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Heat and Cold Stress Course 2026

This course is for security guards and other workers in Canada who work outdoors or in very hot or cold places. It covers how heat and cold affect the body, the warning signs of heat illness and cold injury, first steps to take and how to prevent harm. It is background knowledge only and does not replace a first aid course or your employer's heat and cold plans.

  • Kurso
  • Canada
  • 25 tanong
  • Sinuri noong Oktubre 13, 2026

Mabilis na sagot

Ang libreng kursong ito ay may mga 25 minuto ng aralin at pagsusulit na may 25 tanong. Kumuha ng 80% o higit pa para ma-download ang sertipiko ng pagkumpleto (pribado, hindi accredited). Sinuri laban sa mga opisyal na sanggunian noong Oktubre 13, 2026.

Magsimula sa mga aralinHeat and Cold Stress Course: Lessons: mga 25 minutong pagbasa. Saklaw ng mga aralin ang bawat tanong sa pagsusulit.

Ang matututunan mo

  • Explain heat stress, humidex and wind chill in plain terms
  • Recognize the signs of heat exhaustion and heat stroke
  • Take the right first steps for heat stroke and hypothermia
  • Prevent heat stress with water, acclimatization and planning
  • Recognize frostnip, frostbite and trench foot
  • Dress in layers and plan warm-up breaks for cold work

Kumuha ng 80% o higit pa para ma-download ang iyong sertipiko.

  1. Tanong 1 ng 25

    What is a normal core body temperature for a healthy person?
    Ipakita ang sagot

    Sagot: A. About 37°C

    CCOHS says the body normally keeps its core temperature near 37°C. A change of more than 1°C signals a problem.

  2. Tanong 2 ng 25

    In workplace safety, what does "heat stress" mean?
    Ipakita ang sagot

    Sagot: B. The total heat load on a worker from work, surroundings and clothing

    CCOHS describes heat stress as the overall heat load from metabolic heat, environmental factors and clothing.

  3. Tanong 3 ng 25

    What does the humidex tell you?
    Ipakita ang sagot

    Sagot: D. How hot it feels when heat and humidity combine

    Humidex estimates how hot people feel when warm temperatures and humidity combine, much like wind chill does for cold.

  4. Tanong 4 ng 25

    According to CCOHS, what does a humidex of 46 or higher mean?
    Ipakita ang sagot

    Sagot: B. Dangerous; heat stroke possible

    CCOHS rates a humidex of 46 and over as dangerous, with heat stroke possible.

  5. Tanong 5 ng 25

    Ontario's heat stress guidance points to a general duty in the OHS Act. What does that duty require of employers?
    Ipakita ang sagot

    Sagot: A. To take every reasonable precaution to protect workers

    Ontario's guidance says employers must take every reasonable precaution in the circumstances to protect workers, which may include protection from heat stress.

  6. Tanong 6 ng 25

    Under BC's OHS Regulation, what must an employer do where workers may face heat stress?
    Ipakita ang sagot

    Sagot: C. Do a heat stress assessment and make an exposure control plan

    Section 7.29 of BC's OHS Regulation requires a heat stress assessment and a heat stress exposure control plan.

  7. Tanong 7 ng 25

    A worker has sharp muscle pains after sweating heavily on a hot day. Which heat illness is most likely?
    Ipakita ang sagot

    Sagot: A. Heat cramps

    CCOHS says heat cramps are caused by a salt imbalance from heavy sweating. Move to a cool area and drink fluids.

  8. Tanong 8 ng 25

    Which set of signs best fits heat exhaustion?
    Ipakita ang sagot

    Sagot: B. Heavy sweating, pale moist skin, nausea and thirst

    CCOHS lists heavy sweating, weakness, dizziness, nausea, headache, thirst and pale, cool, moist skin as signs of heat exhaustion.

  9. Tanong 9 ng 25

    A guard on a hot site becomes confused and starts acting strangely. What should you do first?
    Ipakita ang sagot

    Sagot: C. Call 911, then start cooling them right away

    Confusion and odd behaviour in the heat point to heat stroke, a medical emergency. Call 911 and cool the person while you wait.

  10. Tanong 10 ng 25

    A worker who was doing hard physical work collapses in the heat but is still sweating. Can it be heat stroke?
    Ipakita ang sagot

    Sagot: B. Yes, sweating does not rule out heat stroke

    CCOHS notes that exertional heat stroke, after hard work or exercise, often comes with sweating, so sweat does not rule it out.

  11. Tanong 11 ng 25

    While waiting for paramedics for a person with heat stroke, where should you put cold, wet cloths or ice?
    Ipakita ang sagot

    Sagot: A. Head, neck, armpits and groin

    CCOHS first aid for heat stroke includes cold, wet cloths or ice on the head, neck, armpits and groin, after calling 911.

  12. Tanong 12 ng 25

    How much water does CCOHS suggest a worker drink in hot conditions?
    Ipakita ang sagot

    Sagot: D. About 250 mL every 20 minutes

    CCOHS suggests about one cup (250 mL) every 20 minutes, even without thirst, and no more than 1.5 litres an hour.

  13. Tanong 13 ng 25

    In hot work, what does "acclimatization" mean?
    Ipakita ang sagot

    Sagot: A. The body adjusting to heat over several days

    Acclimatization is the set of changes in the body after several days of heat exposure that help it cope with heat.

  14. Tanong 14 ng 25

    CCOHS suggests a new worker in a hot job start at what level of heat exposure on day 1?
    Ipakita ang sagot

    Sagot: D. No more than 20% of normal

    CCOHS suggests no more than 20% exposure on day 1, adding no more than 20% on each extra day.

  15. Tanong 15 ng 25

    Ontario's guidance says a worker who has been away for how long needs time to re-adjust to heat?
    Ipakita ang sagot

    Sagot: C. 9 days or more

    Ontario's heat stress guidance says workers returning after being ill or away for 9 or more days need to re-adjust to the heat gradually.

  16. Tanong 16 ng 25

    When is the best time to schedule heavy outdoor tasks on a hot summer day?
    Ipakita ang sagot

    Sagot: D. In the cooler morning or evening

    CCOHS and Ontario both advise moving strenuous work to cooler times of the day.

  17. Tanong 17 ng 25

    At what core body temperature does hypothermia begin?
    Ipakita ang sagot

    Sagot: D. Below 35°C

    CCOHS says hypothermia happens when the core body temperature falls below 35°C.

  18. Tanong 18 ng 25

    Which is a safe way to help a person with hypothermia while waiting for help?
    Ipakita ang sagot

    Sagot: C. Warm their chest, armpits and groin with blankets

    CCOHS says to handle the person gently, warm the upper body such as the chest, armpits and groin, not rub the skin and not rewarm too quickly with a hot bath.

  19. Tanong 19 ng 25

    Frostnip is best described as what?
    Ipakita ang sagot

    Sagot: D. A warning that frostbite is beginning

    CCOHS calls frostnip the mildest freezing injury and a warning that frostbite is beginning.

  20. Tanong 20 ng 25

    A co-worker's frostbitten fingers could freeze again before you reach shelter. What should you do?
    Ipakita ang sagot

    Sagot: C. Do not thaw them until refreezing is no longer a risk

    CCOHS says do not thaw a frostbitten area if it may freeze again, do not rewarm it on site, and never rub it or apply snow.

  21. Tanong 21 ng 25

    Trench (immersion) foot can happen at temperatures as high as about what?
    Ipakita ang sagot

    Sagot: B. 15.5°C

    CCOHS says trench foot can happen at temperatures as high as 15.5°C if the feet stay wet.

  22. Tanong 22 ng 25

    Why is cotton not a good layer next to the skin for cold work?
    Ipakita ang sagot

    Sagot: D. It gets damp quickly and stops keeping you warm

    CCOHS does not recommend cotton because it gets damp quickly. Wool and synthetic fibres keep their insulation when wet.

  23. Tanong 23 ng 25

    Below what temperature does CCOHS recommend mittens instead of gloves?
    Ipakita ang sagot

    Sagot: B. Below -17°C

    CCOHS recommends gloves for light work below 4°C and moderate work below -7°C, and mittens below -17°C.

  24. Tanong 24 ng 25

    In BC, a nearby heated shelter must be available when the equivalent chill temperature drops below what?
    Ipakita ang sagot

    Sagot: D. -7°C

    Section 7.36 of BC's OHS Regulation requires a nearby heated shelter when the equivalent chill temperature is below -7°C.

  25. Tanong 25 ng 25

    Why should workers avoid alcohol when working in the cold?
    Ipakita ang sagot

    Sagot: B. It gives a false feeling of warmth

    CCOHS says alcohol creates a false sense of warmth and increases the risk of cold injury.

Ang dapat malaman bago ang pagsusulit

  • Heat stroke is a medical emergency. Body temperature is often above 40°C. Call 911 and start cooling the person.
  • CCOHS suggests drinking about 250 mL of water every 20 minutes in the heat, even if you are not thirsty.
  • Hypothermia begins when core body temperature falls below 35°C.
  • BC requires heat and cold stress assessments and control plans where there is a risk (OHS Regulation ss. 7.29 and 7.34).
  • Ontario's heat stress guidance says employers must take every reasonable precaution to protect workers, which may include protection from heat stress.

Mga madalas itanong

What is the difference between heat exhaustion and heat stroke?

Heat exhaustion causes heavy sweating, weakness, nausea and pale, moist skin. Heat stroke is more serious: the person may be confused, collapse or have a seizure. Heat stroke is a medical emergency, so call 911.

How do I prevent frostbite on a winter patrol?

Dress in layers, cover your ears, wear mittens in deep cold, keep clothing dry and take warm-up breaks. Never ignore numbness, which is often the first sign.

Does this course count as first aid training?

No. It is background knowledge only. First aid for heat stroke and hypothermia is taught in a first aid course, and your province's OHS rules decide what first aid training your workplace needs.

Is there a temperature at which work must stop in Canada?

There is no single national cut-off. Each province and territory sets its own rules. For example, BC uses assessments and control plans, while Ontario points to the employer's duty to take every reasonable precaution.

Accredited ba o opisyal na kinikilala ang sertipiko?

Hindi. Ito ay pribadong sertipiko ng pagkumpleto para lamang sa kaalaman. Hindi ito kinikilala, hindi accredited at hindi inaprubahan ng anumang pamahalaan, ahensyang nagbibigay ng lisensya, regulator o institusyong pang-edukasyon, at hindi nito pinapalitan ang anumang lisensya, sertipikasyon o pagsasanay na hinihingi ng batas.

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