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chembio lab > symbols and labels > Flashcards

symbols and labels Flashcards

1
Q

red

A

flammability

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2
Q

blue

A

health

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3
Q

yellow

A

reactivity

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4
Q

white

A

special/specific hazard

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5
Q

OXY

A

oxidizer

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6
Q

ACID

A

acid

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7
Q

ALK

A

alkali

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8
Q

COR

A

corrosive

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9
Q

W

A

use no water

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10
Q

RAD

A

radiation hazard

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11
Q

NFPA

A

national fire protection association

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12
Q

deadly, extreme danger, hazardous

A

health (bue)

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13
Q

detonate, violent chem reaction, unstable

A

reactivity (yellow)

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14
Q

very flammable, combustible, not burn

A

flammability (red)

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15
Q

produce poisoning by absorption through the mucous membrane of the mouth, throat and lungs  can seriously damage these tissues by local action  may pass rapidly into the capillaries of the lungs and be carried into the circulatory system

A

inhalation

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16
Q

sudden sneezing or coughing  watering of eyes  staggering gait  changes in breathing rate

A

signs of inhalation exposure

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17
Q

headache  irritation of eyes, nose, and throat  increased secretion of mucous in your nose and throat

A

symptoms of inhalation exposure

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18
Q

Many of the chemicals used in the laboratory are extremely dangerous if they enter the mouth and are swallowed.

A

ingestion

19
Q

defined as the quantity of material that, when ingested or applied to the skin in a single dose, will cause the death of 50% of the test animals. It is expressed in grams or milligrams per kilogram of body weight.

A

lethal dose (LD50)

20
Q

redness

A

erythema

21
Q

swelling

A

edema

22
Q

redness (erythema)
 swelling (edema)
 dry whitened skin
 irritation and itching

A

signs of skin contact

23
Q

are organs that are sensitive to irritants

A

eyes

24
Q

are particularly corrosive and can cause permanent loss of vision

A

alkaline materials, phenols, strong acids

25
Q

are very vascular and provide for rapid absorption of many chemicals

A

eyes

26
Q

should be avoided by use of appropriate protective equipment.

A

skin and eye contact w/ chemicals

27
Q

In the event of skin contact, the affected areas should be _____ and medical attention should be sought if symptoms persist.

A

flushed with water

28
Q

In the event of eye contact, the eye(s) should be ______ and medical attention should be sought if symptoms persist.

A

flushed with water for 15 min

29
Q

It can inadvertently occur through mechanical injury from glass or metal contaminated with chemicals or when chemicals are handled in syringes

A

injection

30
Q

is due to its ability to damage or interfere with the metabolism of living tissue.

A

toxicity of a material

31
Q

can cause damage as the result of a single or short-duration exposure

A

acutely toxic substance

32
Q

causes damage after repeated or long-duration exposure or that becomes evident only after a long latency period

A

chronically toxic substance

33
Q

are substances that act during pregnancy to cause adverse effects on the fetus

A

embryotoxins

34
Q

are chemicals that causes malformation of the developing fetus

A

teratogens

35
Q

Chemicals that can affect both adult male and female reproductive systems

A

reproductive toxins

36
Q

A wide variety of substances can produce skin and lung hypersensitivity

A

allergens

37
Q

erode the skin and the respiratory epithelium and are particularly damaging to the eyes

A

corrosive chemicals

38
Q

major classes of corrosive chemicals

A

strong acids/bases, dehydrating agents, oxidizing agents

39
Q

The degree of hazard associated with a corrosive material is greatly dependent upon its _______

A

physical state (solid, liquid, gas)

40
Q

All concentrated _____ can damage the skin and eyes.

A

strong acids and bases

41
Q

are especially damaging because of the types of burns they inflict.

A

nitric, chromic, hydrofluoric acids

42
Q

which produces slow-healing, painful burns should be used only after thorough familiarization with recommended handling procedures.

A

hydrofluoric acid

43
Q

Much heat is evolved on mixing these substances with water, mixing should always be done by adding the agent to water to avoid violent reaction and spattering.

A

dehydrating agent

44
Q

present fire and explosion hazards on contact with organic compounds and other oxidizable substances

A

oxidizing agents

chembio lab (6 decks)

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