7 Lec Q - Heat and Light 2

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What are the direct effects of heat exposure?

Painful cramps, excessive loss of salt, fainting attack, exhaustion stroke

Fatigue, accident rates, occupational cataract, decreased efficiency

Burns, syncope attack, heat exhaustion, heat stroke, heat cramps, occupational cataract (correct)

Pooling of blood in extremities, excessive water and salt depletion, confusion, drowsiness

Which occupation is NOT mentioned as having outdoor occupational exposure to high temperature?

Commercial fishing

Mining (correct)

Agriculture

Military

What are the symptoms of heat illness (Exhaustion)?

Painful cramps, fainting attack

Confusion disorientation Drowsiness - Body Temp >40 °C

Profuse sweating, headache, weakness, pallor, NV, dyspnea, and palpitations (correct)

Pooling of blood in extremities and skin

What is the treatment for heat illness (Cramps)?

Rest, cooling, fluid/electrolyte Signup and view all the answers

What is the history of occupational exposure required for occupational cataract?

Occupational exposure to heat, infrared radiation, ionizing radiation Signup and view all the answers

What are the indirect effects of heat exposure?

Decreased efficiency, increased fatigue, enhanced accident rates Signup and view all the answers

What are the occupations with indoors occupational exposure to high temperature?

Factories, foundries, bakeries, engine rooms, laundries, kitchen Signup and view all the answers

What is recommended as a preventive measure for exposure to high air temperature?

Isolation of hot equipment and shedding place Signup and view all the answers

What is a recommended measure for workers to prevent the effects of low temperature?

Protective clothes: light, loose white clothes and using face shield & special goggles Signup and view all the answers

What is a recommended medical care measure for preventing the effects of low temperature?

Pre-placement examination: avoid obese or those with C.V & kidney disease Signup and view all the answers

Who are at risk of exposure to low temperature outdoors according to the text?

Commercial fishing, military personnel, agriculture, divers Signup and view all the answers

What are the health effects associated with ‘’General’’ according to the text?

Transient inflammatory reaction, trench foot, frostbite Signup and view all the answers

What is a recommended environmental and engineering measure for preventing exposure to high air temperature according to the text?

Reduce sun load from the roof by water spray or reflecting material Signup and view all the answers

What is a recommended measure for preventing the effects of low temperature indoors according to the text?

Wearing appropriate protective clothing Signup and view all the answers

What are the recommended measures for workers to prevent the effects of low temperature?

All of the following Signup and view all the answers

What is the value of lighting in industry according to the text?

Help in accident prevention Signup and view all the answers

What are the characteristics of good light according to the text?

Efficient, continuous, free from glare, uniformly distributed, light contain more blue & violet Signup and view all the answers

What are the health effects associated with excessive brightness or 'glare'?

Discomfort, annoyance, visual fatigue Signup and view all the answers

What are the acute effects of poor illumination on health according to the text?

Eye strain, headache, eye pain Signup and view all the answers

What are the chronic effects on health due to poor illumination according to the text?

Miner's nystagmus Signup and view all the answers

What type of light is mentioned as the best according to the text?

Contain more blue & violet Signup and view all the answers

What is the physiological effect of lighting on human beings according to the text?

It has physiological effects on human beings Signup and view all the answers

What is the initial reaction to excessive local chilling known as?

Acute transient inflammatory reaction Signup and view all the answers

What is the condition that occurs due to submersion in cold water for a long time?

Trench foot (immersion foot) Signup and view all the answers

What is the state characterized by angiospasm and agglutination of blood in the vessels due to exposure to low temperature?

Frost bite Signup and view all the answers

What is the stage of frost bite characterized by chronic ulcers due to decreased blood supply?

Necrotic ulcerative Signup and view all the answers

What is the consequence of core temperature decreasing below 28º C?

Confusion and loss of consciousness Signup and view all the answers

What are the symptoms of excessive local chilling known as trench foot (immersion foot)?

Redness, edema, paresthesia, itching Signup and view all the answers

What is the effect of excessive general body chilling on glomerular filtration and urinary volume?

Both decrease Signup and view all the answers