AvSM Lesson 7

Question 1

can be annoying

can interfere with verbal communication and mask warnings

can damage workers’ hearing

can have both short term and long term negative effects

Answer 1

Noise

Question 2

Eardrum Pain Threshold

Answer 2

130dB

Question 3

Eardrum Shattering Threshold

Answer 3

150dB

Question 4

is both odorless and colorless

severely affects the function of
sensitive tissues like the brain

Answer 4

GASOLINE ENGINE EXHAUST
(CARBON MONOXIDE)

Question 5

Moderate CO poisoning results in:

Answer 5

Headache

Rapid breathing

Nausea, weakness, confusion

discoloration of the lips and nail beds.

Question 6

High CO poisoning results in:

Answer 6

Collapse

Loss of consciousness

Death

Question 7

exposure in excess of ________ without ear protection even for a short duration is
not recommended.

Answer 7

115 dB

Question 8

Painting can cause a condition known as
____________

Answer 8

Occupational Asthma (OA).

Question 9

The culprit of Occupational Asthma is a chemical called _________
which is found in some
paints

Answer 9

diisocyanates

Question 10

symptoms do not occur and blood tests do
not record any change. In other words,
there is no evidence of any symptoms or
disease.

Answer 10

Occupational Asthma (OA)

Question 11

____________ based hydraulic
fluids used in ground equipment and aircraft are available under the trade names Skydrol and Hyjet

Answer 11

Phosphate ester

Question 12

are liquids or gases that can
dissolve or extract other
substances.

Answer 12

SOLVENTS

Question 13

They are used to dissolve
grease, oil, and paint; to thin or
mix pigments, paint, glue, and
epoxy resins; to clean
electronics, airplane parts, tools,
and engines; and to make other
chemicals

Answer 13

SOLVENTS

Question 14

They cause a narcotic effect on the nervous system and
damage internal organs such as the liver and kidneys

Answer 14

SOLVENTS

Question 15

can dissolve the skin’s protective barrier of oils, drying
and chapping the skin and causing a kind of dermatitis.

Answer 15

SOLVENTS

Question 16

refers to the lighting both within the general
working environment and also in the locality of the
AMT and the task he is carrying out

Answer 16

ILLUMINATION

Question 17

HEAT STRESS AND MAJOR DISORDERS

Answer 17

heat stroke

heat exhaustion

Thirst, nausea, weakness, and confusion

Question 18

are painful muscle spasms that occur after performing strenuous activities and create
severe spasms

Answer 18

heat cramps

Question 19

due to dehydration and loss of nutrients from excessive sweating.

Answer 19

heat cramps

Question 20

is caused due to excessive dilation of the blood vessels in order to cool the body in a hot environment causing reduced blood flow to the
brain.

Answer 20

Heat syncope

Question 21

if the individual has not had proper fluid intake before going out in the sun or has not adjusted to
the hot climatic condition.

Answer 21

Heat syncope

Question 22

commonly called prickly heat, is a common skin problem in hot environments.

Answer 22

Heat rash

Question 23

when the skin’s sweat glands are blocked and the sweat produced
cannot get to the surface of the skin to evaporate

Answer 23

Heat rash

Question 24

hard work or any activity that causes you to sweat heavily causes?

Answer 24

Heat rash

Question 25

uncontrolled muscle contraction

Answer 25

shivering.

Question 26

the blood flow to some
of your body’s tissues becomes restricted.

Answer 26

vasoconstriction

Question 27

requires
that environmental conditions be adequate
for work to be carried out

Answer 27

EASA Part-145 Acceptable Means of
Compliance (AMC) 145.25(c)