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HOME > Continuing Education > Quiz #2

JEH Quiz #2 (October 2011)

Featured Article:
“Particulate Matter (PM_2.5) and Carbon Monoxide From Secondhand Smoke Outside Bars and Restaurants in Downtown Athens, Georgia”

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 October 1, 2011 (first day of issue).
Check your continuing education account online.

Quiz deadline: January 1, 2012 (Completed)

JEH Quiz #2 Answers - October 2011:

1. d
2. b
3. c
4. a
5. a
6. c
7. a
8. c
9. a
10. a
11. b
12. e

1.	Health effects from secondhand smoke (SHS) include
	a.	cancer.
	b.	respiratory diseases.
	c.	cognitive decline in children.
	d.	all the above.
2.	Carbon monoxide (CO), particles ≤2.5 μm in aerodynamic diameter (PM_2.5), and salivary cotinine were monitored in this study.
	a.	True.
	b.	False.
3.	The benefit of using of salivary cotinine to assess SHS exposure is that it is
	a.	specific to CO levels.
	b.	inexpensive.
	c.	specific to tobacco smoke.
	d.	a quick method to perform.
4.	__ is commonly used as a nonspecific proxy for SHS and constitutes a significant part of mainstream and sidestream smoke.
	a.	Particulate matter (PM)
	b.	CO
	c.	Hydrogen
	d.	Carbon dioxide (CO₂)
5.	For this study, real-time CO levels were recorded using a CO monitor placed at an approximate height of __ set to record concentrations at __ intervals.
	a.	1.5 to 2 m, 30-second
	b.	1.5 to 2 m, 1-minute
	c.	3 to 15 m, 30-second
	d.	≤1 m, 30-second
6.	Data show a linear increase in PM_2.5 and CO concentrations as the number of smokers increased. This linear trend is __ between PM_2.5 and smokers compared to CO and smokers.
	a.	the same
	b.	b. less pronounced
	c.	more pronounced
7.	__ site(s) had statistically significant higher CO levels when compared to the control site.
	a.	Zero.
	b.	One.
	c.	Three.
	d.	All.
8.	The 24-hour U.S. Environmental Protection Agency protective standard for PM_2.5 is
	a.	15 μg/m³.
	b.	25 μg/m³.
	c.	35 μg/m³.
	d.	45 μg/m³.
9.	Meteorological data, such as wind speed, temperature, and humidity, are factors that determine how quickly air pollutants such as particulates and CO are dispersed.
	a.	True.
	b.	False.
10.	The number of pedestrians/customers and vehicle traffic recorded at each site did not have a statistically significant effect on log(PM_2.5).
	a.	True.
	b.	False.
11.	The data show that the effect of the number of smokers was
	a.	the same on both log(PM_2.5) and log(CO).
	b.	over four times greater on log(PM_2.5) than on log(CO).
	c.	over four times greater on log(CO) than on log(PM_2.5).
	d.	not statistically significant.
12.	The results of the study indicate
	a.	SHS did not affect the levels of PM_2.5 found outside restaurants and bars.
	b.	CO levels remained relatively low outside restaurants and bars.
	c.	SHS leads to significant increases in PM_2.5 outside restaurants and bars.
	d.	a and b.
	e.	b and c.