QUESTIONS WITH CORRECT
ANSWERS
Radon Is A Radioactive Gas Released From Soil And Rocks And Is A
Carcinogen Implicated In Lung Cancer. The Radon Mitigation System
Includes Which Of The Following?
A. Gravel
B. Plastic Sheeting Sealing And Caulking
C. Vent Pipe
D. Junction Box
E. All Of The Above Correct Answers E. All Of The Above
For Purposes Of A Risk Assessment How Do You Characterize The At-Risk
Population?
A. Geography/Location
B. Proximity To A Specific Location
C. Birth Cohort
D. All Of The Above Correct Answers D. All Of The Above
The Effects Of Exposure Are Influenced By Individual Susceptibility,
Which Depends On Age, Developmental Stage, Nutrition, And Social
Support. Pollutants In The Indoor Environment Are Potentially More
Hazardous To Children Than Adults Because Their Lungs Are Still
Growing And Maturing; Younger Children Breathe More Air Than Older
Children Or Adults, And They Spend More Time Indoors. Which Of The
Following Approaches Will You Consider In Reducing Indoor Air
Pollutions?
A. Eliminating Or Controlling The Sources Of Pollution
B. Ventilation With Outdoor Air To Dilute And Remove Pollutants
C. Air Cleaning By Air Filters And Ionizers To Remove Pollutants
D. All Of The Above
E. A And B Only Correct Answers D. All Of The Above
Cigarette Smoking During Pregnancy Has Been Associated With Congenital
Anomalies. Which Of The Following Statements Describe(S) The Role Of
Smoking During Pregnancy And Children's Health?
,A. Children Whose Mothers Smoke Have More Respiratory Problems Than
Children Whose Mothers Do Not
B. Pneumonia And Hospitalization In The First Year Of Life Are More
Frequent In Children Whose Mothers Smoke
C. Infant Mortality Is Higher In Children Born To Women Who Smoked
During Pregnancy Than In Children Of Nonsmokers
D. Infants Of Mothers Who Smoke Have Higher Risk Of Sids Than Infants
Of Mothers Who Do Not
E. All Of The Above Correct Answers E. All Of The Above
Power Plants, Factories, And Vehicles Spew Out Harmful Gases And Small
Particles That Can Penetrate Deep Into Human Lungs, Causing Health
Problems. In Strong Sunlight, Oxides Of Nitrogen From Vehicle Exhaust
Fumes Form Ozone At Ground Level, Which Can Trigger Asthma Attacks.
Which Of The Following Constitute Major Outdoor Pollutants That Can
Have An Adverse Effect On Human Health?
A. Particulate Matter
B. Ozone
C. Carbon Monoxide
D. All Of The Above
E. A And C Only Correct Answers D. All Of The Above
Parental Smoking And Indoor And Outdoor Air Pollutants Have Been
Associated With Childhood Asthma, And Asthma Is One Of The Leading
Causes Of Chronic Disease Among Children. Which Of The Following Is
(Are) Indicative Of Increase In Asthma Severity Among Children With The
Condition?
A. Frequency And Intensity Of Asthma Attack
B. Number Of Er Visits During The Year
C. All Of The Above
D. A And B Only Correct Answers C. All Of The Above
An Estimated 4,000 Toxic Substances Have Been Isolated In Cigarette
Smoke. Some Of These Substances Are Clearly Termed Toxic And Others
As Carcinogens. Which Of The Following Substances In Cigarette Smoke
Have Been Categorized As Carcinogenic?
A. Benzo (A) Pyrene
B. N-Nitrosodimethylamine
C. Cadium
D. All Of The Above
E. A And C Only Correct Answers D. All Of The Above
The Primary Method Used To Predict Movement Of Substances In
Environmental Media Is:
, A. Actual Measurements Of Air And Water Pollutants At Various Places In
The Environment
B. Exposure Models
C. Tagging Pollutants With Radioactive Tracers And Measuring The
Radioactivity At Various Times And Locations Within The Environmental
Media
D. None Of These Correct Answers B. Exposure Models
The Clinical Features Of Co Poisoning Are Highly Variable, And
Symptoms Vary From Mild To Very Severe. As An Environmental Health
Specialist For The County's Health Department, You Are At A Scene With
Individuals Exposed To Co. Which Of The Following Manifestations
Would You Expect To Observe?
A. Dizziness, Fatigue Dyspnea
B. Vomiting
C. Irritability
D. Unconsciousness/Coma
E. All Of The Above Correct Answers E. All Of The Above
1. Toxic Substances Are Often Described By Their Abilities To Cause
Adverse Or Unwanted Health Effects. Which Of The Following Statements
Describes Risk?
A. It Is The Capacity Of A Substance To Cause An Adverse Effect In A
Specific Organ Or Organ System
B. It Reflects The Probability That A Hazard Will Occur Under Specific
Exposure Conditions
C. It Involves Weighting Of Policy Alternatives And Selection Of The Most
Appropriate Actions
D. It Results In A Statistically Derived Probability That An Adverse Effect
Will Occur At A Defines Exposure Level
E. None Of These Correct Answers B. It Reflects The Probability That A
Hazard Will Occur Under Specific Exposure Conditions
D. It Results In A Statistically Derived Probability That An Adverse Effect
Will Occur At A Defines Exposure Level
Although Pesticides Are Used Specifically To Kill Pests, Many Of Them
Have Environmental Impacts As Well As Toxic Effects On Humans. The
Environmental Impact Of Their Use Includes Resistance Development,
Killing Of Beneficial Species, And Environmental Contaminant. Which Of
The Following Is (Are) The Result(S) Of Unintended Contamination By
Pesticides?
A. Direct Killing Of Organisms Exposed To Chemicals
B. Indirect Killing Via Depletion Of Food Or Habitat
C. Groundwater Contamination