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JEH Quiz #6 (May 2008)

Featured Article:
"A Procedure for Detecting Childhood Cancer Clusters Near Hazardous Waste Sites in Florida"

Questions compiled by co-author

Greg Kearney, Dr.P.H., M.P.H., R.S.

Available to NEHA members only, the JEH Quiz, offered six times per calendar year through the Journal of Environmental Health, is a convenient tool for self-assessment and an easily accessible means to accumulate continuing-education (CE) credits toward maintaining your NEHA credentials.

It's a simple process...

Read the featured article in the Journal.
Select the correct answer to each JEH Quiz question and click on the Submit button at the bottom of the page.
One CE credit will be applied to your account with an effective date of May 1, 2008 (first day of issue).
Check your continuing education account online.

Quiz deadline: August 1, 2008

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1.	The National Priority List (NPL) hazardous waste sites are considered the worst of the worst hazardous waste sites in the U.S.
	a.	True.
	b.	False.
2.	The SaTScan software program operates by employing the use of a circular window filter that scans over a map, smoothing out the data while analyzing for clusters, and employing which of the following methods:
	a.	evaluating reported space-time disease clusters to determine if they are statistically significant.
	b.	testing whether a disease is randomly distributed over space, time, or space-time, performing geographical surveillance of diseases, and testing geographical areas of significantly high or low rates.
	c.	performing repeated time-periodic disease surveillance for the early detection of disease outbreaks.
	d.	all of the above.
3.	Which data files are needed for SaTScan to properly run a space-time analysis?
	a.	Population, environmental, and census files.
	b.	Population, geographic coordinates, and case files.
	c.	Population, case files, and health files.
	d.	None of the above.
4.	Several important epidemiological limitations exist with this type of study including, determining the etiology of childhood cancers, and the estimating time and place of exposure.
	a.	True.
	b.	False.
5.	The childhood cancers selected for this study include
	a.	Leukemias, lymphomas, brain, and central nervous system.
	b.	Leukemias, retinoblastoma, brain, and central nervous system.
	c.	Renal tumors, leukemias, and lymphomas.
	d.	All of the above.
6.	GIS is a built in feature of the SaTScan software that can be used to display results.
	a.	True.
	b.	False.
7.	Overall, the number of clusters detected in the study was significantly less near NPL sites versus farther away from NPL sites.
	a.	True.
	b.	False.
8.	The age specific groups selected for this cluster analysis were defined as
	a.	Ages 0-16.
	b.	Ages 1-16.
	c.	Ages 0-18.
	d.	Ages 0-19.
9.	As pointed out in the Princeton survey, perception plays an important role in determining risk.
	a.	True.
	b.	False.
10.	Population data used for this study was obtained from
	a.	a private vendor.
	b.	U.S. Census Bureau.
	c.	U.S. Environmental Protection Agency.
	d.	U.S. Department of Health Statistics.
11.	The SaTScan software cannot be used to detect any other types of clusters, except cancers.
	a.	True.
	b.	False.
12.	A comprehensive list of National Priority List hazardous waste sites in Florida can be found on which of the following web sites?
	a.	U.S. Census Bureau.
	b.	U.S. Environmental Protection Agency.
	c.	U.S. Department of Hazardous Waste Sites.
	d.	U.S. Department of Commerce.