practice test for final Flashcards
The modern ear of PH began ___ yr
1850
Earliest written record in ancient Societies concerning PH was ___
- None of the above
the miasmas theory of contagious dx was known in:___
nineteeth century
Prevalence rates are calculated by dividing all current cases of a dx (old and new) by the total population: T/F
false
dividing ALL cases/ total pop at risk
Name (3) examples of zoonoses
lyme dx
plague
rabies
(measles is not a zoonose)
AIDS, gonorrhea, and syphilis are examples for dx for which transmission: ___
direct
direct is usually sexual
Process of lodgement and growth of a microorganism or virus in the host is called___
Infection
What type of epidemiology study is designed to anser the questions who, when, and where?
descriptive
Crude death rates would be expected to be higher in a ___ pop
older
crude rate: demonomator includes the total population
The value that divide a seres into defined percentages: ___
median
In a series of date, the sum of the squarred deviations from the mean divided by the number values minus one: ___
variance
In a standard distribution curve, the most occuring value in a series of values is ___
mode
The ability of a screening test to identify correctly those who have the dx ___
specificity
Data can be derived from a total population or a sample. When the population sampling units and a
random sample of individuals is chosen from each … sampling is this?
stratified selected sample
Marine Hospital Service which became The US Public Health Service started in:
1789
Regard to the impact they have on the health of the community, and what kind of factors do
geography, the environment, community size, and industrial development represent?
physical
Which of the periods in the history of community and public health in known as the “Spiritual Era
of Public Health”?
middle ages
The germ theory of disease was proposed in 1863 by___
Louis pasteur
Which of the following are NOT biological causative agents? * fungi and metazoa o viruses and ricketttaise o pesticides and food addtives o bacteria and protozoa o all of the above are correct
pesticides and food addtives
What is the correct order of the chain of infection for transmission of a disease from one person to
another?
pathogen - reservoir- portal of exit - transmission- portal of entry- establishment