QUIZ 1

Who is the “Father of Toxicology” in 16^th century?

• Mathieu Orfila

• Thomas Stevenson

• Paul Ehrlich

• Paracelsus

The book of the Silent Spring by Rachel Carson highlights on __________.

• health hazards of the dusts, fumes, or gases

• dangerous of pesticides in the environment

• target organ toxicity

• staining procedures to observe cell death

___________ is type of poison that produced by a plant or animal.

• Toxin

• Venom

• Biological poison

• Intoxicant

Below are the responsibilities of a toxicologist, EXCEPT:

• Develops standards and regulations to protect health and the environment

• Involved in the recognition, identification and quantitation of hazard

• Determines risk associated with use of chemicals

• Create procedures for handling hazardous materials safely

Exposure to organophosphate pesticide is commonly associated with ____________.

• neurotoxicity

• hepatotoxicity

• derma toxicity

• renal toxicity

Effects of inhaled airborne contaminant is depending on the following factors, EXCEPT:-

• Concentration air pollutants

• Chemical properties of pollutants

• Route of entry

• Duration of exposure

The body can eliminate toxins fast and efficiently enough not to see adverse effect. This condition is represent _______.

• Dose response curve

• Lowest Observable Adverse Effect Level

• No Observable Adverse Effect Level

• Threshold

Most of hazardous substances exhibit a “dose-response relationship” is referring to            .

• exposure to hazard always result in harm

• it does not matter how big a dose received, the response of harm is still same

• fifty percent of people will die when exposed regardless of the dose

• harm caused by the toxicant increases as the amount of toxicant entering the body increases

What does a low LD50 mean?

• The toxicant has a high toxicity.

• The toxicant has a low toxicity.

• The response increases with an increase in dose.

• The response decreases with an increase in dose.

Toxic effects as a result of absorption and distribution of toxicant to a site distant from its entry point. This definition applies to _____.

• Local toxicity

• Systemic toxicity

• Targeted toxicity

• Ultimate toxicity