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Understanding Toxicity Quiz

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Questions and Answers

What is the toxicity level of Super toxic?

4 (correct)

10,000

15,000

Which of the following is the toxicity level of Moderately toxic?

4000 (correct)

7000

6000

8,000

Which of the following is the toxicity level of Slightly toxic?

2,500

7,500 (correct)

18,000

4,000

What is the relationship between exposure and health effect in dose response?

It can be established by measuring the response relative to an increasing dose Signup and view all the answers

What does the term 'threshold dose' refer to?

The dose or exposure level below which harmful effects of a substance are not seen Signup and view all the answers

What is another term for 'threshold dose' used by toxicologists?

No observed adverse effect level (NOAEL) Signup and view all the answers

What principle is behind the statement 'the dose makes the poison'?

The larger or more intense the dose, the greater the response or effect Signup and view all the answers

What is the study of adverse effects on the developing organism that occur any time during the life span of an organism?

Developmental toxicology Signup and view all the answers

When does teratology study defects induced during development?

Between conception and birth Signup and view all the answers

What does reproductive toxicology study?

Adverse effects on the male or female reproductive system Signup and view all the answers

What are some factors that can influence the effects of exposure to toxic substances?

Size of the molecule, specific tissue type, solubility in water or fatty tissues Signup and view all the answers

Why is it important to consider the specific tissue type or cellular components affected when studying the effects of toxic substances?

Because different tissues may have varying susceptibility to toxic effects Signup and view all the answers

Why is it important to determine whether effects seen in animals can be expected in humans when studying toxic substances?

Due to potential differences in metabolism and response between species Signup and view all the answers