Toxic Hazards Flashcards

1
Q

What is carbon monoxide?

A

Carbon monoxide is a product of combustion of organic matter under conditions of restricted oxygen supply, which prevent complete oxidation of carbon dioxide (C02)

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2
Q

Carbon monoxide characteristics?

A

Carbon monoxide is colourless, odorless, tasteless, and non-irritating making it difficult to detect. It is poisonous

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3
Q

Haemoglobin has a ‘____’ higher affinity for carbon monoxide than oxygen

A

Haemoglobin has a 200x higher affinity for carbon monoxide than oxygen.

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4
Q

Are the effects of carbon monoxide accumulative?

A

Yes

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5
Q

Carbon monoxide chemical symbol?

A

CO

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6
Q

What are some sources of CO?

A

Cigarette smoke

Exhaust gases

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7
Q

Does our susceptibility to CO poisoning increases with altitude because of the lower levels of pp02 available in air.

A

True

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8
Q

A person smoking 20 cigarettes a day will have a carboxyhaemoglobin concentration in the blood of about ‘__’%. This gives an effect of a non-smoker at a cabin altitude of ‘___‘ft to ‘___‘ft

A

A person smoking 20 cigarettes a day will have a carboxyhaemoglobin concentration in the blood of about 7%. This gives an effect of a non-smoker at a cabin altitude of 4000ft to 5000ft

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9
Q

Do piston engines produce more CO than turbines because of the incomplete burning of fuel in the cylinders

A

True

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10
Q

Symptoms of CO poisoning.

A
  • Feeling too warm
  • Cherry red complexion
  • Dimming or blurred of vision
  • Severe headaches
  • Feeling of sluggishness
  • Tightness across the forehead
  • Pressure in temples
  • Slower breathing rate, or breathlessness
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11
Q

Pilots actions if CO contamination are?

A
  • Shut off heating
  • Open fresh air vents
  • Land if symptoms do not diminish
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12
Q

Other toxic hazards?

A

Any fluid related to aviation is toxic.

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