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Toxicity of Mercury

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What is the primary route of exposure for elemental mercury toxicity?

a)

Inhalation

b)

Injection

c)

Ingestion

d)

Dermal contact

2.

Which form of mercury is commonly found in thermometers and barometers?

a)

powdered mercury

b)

liquid mercury

c)

gaseous mercury

d)

solid mercury

3.

What is the main target organ for inorganic mercury toxicity?

a)

Kidneys

b)

Lungs

c)

Liver

d)

Brain

4.

Which type of mercury is most commonly associated with seafood contamination?

a)

Organomercury

b)

Inorganic mercury

c)

Methylmercury

d)

Ethylmercury

5.

What is the major source of organic mercury exposure in humans?

a)

Consumption of contaminated fish and seafood

b)

Direct skin contact with contaminated soil

c)

Inhalation of polluted air

d)

Consumption of organic fruits and vegetables

6.

What is the neurological syndrome associated with elemental mercury toxicity?

a)

Minamata disease

b)

Kumamoto disease

c)

Hakodate disease

d)

Asahi Shinbun disease

7.

Which form of mercury is known to cause brain damage?

a)

Organic mercury

b)

Ethylmercury

c)

Inorganic mercury

d)

Methylmercury

8.

What is the most toxic form of mercury to humans?

a)

Ethylmercury

b)

Dimethylmercury

c)

Acetylmercury

d)

Methylmercury

9.

Which type of mercury is typically found in this picture?

a)

molecular mercury

b)

ionic mercury

c)

elemental mercury

d)

metallic mercury

10.

What is the primary route of exposure for organic mercury toxicity?

a)

Ingestion

b)

Injection

c)

Dermal contact

d)

Inhalation

11.

What is the main target organ for organic mercury toxicity?

a)

Digestive system

b)

Central nervous system

c)

Cardiovascular system

d)

Respiratory system

12.

Which form of mercury is used in some skin-lightening creams and soaps?

a)

mercury(II) sulfate

b)

mercury(II) oxide

c)

mercury(II) nitrate

d)

mercury(II) chloride or ammoniated mercury