Deck 6: Toxic Metals and Elements

Question 1

Minimata disease was associated with ingestion of seafood tainted with which of the following?

A) Lead
B) Cadmium
C) Mercury
D) Arsenic
E) None of these is correct.

Answer 1

C

Question 2

Itai-itai disease was a form of poisoning associated with ingestion of which of the following?

A) Lead
B) Cadmium
C) Mercury
D) Arsenic
E) None of these is correct.

Answer 2

B

Question 3

Diffuse and spotted melanosis are associated with ingestion of which of the following?

A) Lead
B) Cadmium
C) Mercury
D) Arsenic
E) None of these is correct.

Answer 3

D

Question 4

Which of the following metals is not classified as a major toxic metal with multiple effects?

A) Arsenic
B) Beryllium
C) Chromium
D) Mercury
E) Silver

Question 5

Substances on the National Priorities List (United States) have which of the following characteristics?

A) They have known or suspected toxicity.
B) They have potential for human exposure.
C) They appear frequently in uncontrolled or abandoned waste sites.
D) They are scheduled for possible remediation under Superfund.
E) All of these are correct.

Question 6

Possible methods for exposure to metals include which of the following?

A) Inhalation of dusts
B) Inhalation of metal fumes
C) Skin contact with dusts
D) Ingestion
E) All of these are correct.

Question 7

Which of the following statements about heavy metals is true?

A) Their specific gravity exceeds that of water by five or more times.
B) None of them is necessary to sustain life.
C) All of them are toxic even at trace levels.
D) All of these are correct.
E) None of these is correct.

Question 8

Bioaccumulation (biomagnification) of heavy metals is a particular hazard associated with which of the following?

A) Iron
B) Mercury
C) Copper
D) Manganese
E) None of these is correct.

Question 9

The symptoms of long-term exposure to lower levels of toxic metals include which of the following?

A) Convulsions
B) Vomiting and stomach pain
C) Sudden onset of headaches
D) Chronic illness effects
E) All of these are correct.

Question 10

For fetuses, infants, and children, the hazards of heavy metals include:

A) impairment of physical and mental development.
B) damage to internal organs.
C) brain damage.
D) some forms of cancer.
E) All of these are correct.

Question 11

Which toxic heavy metal is associated with melanosis, a dermatologic condition that can cause the darkening of the skin of the entire body?

A) Arsenic
B) Mercury
C) Cadmium
D) Beryllium

Question 12

Itai-itai disease, which began occurring in the Jinzu River basin in Japan as early as 1912, is one of the conditions attributed to which toxic metal?

A) Arsenic
B) Mercury
C) Cadmium
D) Beryllium

Question 13

What metal is believed to play a role in reducing the occurrence of common infections and is theorized to be necessary for children's growth and for maintaining the health of pregnant women?

A) Zinc
B) Nickel
C) Copper
D) Iron

Question 14

Contact with high concentrations of toxic metals is most likely to occur in an occupational setting.

Question 15

The film Erin Brockovich called attention to the potential hazards associated with groundwater pollution from arsenic.

Question 16

Less developed countries increasingly are being selected as the dumping grounds for electronic waste, which is scavenged by unwitting individuals who are not aware of the hazardous nature of this waste.

Question 17

The process of __________ causes mercury levels to increase as the metal moves up the food chain and becomes more concentrated in aquatic invertebrates.

Question 18

The neurologic condition, which became known as __________, was characterized by numbness of the extremities, deafness, poor vision, and drowsiness, was attributed to discharges of mercury compounds into a bay by a plastics factory.

Question 19

__________ is an ingredient in various medicines and cosmetics and, as a result of its widespread use, human exposure is almost universal.

Question 20

Discuss the toxic nature of chromium(VI).