ENVIRONMENTAL HEALTH SCIENCES DEGREE QZ12

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Incidence measures: Context: regional referral hospital. [Environmental Health Sciences Degree Graduate Practice Set 12, Case 141]

A Only deaths B New cases occurring in a population at risk over a specified period C Only test positives D Only exposures E All existing cases only

A confounder in an environmental epidemiology study can: Context: community service. [Environmental Health Sciences Degree Graduate Practice Set 12, Case 8]

A Never be controlled B Guarantee causality C Distort the observed exposure-outcome association D Serve as the outcome only E Eliminate bias

An outbreak investigation typically begins by: Context: professional practice scenario. [Environmental Health Sciences Degree Graduate Practice Set 12, Case 10]

A Ignoring time-place-person patterns B Confirming the problem, defining cases and organizing systematic data collection C Publishing conclusions before data D Treating every resident identically without assessment E Avoiding laboratory support

A surveillance system is useful when it provides: Context: district hospital. [Environmental Health Sciences Degree Graduate Practice Set 12, Case 124]

A Data with no intended use B Timely, reliable information for public-health action C No quality checks D Only historical archives E No case definitions

Incidence measures: Context: regional referral hospital. [Environmental Health Sciences Degree Graduate Practice Set 12, Case 149]

A Only test positives B Only deaths C New cases occurring in a population at risk over a specified period D All existing cases only E Only exposures

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