7 Lec Q - Heat and Light 2
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Questions and Answers

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)?

<p>Rest, cooling, fluid/electrolyte (B)</p> Signup and view all the answers

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

<p>Occupational exposure to heat, infrared radiation, ionizing radiation (C)</p> Signup and view all the answers

What are the indirect effects of heat exposure?

<p>Decreased efficiency, increased fatigue, enhanced accident rates (B)</p> Signup and view all the answers

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

<p>Factories, foundries, bakeries, engine rooms, laundries, kitchen (D)</p> Signup and view all the answers

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

<p>Isolation of hot equipment and shedding place (A)</p> Signup and view all the answers

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

<p>Protective clothes: light, loose white clothes and using face shield &amp; special goggles (A)</p> Signup and view all the answers

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

<p>Pre-placement examination: avoid obese or those with C.V &amp; kidney disease (D)</p> Signup and view all the answers

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

<p>Commercial fishing, military personnel, agriculture, divers (A)</p> Signup and view all the answers

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

<p>Transient inflammatory reaction, trench foot, frostbite (D)</p> 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?

<p>Reduce sun load from the roof by water spray or reflecting material (D)</p> Signup and view all the answers

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

<p>Wearing appropriate protective clothing (A)</p> Signup and view all the answers

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

<p>All of the following (A)</p> Signup and view all the answers

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

<p>Help in accident prevention (D)</p> Signup and view all the answers

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

<p>Efficient, continuous, free from glare, uniformly distributed, light contain more blue &amp; violet (A)</p> Signup and view all the answers

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

<p>Discomfort, annoyance, visual fatigue (D)</p> Signup and view all the answers

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

<p>Eye strain, headache, eye pain (C)</p> Signup and view all the answers

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

<p>Miner's nystagmus (D)</p> Signup and view all the answers

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

<p>Contain more blue &amp; violet (C)</p> Signup and view all the answers

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

<p>It has physiological effects on human beings (B)</p> Signup and view all the answers

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

<p>Acute transient inflammatory reaction (A)</p> Signup and view all the answers

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

<p>Trench foot (immersion foot) (A)</p> 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?

<p>Frost bite (A)</p> Signup and view all the answers

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

<p>Necrotic ulcerative (A)</p> Signup and view all the answers

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

<p>Confusion and loss of consciousness (D)</p> Signup and view all the answers

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

<p>Redness, edema, paresthesia, itching (A)</p> Signup and view all the answers

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

<p>Both decrease (B)</p> Signup and view all the answers

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