Ch4 quiz questions

Question 1

The primary sources of hydrogen sulfide include:

Answer 1

decaying organic matter

Question 2

True or False. PCBs are currently used in the manufacture of transformers

Answer 2

False, used to be but banned now

Question 3

In 1974, NIOSH implicated which of the following chemicals (solvents) in the deaths of workers from angiosarcoma of the liver?
benzene, vinyl chloride, formaldehyde, toluene, tetrachloride

Answer 3

Vinyl Chloride

Question 4

Benzene, Xylene, Toluene, and Ethyl Benzene are all examples of:

Answer 4

solvents

Question 5

As portrayed in the text, phosphine gas poisoning occurred in which of the following settings?

Answer 5

veterinary clinic

Question 6

Exposure to lead is least likely to occur in which of the following activities?
batteries, mining, plumbing, chrome plating

Answer 6

chrome plating (associated with chromium exposure, not lead)

Question 7

True or False. A Pneumonoconoitic agent is usually a mineral dust of occupational or environmental origin that causes fibrosis of the lungs.

Answer 7

true

Question 8

A substances that can cause death from suffocation is a(n):

Answer 8

asphyxiant

Question 9

a pesticide refers to

an herbicide, insecticide, or fungicide

Answer 9

all 3

Question 10

list the categories 4 most common of pesticides

Answer 10

organophosphates, carbamates pesticides, organochlorines, pyrethroids

Question 11

what is a PAH

Answer 11

polycyclic armoic hydrocarbon, contained in some petroluem-based products like soots, tars, or mineral oils

Question 12

Which of the following is not classified as a heavy metal?

lead, furan, mercury, berylium, chromium, cadmium

Answer 12

furan (is a POP- persistent organic pollutant)