ENVIROMENTAL HEALTH SCIENCE FINAL EXAMS
WITH VERIFIRED ANSWERS PAPER 3-YEAR 2024-
2025
SECTION ONE – MULTIPLE CHOICE
1. The discipline of industrial hygiene includes?
A. Evaluation of hazards
B. Control of hazards
C. Recognition of hazards
D. Anticipation of hazards
A. Evaluation of hazards
B. Control of hazards
C. Recognition of hazards
D. Anticipation of hazards
2. Which of the following careers include or use environmental health principles?
A. Toxicologist
B. Occupational nurse
C. Industrial Hygienist
D. Nurse at UHS
,A. Toxicologist
B. Occupational nurse
C. Industrial Hygienist
3. Personal exposure can vary based on:
A. Age
B. Political Belief
C. Occupation
D. Blood type
A. Age
C. Occupation
4. Which of the following is the most toxic based on the LD50 values :
A. Acetone (3000 mg/kg)
B. Coffee (200 mg/kg)
C. Ethanol (7000 mg/kg)
D. Nicotine(50mg/kg)
D. Nicotine(50mg/kg)
5. LOAEL refers to?
A. Lowest dose at which there was an adverse effect
B. Highest dose at which there was no adverse effect
,C. Highest dose at which there was an adverse effect
D. Lowest dose at which there was no adverse effect
A. Lowest dose at which there was an adverse effect
3. Which of the following is the least toxic based on the LD50 values?
A. Acetone (3000 mg/kg)
B. Coffee (200 mg/kg)
C. Ethanol (7000 mg/kg)
D. Nicotine(50mg/kg)
C. Ethanol (7000 mg/kg)
4. NOAEL refers to?
A. Lowest dose at which there was an adverse effect
B. Highest dose at which there was no adverse effect
C. Highest dose at which there was an adverse effect
D. Lowest dose at which there was no adverse effect
B. Highest dose at which there was no adverse effect
5. What kind of tests can we use to rapidly evaluate toxicity of a chemical?
A. Prospective cohort studies
B. High throughput screening
, C. In vivo exposure studies
D. Exposure assessment
B. High throughput screening
6. A scientific review evaluated evidence on the effects of exposure to dioxins in
humans. At least five of the eight studies funded by the National Chemical
Manufacturing Association reported little or no negative health effects, while all
five studies funded by the US government reported some health effects related to
dioxin exposure. This is an example of:
A. Realism
B. Precautionary principle
C. Environmental injustice
D. Funder effect
D. Funder effect
7. The Ames test is?
A. A test that must be passed by all workers before they can join the EPA
B. A statistical manipulation performed by environmental epidemiologists
C. An in vitro screening method to determine if a compound causes DNA
mutations
D. An ethical test to determine if a chemical can be tested on animals
C. An in vitro screening method to determine if a compound causes DNA
mutations
WITH VERIFIRED ANSWERS PAPER 3-YEAR 2024-
2025
SECTION ONE – MULTIPLE CHOICE
1. The discipline of industrial hygiene includes?
A. Evaluation of hazards
B. Control of hazards
C. Recognition of hazards
D. Anticipation of hazards
A. Evaluation of hazards
B. Control of hazards
C. Recognition of hazards
D. Anticipation of hazards
2. Which of the following careers include or use environmental health principles?
A. Toxicologist
B. Occupational nurse
C. Industrial Hygienist
D. Nurse at UHS
,A. Toxicologist
B. Occupational nurse
C. Industrial Hygienist
3. Personal exposure can vary based on:
A. Age
B. Political Belief
C. Occupation
D. Blood type
A. Age
C. Occupation
4. Which of the following is the most toxic based on the LD50 values :
A. Acetone (3000 mg/kg)
B. Coffee (200 mg/kg)
C. Ethanol (7000 mg/kg)
D. Nicotine(50mg/kg)
D. Nicotine(50mg/kg)
5. LOAEL refers to?
A. Lowest dose at which there was an adverse effect
B. Highest dose at which there was no adverse effect
,C. Highest dose at which there was an adverse effect
D. Lowest dose at which there was no adverse effect
A. Lowest dose at which there was an adverse effect
3. Which of the following is the least toxic based on the LD50 values?
A. Acetone (3000 mg/kg)
B. Coffee (200 mg/kg)
C. Ethanol (7000 mg/kg)
D. Nicotine(50mg/kg)
C. Ethanol (7000 mg/kg)
4. NOAEL refers to?
A. Lowest dose at which there was an adverse effect
B. Highest dose at which there was no adverse effect
C. Highest dose at which there was an adverse effect
D. Lowest dose at which there was no adverse effect
B. Highest dose at which there was no adverse effect
5. What kind of tests can we use to rapidly evaluate toxicity of a chemical?
A. Prospective cohort studies
B. High throughput screening
, C. In vivo exposure studies
D. Exposure assessment
B. High throughput screening
6. A scientific review evaluated evidence on the effects of exposure to dioxins in
humans. At least five of the eight studies funded by the National Chemical
Manufacturing Association reported little or no negative health effects, while all
five studies funded by the US government reported some health effects related to
dioxin exposure. This is an example of:
A. Realism
B. Precautionary principle
C. Environmental injustice
D. Funder effect
D. Funder effect
7. The Ames test is?
A. A test that must be passed by all workers before they can join the EPA
B. A statistical manipulation performed by environmental epidemiologists
C. An in vitro screening method to determine if a compound causes DNA
mutations
D. An ethical test to determine if a chemical can be tested on animals
C. An in vitro screening method to determine if a compound causes DNA
mutations
