Chemical Factors - Komura

Question 1

What are the six allergens?

Answer 1

Pollen
Fungi
Insects
House dust
Foods
Chemical sensitizers

Question 2

What are the three types of metals we are concerned about?

Answer 2

Alkali metals
Alkali earth metals
Transitional metals

Question 3

What are the three alkali metals?

Answer 3

Lithium (Li)
Sodium (Na)
Potassium (K)

Question 4

Lithium
1. Where is it found?
2. What are the health effects?

Answer 4

1. removed trace gasses from vacuum tubes, desulfurizer, catalyst, hardeners
2. skin and respiratory irritants

Question 5

Sodium
1. Where is it found?
2. What are the health effects?

Answer 5

1. vapor lights, tetraethyl lead alloys
2. hydroxides are caustic (NaOH) , nitrates are preservatives (NaNO3), explosives and fireworks (Na2C2O4), peroxides are irritants and corrosive (Na2O2)

Question 6

Potassium
1. Where is it found?
2. What are the health effects?

Answer 6

1. Vapor lights, tetraethyl lead alloys
2. Hydroxides are caustive, nitrates are preservatives, explosives

Question 7

What are the four alkali earth metals?

Answer 7

1. Beryllium (Be)
2. Magnesium (Mg)
3. Strontium (Sr)
4. Barium (Ba)

Question 8

Beryllium
1. Where is it found?
2. What are the health effects?

Answer 8

1. fume or dust phosphor lites, non-spark alloy
2. pneumonitis, cyanosis, chronic breathing, cardiac failure

Question 9

Magnesium
1. Where is it found?
2. What are the health effects?

Answer 9

1. silicates, light metals alloys
2. leukocytes, fume fever

Question 10

Strontium
1. Where is it found?
2. What are the health effects?

Answer 10

1. flares, luminous paint
2. fires, bone-seeker d

Question 11

What is bone seeker?

Answer 11

An element, often a radioisotope, that tends to accumulate in bones of animals and humans

Question 12

Barium
1. Where is it found?
2. What are the health effects?

Answer 12

1. oil and gas drilling
2. baritosis pneumonitis

Question 13

What are the four transitional metals?

Answer 13

1. Iron salts
2. Chromic acid
3. Manganese
4. Cobalt

Question 14

Iron salts
1. Where is it found?
2. What are the health effects?

Answer 14

1. mining and welding
2. “siderosis,” pneumonia and emphysema, fume fever, respiratory irritant

Question 15

Chromic acid
1. Where is it found?
2. What are the health effects?

Answer 15

1. nichrome heating elements, plating
2. spastic and physiological symptoms, pneumonitis

Question 16

Cobalt
Where is it found?

Answer 16

tungsten carbide industry

Question 17

What are the four straight chain hydrocarbons we are concerned about?

Answer 17

Aliphatics
Halogenated aliphatics
Alkenes
Alcohols

Question 18

What does it mean for a molecule to be halogenated?

Answer 18

At least one hydrogen molecule is replaced by a halogen (Cl, F, Br - Group VII A of the periodic table)

Question 19

Aliphatics
1. Where are they found?
2. Health effects?

Answer 19

1. fuels, solvents, degreasers
2. simple asphyxiant, narcotic irritant

Question 20

Halogenated aliphatics
Where are they found?

Answer 20

Same as analogs, but non-inflammatory

Question 21

Alkenes
1. Where is it found?
2. What are the health effects?

Answer 21

1. products of cracking, synthetic chemistry; polymerization
2. simple asphyxiant, anesthetic

Question 22

Alcohols
1. Where is it found?
2. What are the health effects?

Answer 22

1. methanol, solvents, glycols
2. skin and mucous irritant, CNS depressant, kidney and liver toxin

Question 23

What are the seven Alicyclic hydrocarbons?

Answer 23

Mixed hydrocarbons
Aromatics
Halogenated aromatics
NOi-NH:i - Aromatics (Aniline dyes)
Phenolics
Isocyanates
Organophosphates

Question 24

Mixed hydrocarbons
1. Where is it found?
2. What are the health effects?

Answer 24

1. fuels, gasoline
2. benzene (carcinogenic), narcotic, pneumonitis

Question 25

Aromatics 1. Where is it found? 2. What are the health effects?

Answer 25

1. cooking, solvents, chemical synthesis 2. respiratory and skin irritation, CNS depression, benzene carcinogen

Question 26

Halogenated aromatics 1. Where is it found? 2. What are the health effects?

Answer 26

1. pesticides and solvents, transformers (PCBs) 2. hepatoxic, skin and eye irritant

Question 27

NOi-NH:i Aromatics 1. Where is it found? 2. What are the health effects?

Answer 27

1. dyes, explosives 2. hepatoxic, sensitizers, bladder carcinogen

Question 28

Phenolics 1. Where is it found? 2. What are the health effects?

Answer 28

1. explosives, plastics, fertilizers 2. strong irritation, cyanotic, kidney and liver

Question 29

Isocyanates (in particular?) 1. Where is it found? 2. What are the health effects?

Answer 29

(Toluene diisocyanate) 1. polyurethane plastics, foams, rubbers 2. irritant, respiratory irritant sensitizer, lung function

Question 30

Organophosphates 1. Where is it found? 2. What are the health effects?

Answer 30

1. malathion, parathion, fenthion, diazinon (all insecticides/pesticides) 2. interferes with acetylcholinesterase enzyme - abdominal pain, headache, blurred vision, tremors, dizziness, weakness, contracted pupils