One health exam 1 sem2

__ the occurance of more cases of disease than expected in a given area over a period of time

Which describe discrete ranking?

Which percent is 2 SD below the mean?

What is pulsenet?

What type of outbreak would you see if a local water source is contaimentated?

___ proportion of animals with a particular condition who die from that condition

T/F: statistical significance does equate to clinical significance.

__ is each sample item has equal chance of being selected.

_____ is defined as mortality/morbidity

___ was considered one of fathers of modern epidemiology bc of his work tracing cholera

which of the following is defined as: Total cases / population at risk in time

Which is the number of correct tests out of all total tests?

What type of outbreak is not propagated but simulates multiple point source outbreaks?

T/F foodborne diseases are a form of direct contact transmission

Which percent is w/in 1 SD of the mean?

Which is the sensitivity equation?

WOTF is a step in evidence based medicine?

__ diseases that are caused by pathogens and transmitted through the air

What step in CDC outbreak includes pulsenet?

Which p value is the highest we will go to gave statisitcal significance?

WOTF are factors of agent in the epidemiological triad?

Which describe interval data w/ natural zero point?

__ the number of deaths from a specified cause per 100,000 person

What are the CDC's 3 outbreak steps?

What is step 1 in CDC outbreak?

What is the total time it takes to report a salmonella case?

How do CDC officials orient the data?

Point source with propagation starts with...

What is the prob of flipping at least one head if you flip coin twice

__ describes targets are close to actual goal.

In a graph that is negatively skewed, what direction does the tail of the graph go?

______ is the incidence rate among exposed / incidence rate among not exposed

WOTF are factors of host in the epidemiological triad?

_____ is used to calcular the prob of independent events; either occuring

which of the following is defined as: New cases / population at risk in time

__physical contact between infected individual & susceptible individual& transfer of organisms

Which percent is w/in 1 SD above the mean?

Which describes categorical discrete data such as name?

Which is the postivie predictive value equation?

if you measured the same horse over and over, you'd get slightly diff results, this is..

_____ is the incidence rate exposed - incident rate of unexposed

__ describes when all the targets are very close together.

_____ means the rate of occurance is the same as incidence

What would be an example of a proportion?

___ number of new cases in population at risk divided by number of people in population at risk

Which is does temperature Fahrenheit fall under?

__ability of particular disease agent of known virulence to produce disease in range of hosts

__ is a set of uniform criteria used to define a disease for public health surveillance

the epidemiological triad refers to 3 components:

___occurance of cases of disease in excess of what would norm. be expected in defined community

T/F an unbiased random sample does not guarantee that the target pop is replicated

What type of outbreak would you see if a monthly shipment is contaimentated?

____ is defined as the chances of A happening knowing that B has occurred

___ the mortality rate from all causes of death for a population during a specified time period

____ is used to calculate the probability of independent events both occurring

What is the study of health status in populations?

WOTF is NOT a Koch's postulate?

__ measure of the severity of a disease caused by a specified agent

WOTF is involved in a case definition?

__ a susceptible person is infected from contact with a contaminated surface or material

What does the graph look like in a point souce outbreak without propagation?

What is step 3 in CDC outbreak?

What type of outbreak is characterized by long exposer time?

T/F Koch's postulates have some limitations

____ is the practical significance.

__ is ability to give negative findign if there is no disease.

Which percent is w/in 2 SD of the mean

_____ = collection of individuals, items, or measurements that we want to study

Which are variables that can influence results that arent considered in subject population?

__ is sample collected where some animals intended pop. are less likely to be included.

Precision is described as?

T/F droplet contact transmission is also considered direct contact

How do humans get salmonella?

__ a state of complete physical, mental, & social well being & not just the absence of disease

__ is the ability of test to give positive funidng on thsoe w/ disease.

__ -> statement there is no difference btw two events.

TP: 5 TN: 8 FN: 10 FP: 3 What is the test accuracy?

__ an endemic that becomes very widespread and affectrs a whole region

__ is transmission by insect or animal

T/F when using the addition rule, the events have to be mutually exclusive

T/F: Case definitions and their forms are standardized for efficiency.

T/F: there is no difference between sampling error and sampling bias.

____ : confidence that the tested sample result is w/in a range of the true# of the tested pop

SD represented by sigma measures amount of __ or dispersion from avg.

When do symptoms of Salmonella arise?

10% cats vomit from Ab. how likely is it that two cats both vomit when given Ab

WOTF are factors of environment in the epidemiological triad?

What is an example of a point source outbreak without propagation?

What is the iceberg dilemma of disease investigation?

__ a measure of the ability of a disease agent to establish itself in the host

__ is a pathological condition occuring in a susceptible host

1st identified case in a group of related cases of a prtclr communicable or heritable disease:

What are the two types of sampling errors?

Which is the negative predicitve value equation?

What is step 2 in CDC outbreak?

__ any object or substance capable of carrying infectious organisms

___ is the study of the health of popultions

Which is the specificity equation?

__ a disease that can be passed between animals and humans

Accuracy is describe as?

T/F: the CDC can use the pulsnet fingerprint in place of the case definition.