n

A

ENDEMIC

44
Q

this refers to an epidemic occuring over a widespread are (multiple countries or continents)

A

PANDEMIC

45
Q

what epidemic curves has a single brief exposure and does not persist over time? This does not involve person to person spread

A

Point Source Outbreak w/o Propagation

46
Q

In this epidemic curve, exposure continues over a long period, many people are exposed simultaneously, and there is no case following the termination of exposure

A

Continuing Source Outbreak

47
Q

This epidemic curve has irregular peaks, has a common source that is not well-controlled, and is seasonal/weather-related

A

Intermittent

48
Q

this epidemic curve involves person to person spread and has a series of progressively taller peaks, each with an incubation period apart.

A

Propagated Spread

49
Q

This is due to a specific infectious (biological) agent or its toxic products capable of being transmitted from man to man, animal to man, animal to animal, or environment to man

A

Communicable disease

50
Q

This refers to a factor/form of energy whose presence/abscence or excessive presence/deficiency cause disease or other adverse effects

A

Agent

51
Q

This refers to a person/other living organism that is susceptible to or harbors an infectious agent

A

Host

52
Q

this is an extrinsic factor that affects an agent and the opportunity for exposure

A

Environment

53
Q

This is a step in the investigation of an epidemic wherein the researchers do the following:
Prepare for Field Work
Establish the existence of an Outbreak
Verify Diagnosis

A

Definition of the problem

54
Q

This is a step in the investigation of an epidemic wherein the researchers do the following:

  1. ) Define & identify cases by establishing a case definition and identifying and counting cases
  2. ) Perform descriptive epidemiology
A

Appraisal of existing facts

55
Q

What is the third step in the investigation of an epidemic ?

A

Formulation of hypothesis

56
Q

This is a step in the investigation of an epidemic wherein the researchers do the following:
Reconsider/Redefine Hypothesis
Execute additional epidemiologic studies
Do other types of studies such as lab, environmental, etc

A

Testing the hypothesis

57
Q

This is a step in the investigation of an epidemic wherein the researchers do the following:
Implement control & prevention
Communicate Findings

A

Conclusions and practical applications

58
Q

What are the three ways to terminate an epidemic?

A
  1. exhaustion of the susceptible population
  2. Elimination of the agent
  3. Closure of secondary transmission
59
Q

refers to the proportion of exposed persons who become infected

A

Infectivity

60
Q

refers to the proportion of infected individuals who develop clinically apparent disease

A

Pathogenicity

61
Q

refers to the proportion of clinically apparent cases that are severe or fatal

A

Virulence

62
Q

this is the habitat in which an infectious agent normally lives, grows, and multiplies

A

Reservoir

63
Q

What are the risk factors for non-communicable disease?

A

Tobacco, Sedentary lifestyle, alcoholism, unhealthy diet

64
Q

What is the leading cause of death? (Non-communicable)

A

Cardiovascular Diseases

65
Q

identify the type of epidemic spread:

21 cases of shigellosis among children and workers at a day care center over a period of 6 weeks, no external source identified incubation period for shigellosis is usually 1—3 days)

A

Propagated

66
Q

identify the type of epidemic spread:

36 cases of giardiasis over 6 weeks traced to occasional use of a supplementary reservoir (incubation period for giardiasis 3–25 days or more, usually 7–10 days)

A

Intermittent or continuous common source

67
Q

identify the type of epidemic spread:

43 cases of norovirus infection over 2 days traced to the ice machine on a cruise ship (incubation period for norovirus is usually 24–48 hours)

A

Point source

68
Q

22 cases of legionellosis occurred within 3 weeks among residents of a particular neighborhood (usually 0 or 1 per year)

this reflects:

a. epidemic
b. pandemic
c. endemic

A

Epidemic

69
Q

About 60 cases of gonorrhea are usually reported in this region per week, slightly less than the national average

this reflects:

a. epidemic
b. pandemic
c. endemic

A

Endemic

70
Q

Over 20 million people worldwide died from influenza in 1918–1919

this reflects:

a. epidemic
b. pandemic
c. endemic

A

Pandemic

71
Q

refers to the progression of a disease process in an individual over time, in the absence of treatment

A

Natural history of disease

72
Q

This stage of subclinical disease, extending from the time of exposure to onset of disease symptoms, is usually called? During this stage, disease is said to be asymptomatic (no symptoms) or inapparent

A

incubation period

73
Q

True or False: Although disease is not apparent during the incubation period, some pathologic changes may be detectable with laboratory, radiographic, or other screening methods.

A

True

74
Q

The onset of symptoms marks the transition from what stages?

A

subclinical to clinical disease

75
Q

persons who are infectious but have subclinical disease are called

A

Carriers

76
Q

an infectious disease that is transmissible under natural conditions from vertebrate animals to humans.

A

zoonosis

77
Q

occurs through skin-to-skin contact, kissing, and sexual intercourse, also refers to contact with soil or vegetation harboring infectious organisms.

A

direct contact

78
Q

refers to spray with relatively large, short-range aerosols produced by sneezing, coughing, or even talking

A

Droplet Spray

79
Q

What agent has an incubation period of few mins to 30 mins and cause paralytic shell poisoning?

A

Saxitoxin

80
Q

How long is Salmonella’s incubation period? What are its clinical effects?

A

6-48 hrs,

Diarrhea often with fever and cramps

81
Q

How long is the SARS-related corona virus’ incubation period?

A

3-10days but usually 4-6 days

82
Q

What agent has an incubation period of

A

Human Immunodeficiency Virus

83
Q

When is the usual time of diagnosis?

A

Stage of clinical disease

84
Q

1) Remove the exposure
2) Remove the ability of the exposure to go to that person by correcting the environment, or
3) Strengthening the immune system of the person

These are the goals of what level of prevention?

A

Primary Prevention

85
Q

What is the main goal of Secondary Prevention

A

Detect early pathologic changes and treat the person

immediately

86
Q

What is the main goal of Primary Prevention

A

Prevent a person from developing a disease

87
Q

What is the main goal of Tertiary prevention

A

Treatment and correct the complication

88
Q

What do you call the kind of primary prevention wherein the person has to be actively the activity for them to be protected

A

Active Participation

89
Q

This kind of primary prevention is just part of the daily routine activities

A

Passive Participation

90
Q

This level of prevention involves:
Procedures that detect and treat pre-clinical pathological changes
Control disease progression

A

Secondary Prevention

91
Q

Most of the time, your secondary prevention techniques are….

A

screening and laboratory tests

92
Q

The following are goals of what level of prevention?
o Prevent damage and pain from the disease
o Slow down the disease
o Prevent the disease from causing other problems (“complications”)
o Give better care to people with the disease
o Make people with the disease healthy again and able to do what
they used to do
• Soften the impact of illness on the patient’s function, longevity, and
quality of life

A

Tertiary Prevention

93
Q

In this kind of condition, tertiary prevention’s focus is on rehabilitation or assisting the patient to accommodate
to his disability

A

Irreversible conditions

94
Q

In this kind of condition, tertiary prevention’s focus is on reduction of population prevalence

A

Reversible conditions

95
Q

In this kind of condition, tertiary prevention’s focus is on increasing prevalence if it prolongs survival

A

Incurable conditions

96
Q

The risk or vulnerability of an individual to certain

disease entity

A

Susceptibility

97
Q

The event pertaining to any factors that may or may

not cause a certain disease

A

Exposure

98
Q

It is the basis for the concept of QUARANTINE especially during an emerging epidemic or endemic diseases. • It is feasible to generate your differentials / diagnoses through SCREENING at this stage

A

Stage of Subclinical Disease

99
Q

would cover the ability to do ADLs (Activities of
Daily Living) in an OLOF (Optimum Level of Functioning) and/or an increased in the QOL (Quality of Life), and among others.

In what stage is this outcome seen?

A

Positive outcomes.

STAGE OF RECOVERY, DISABILITY OR DEATH

100
Q

would entail any disability, further compromised
state of health and general well being, limited executive functions, inability to optimally perform ADLs, a significant decrease in QOL, and even death of an individual. All of these outcomes are determined by your Epidemiological Triangle.

In what stage is this outcome seen?

A

Negative outcomes.

STAGE OF RECOVERY, DISABILITY OR DEATH

101
Q

a consideration of overall learned health practices. Its main goals are to:
• Impart accurate evidence-based knowledge to individuals, group of individuals and to the community for the prevention certain diseases
• Advocacy on general health practices.

A

Health Care Outcome Continuum

102
Q

These are diagnostics modalities and supportive/adjuncts to therapy. It is usually short term and for monitoring purposes. In the clinical settings, this is used in medical
researches and a preferred method of determining health
outcomes due to its convenience and ease

A

Surrogate/Disease-oriented health outcome

103
Q

The most important determinant of health

outcome due to its longer duration of observation. It reflects an improved health state.

A

Clinical/Patient-oriented health outcome

104
Q

defined as the value of disease-related cases as well as the complications and co-morbidities. Either had the disease or having the disease;

A

MORBIDITY

105
Q

the state of having a disease accompanied by

another disease entity. i.e DM patients with HPN and Syndrome X

A

CO-MORBIDITY

106
Q

– defined as the number of deaths in relation to certain

factors (age, specific cause of death, total number of deaths).

A

MORTALITY

Family and Community Health (1 decks)

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