L7

Question 1

Chemical Agent: Inorganic dust
Effects:
Industry/Process:

Answer 1

Chemical Agent: Inorganic dust
Effects: Silicosis Asbestosis
Industry/Process: Mining

Question 2

Chemical Agent: Chromium
Effects:
Industry/Process:

Answer 2

Chemical Agent: Chromium
Effects:Cancer
Industry/Process:Metal plating

Question 3

Chemical Agent: Lead
Effects:
Industry/Process:

Answer 3

Chemical Agent: Lead
Effects: Anemia
Industry/Process: Lead smelting

Question 4

Chemical Agent: Tar
Effects:
Industry/Process:

Answer 4

Chemical Agent: Tar
Effects: Skin Cancer
Industry/Process: Petroleum refinery

Question 5

Chemical Agent: Vinyl chloride
Effects:
Industry/Process:

Answer 5

Chemical Agent: Vinyl chloride
Effects: Liver cancer
Industry/Process: Plastics & vinyl chloride mfg

Question 6

Chemical Agent: Mercury, cadmium
Effects:
Industry/Process:

Answer 6

Chemical Agent: Mercury, cadmium
Effects: Acute/Chronic renal failure
Industry/Process: Battery, chemical industries, pesticide

Question 7

Chemical Agent: Carbon disulfide
Effects:
Industry/Process:

Answer 7

Chemical Agent: Carbon disulfide
Effects: Atherosclerosis
Industry/Process: Dry cleaning

Question 8

Physical hazards:

Answer 8

 Noise
 Radiation
 Vibration
 Extreme temperature
 Illumination

Question 9

is transmission of mechanical energy from oscillating source

Answer 9

Vibration

Question 10

Health effect of vibration includes:

Answer 10

Hand Arm Vibration Syndrome (HAVS)
Tingling, numbness, blanching of fingers
Headache
Disorders of the spine

Question 11

Source of temperature in workplace are:

Answer 11

 Natural source
 Industrial source: Boilers, smelting, furnace

Question 12

Health effect of extreme temperature:

Answer 12

 Heat exhaustion:- Dizziness, fainting attack, blurring of vision

 Heat stroke:- muscle twitching, disorientation

 Frostbite:- due to extreme cold temperature. It includes freezing of exposed extremities, such as fingers, toes, nose, and ear lobes

Question 13

due to extreme cold temperature. It includes
freezing of exposed extremities, such as fingers, toes, nose, and ear lobes

Answer 13

Frostbite

Question 14

The health effect of inadequate illumination include:

Answer 14

visual fatigue,
double vision,
headache

Question 15

Biological Hazards

Answer 15

 Anthrax:- Animal handlers and handlers of skins, or hair of infected animals
 Ringworm:- Pet shop salesmen, stockmen, breeders of cats and dogs, and other animal handlers
 Tetanus:- Farmers (spores in soil) or anyone in contact with manure

Question 16

Animal handlers and handlers of skins, or hair of infected animals

Answer 16

Anthrax

Question 17

Pet shop salesmen, stockmen, breeders of cats and dogs, and other animal handlers

Answer 17

Ringworm

Question 18

Farmers (spores in soil) or anyone in contact with manure

Answer 18

Tetanus

Question 19

means adapting the jobs to the workers which aims to reduce work-related musculoskeletal disorders (MSDs) developed by workers

Answer 19

Ergonomic Hazards

Question 20

Ergonomic hazards include:

Answer 20

 Static posture
 Forceful exertion
 Repetitive movement
 Extreme range of motion
 Awkward posture