Hazards Of Temperature Extremes

Question 1

includes a
series of conditions
where the body is under
stress from overheating.

Answer 1

Heat stress

Question 2

occurs when the body cannot get rid of
excess heat. When this
happens, the body’s core
temperature rises and the
heart rate increases.

Answer 2

Heat stess

Question 3

This is a physical state
in which the worker’s skin becomes
clammy and moist and his or her body
temperature is still normal or slightly
higher than normal

Answer 3

Heat Exhaustion

Question 4

results from loss through sweating off fluid
and salt that are not properly replaced
during exertion.

Answer 4

Heat exhaustion

Question 5

physical state in
which the worker’s skin becomes hot and
dry, there is mental confusion, and there
may be seizures or convulsion

Answer 5

Heat stroke

Question 6

muscle cramps that can occur
when workers exert themselves
sufficiently to lose fluids and salt
through sweating, but replace
only the fluids by drinking large
amounts of water containing no
salt.

Answer 6

Heat cramps

Question 7

Workers who exert themselves in
a hot environment will
sometimes faint. This is
especially the case with workers
who are not accustomed to
working in such an environment.

Answer 7

Heat syncope or fainting

Question 8

Workers who
exert themselves in a hot
environment in which
sweat does not evaporate
can develop a prickly rash

Answer 8

Heat rash

Question 9

the
overall physiological
response resulting
from heat stress.

Answer 9

Heat strain

Question 10

gradual physiological
adaptation that improves
an individual’s ability to
tolerate heat stress.

Answer 10

Acclimatization

Question 11

Impedes free movement of cool dry air over the skin’s surface.

Answer 11

Clothing

Question 12

Heat Stress Management - Specific controls

Answer 12

Engineering Controls
Administrative Control
Personal protective equipment

Question 13

Excessive exposure to cold can lead to

Answer 13

Hypothermia

Question 14

Excessive exposure to cold stress, even
when not fatal, can result in

Answer 14

Impaired judgement
Reduced alertness
Poor decision making

Question 15

can cause reduced
muscular function, decreased tactile
sensitivity, reduced blood flow, and
thickening of the synovial fluid.

Answer 15

Acute cold stress

Question 16

can lead to reduced
functioning of the peripheral nervous
system.

Answer 16

Chronic cold stress

Question 17

When working in a cold setting, use _______________ applied directly to the hands and feet.

Answer 17

Auxiliary heat

Question 18

When working in a cold setting, use ___________ to prevent cold stress to the face and
lungs.

Answer 18

Facial protection

Question 19

When work outdoors in snow is required, employees should be
provided _____________ that protect the eyes from ultraviolet
light, glare, and blowing ice crystals.

Answer 19

Special safety goggles

Question 20

One of the most common
hazards associated with heat in
the workplace

Answer 20

Burns

Question 21

can be especially
dangerous because they
disrupt the normal functioning
of the skin, which is the body’s
largest organ and the most
important in terms of
protecting other organs.

Answer 21

Burns

Question 22

Most important factor affecting the severity of burns

Answer 22

depth to which
the burn penetrates

Question 23

The most widely used method of classifying burns
is by

Answer 23

Degree

Question 24

minor and result only in a mild
inflammation of the skin, known as erythema

Answer 24

First degree burn

Question 25

easily recognizable from the blisters
that form on the skin

Answer 25

Second degree burn

Question 26

A deeper second-degree burn will form a thin layer of coagulated,
dead cells that feels ________ to touch

Answer 26

Leathery

Question 27

are very dangerous and can be
fatal depending on the amount of body surface
affected

Answer 27

Third degree burn

Question 28

penetrates through both the epidermis
and the dermis.

Answer 28

Third degree burn

Question 29

include steam and hot liquids; these cause burns
that appear white

Answer 29

Moist hazard

Question 30

include fire and hot objects or surfaces; these cause
burns that appear black and charred

Answer 30

Dry hazard

Question 31

In addition to the depth of penetration of a
burn, the amount of surface area covered
is also a critical concern. This amount is
expressed as a percentage

Answer 31

Body surface area

Question 32

Many of the chemicals produced, handled,
stored, transported or otherwise used in
industry can cause burns similar to those
caused by heat

Answer 32

Chemical burns

Question 33

The risk of _______ is high with chemical burns as is
it with heat-induced burns because the body’s
primary defense against infection-causing
microorganisms (the skin) is penetrated.

Answer 33

Infection

Question 34

Infection in a burn
wound can cause ________ (blood poisoning

Answer 34

Septicemia

Question 35

Body _______ in second- and third-degree burns can be serious

Answer 35

Fluid loss

Question 36

depression of the nervous system. It can be caused by both physical
and psychological trauma.

Answer 36

Shock

Question 37

Primary hazardous effect of chemical burns

Answer 37

Infection
Fluid loss
Shock

Question 38

Another consideration when an employee comes in with contact of a caustic chemical

Answer 38

Clothing