Chemicals and Health Quiz

Chemicals and Health Quiz Answer. In this post you will get Quiz & Assignment Answer Of Chemicals and Health Quiz

 

Chemicals and Health Quiz

Offered By ”Johns Hopkins University”

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Week- 1

Peer-graded Assignment: Chemicals in our environment: What is a chemical and how are we exposed?

Week- 2

Modules 1 and 2 Quiz

 

1.
Question 1
Which of the following are made of chemicals (select all that apply)?

1 point

  • Sugar
  • Heart muscle
  • Medicine
  • Air

2.
Question 2
How do chemicals get into our bodies? Select all that apply.

1 point

  • Eating & drinking (mainly through absorption in our gastrointestinal tract)
  • Touching (mainly through skin contact)
  • Breathing (mainly through contact with our lungs)

3.
Question 3
Select the answer that best fills in the blank.

_________________ is the ongoing, systematic tracking and analysis of employee health outcomes in relation to work assignments and conditions.

1 point

  • Epidemiology
  • Occupational health surveillance
  • Environmental health surveillance
  • Industrial hygiene
  • Biostatistics

4.
Question 4
True or False question:

The healthy worker effect is the observation that workers exhibit higher mortality rates than the general population to which they are compared.

1 point

  • True
  • False

5.
Question 5
What is toxicology?

1 point

  • What a toxicant does to our bodies
  • The study of poisons
  • What our bodies do to a toxicant

6.
Question 6
What is toxicokinetics?

1 point

  • The study of poisons
  • What a toxicant does to our bodies
  • What our bodies do to a toxicant

7.
Question 7
What is toxicodynamics?

1 point

  • What a toxicant does to our bodies
  • What our bodies do to a toxicant
  • The study of poisons

8.
Question 8
What happens to a toxicant after exposure?

1 point

  • Absorption
  • Elimination
  • Distribution
  • Metabolism

9.
Question 9
What is the last thing that our body can do after being exposed to a toxicant?

1 point

  • Distribution
  • Absorption
  • Metabolism
  • Elimination

10.
Question 10
Once a toxicant reaches its molecular targets in the body, it may or may not have a biological effect depending on which of the following:

1 point

  • Dose
  • Synergism
  • Interaction
  • Biotransformation

 

 

Week- 4

Modules 3 and 4 Quiz

 

1.
Question 1
Which statement most accurately describes biomonitoring?

1 point

Measures health outcomes associated with chemical exposure

Integrates sources and routes of exposure

Measures levels of chemical contamination in the environment

2.
Question 2
What are some of the goals of CDC’s National Exposure Report. Select all that apply.

1 point

Help states calculate exposure at the local level (i.e. community, town, province)

Establish “reference ranges” for these chemicals in US residents

Help set priorities for studies on linking exposure to health outcomes

Assess exposure of US residents to various chemicals

3.
Question 3
Public health laboratories ___________________. Select all that apply.

1 point

Answer to the public

Answer to corporate shareholders

Focus on individual people

Focus on entire communities or populations

4.
Question 4
True or False: When two things are associated with each other one can conclude that one caused the other.

1 point

False

True

5.
Question 5
__________ health effects usually occur rapidly as a result of short-term exposures, and are of short duration.

1 point

Acute

Transient

Chronic

Latent

6.
Question 6
_______________ health effects come and go quickly, once the person is removed from the exposure. For example, if the person having trouble breathing due to natural gas exposure is taken outside, the symptoms should pass.

1 point

Latent

Transient

Acute

Chronic

7.
Question 7
Which of the following data types are part of the national Environmental Public Health Tracking Network? Select all that apply.

1 point

Chemical hazard

Exposure

Infectious Diseases

Health Effect

8.
Question 8
What step in risk assessment involves the identification of chemicals of concern and potential associated health effects?

1 point

Risk characterization

Exposure assessment

Dose response

Hazard identification

9.
Question 9
What step in the risk assessment process provides a numeric estimate of human exposure to chemical hazards?

1 point

Exposure assessment

Dose response

Risk characterization

Hazard identification

10.
Question 10
What is epidemiology?

1 point

The study of the distribution of disease in a defined population

The study of poisons

The study of living organisms

The study of chemicals

 

 

Week- 5

Peer-graded Assignment: Demonstrate What You’ve Learned

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