Industrial Hygiene Pretest Vocabulary

Front 1

White portion of the eye

Back 1

Sclera

Front 2

the science devoted to the anticipation, recognition, evaluation and control of environmental factors or stresses arising in or from the workplace

Back 2

Industrial Hygiene

Front 3

Exposure guidelines set by the ACGIH for airborne concentrations of substances

Back 3

TLV - Threshold Limit Value

Front 4

OSHA trademark; exposure guidelines for airborne concentrations of substances

Back 4

PEL - Permissible Exposure Limit

Front 5

has the ultimate authority over most of the civilian uses of radioactive materials in the US

Back 5

NRC - Nuclear Regulatory Commission of the Department of Energy

Front 6

anything that is a solid at room temperature and pressure but because of some mechanical action becomes airborne

Back 6

Dusts

Front 7

a solid at room temperature and pressure but because of heat becomes airborne

Back 7

Fumes

Front 8

anything that is normally in a gaseous state at room temperature and pressure

Back 8

Gas

Front 9

normally a liquid at room temperature and pressure but because of heat becomes airborne

Back 9

Vapor

Front 10

a liquid at room temperature and pressure but becomes airborne due to some mechanical action

Back 10

Mists

Front 11

cancer causing agent

Back 11

Carcinogen

Front 12

solid matter, can be a dust or fume

Back 12

Particulate

Front 13

the capacity of a material to produce harm when the chemical reaches a sufficient concentration at a certain site in the body

Back 13

Toxicity

Front 14

unwanted sound

Back 14

Noise

Front 15

a reduction in a persons level of hearing

Back 15

Threshold Shift

Front 16

results from allergic reaction to a substance

Back 16

Sensitization

Front 17

scare tissue in the lung

Back 17

Fibrosis

Front 18

any inflammation of the lung

Back 18

Pneumonitis

Front 19

the branch of medicine concerned with the diagnosis, treatment and prevention of disease of the skin

Back 19

Dermatology

Front 20

a skin condition caused by PCB's

Back 20

Chlor-Acne

Front 21

the living or white part of the fingernail

Back 21

Lunular

Front 22

any abnormal condition of the skin

Back 22

Dermatitis

Front 23

substances the sensitize the skin to light

Back 23

Photosensitizers

Front 24

het rash caused by working in hot, humid conditions

Back 24

Miliaria

Front 25

found in the inner ear, it regulates balance for the body

Back 25

Vestibular System

Front 26

the snail shaped part of the inner ear

Back 26

Cochlea

Front 27

not caused by noise exposure, but by a disorder in the middle or external ear that prevents sound from reaching the inner ear

Back 27

Conductive Hearing Loss

Front 28

a unit of measure for sound

Back 28

Decibel

Front 29

divides the middle ear from the inner ear

Back 29

Oval Window

Front 30

tiny air sacks in the lungs, formed at the end of bronchioles; through the thin walls of the alveoli; the blood takes in oxygen and give up carbon dioxide in respiration

Back 30

Alveoli

Front 31

the study of poisonous materials and what they do to the human body when exposed

Back 31

Toxicology

Front 32

a substance that affects the part of the body it touches over a period of time

Back 32

Chronic local

Front 33

the loudness of sound

Back 33

Amplitude

Front 34

fatal amount of a substance administered by feeding or injection that will kill 50% of test animals

Back 34

LD50

Front 35

the frequency measured in cycles per second

Back 35

Hertz (Hz)

Front 36

a substance that affects a part of the body other than the one it touches

Back 36

Acute systemic

Front 37

an agent that affects the genetic material of an exposed organism

Back 37

Mutagen

Front 38

OSHA acronym for nuisance dusts. "Particulates not otherwise regulated"

Back 38

PNOR

Front 39

gases and vapors that replace oxygen in the air so that the concentration of oxygen falls below 18%

Back 39

Simple asphyxiate

Front 40

the correlation between the amount of exposure to an agent or toxic chemical and the resulting effect on the body

Back 40

Dose-Response Relationship

Front 41

Literally means "dusty lungs". A result of the continuous inhalation of various kinds of dust or other particulates; the tissue reaction resulting from the accumulation of such dust in the lungs

Back 41

Pneumoconiosis

Front 42

an agent that affects only the developing fetus

Back 42

Teratogen

Front 43

causes asphyxiation by preventing oxygen uptake at the cellular level

Back 43

Chemical Asphyxiant

Front 44

when an entire auto gram decreases due to noise but returns to normal after a period of rest

Back 44

Temporary Threshold Shift

Front 45

a condition of the lungs cased when iron is burnt and becomes airborne as iron oxide

Back 45

Siderosis

Front 46

loudness based on human ear response

Back 46

dBA

Front 47

the preferred unit for measuring sound

Back 47

Decibel

Front 48

a disease of the lung caused by the inhalation of silica dust

Back 48

Silicosis

Front 49

a system of names or terms, or the rules for forming these terms in a particular field of arts or sciences.

Back 49

Nomenclature

Front 50

a substance that causes visible destruction or permanent changes in the human skin tissue at the site of contact

Back 50

Corrosive