Risk Factors
What is normal body temperature?
98.6 F
Heat index is based on air temperature and what?
Humidity
Air conditioners remove what from the air?
Heat
Anytime the temperature is elevated, you should increase your intake of what?
Fluids
Employees that have been away from work for longer than ______ may need to re-acclimatize to the temperatures.
1 week
A heat wave is defined as:
•Consistent temperatures over ?°F.
80
What is the term for temperature regulation called? (Two options)
Thermoregulation or Homeostasis
What is the term for muscle pains or spasms that occur because of a salt imbalance.
Heat Cramps
Fans can be effective in helping you feel cooler if the air temperature is below what?
Below 95 F
When working in the heat clothing should be reflective, light-colored, lightweight, and loose-fitting and ____.
Breathable
What is the physical process of adapting to a different thermal environment.
Acclimatization
•Anytime the temperature is ?° higher than the average high daily temperature in the preceding five days is also classified as a heat wave.
10
The body gains or loses heat in 4 ways. What is it called when your body is in direct contact with objects that are cooler or warmer?
Conduction
What heat-related illness is the most serious and is immediately life threatening?
Heat Stroke
When working in temperatures greater than __F it is important to find a shaded area to take a break in.
80F
To maintain good hydration, drink small quantities frequently—about ___ ounces every fifteen minutes.
6
How long does acclimatization typically take to occur?
one to two weeks of initial exposure, depending on the temperature, humidity, and the health and conditioning of the employee.
When work site temperatures equal or exceed 95°F, mandate ______ minute rest periods every _____ hours.
10, 2
The body gains or loses heat in 4 ways. What is it called when your body is cooled as sweat is converted from a liquid to a vapor?
Evaporation
An employee working outdoors under the sun is nauseated, dizzy, and sweating profusely. These are symptoms of what heat illness?
Heat Exhaustion
Fans do not physically cool the air, but they do increase convection & ________.
Evaporation
You should not skip meals because food helps replace ______ lost when sweating.
Electrolytes
Having a heart rate of over ___ beats per minute can be a sign that an employee has a heat illness.
110
When extreme temperatures of __ degrees Fahrenheit are reached, additional procedures must be put in place.
95
The body gains or loses heat in 4 different ways..
1. Conduction
2. Evaporation
What are the other two?
Radiation & Convection
Someone you are working with starts to have symptoms of heat stroke. What are 3 treatment methods you could do to help?
•Notify a supervisor and follow the emergency action procedure.
•Move the victim to the shade or an air-conditioned environment.
•Cool by fanning, sponging, and applying ice packs.
•Give water only if conscious.
•Remove boots, socks, and other excess clothing.
What type of heat can be controlled by installing reflective screens or shields between the heat source and the employee.
Radiant
What 4 things should you avoid consuming when working in high temperatures?
alcohol, caffeine, carbonation, and sugar.
Employees that are wearing heavy protective clothing and doing what else are most at risk for a heat related illness?
Working in direct sun.
You can control convective heat by:
‒Decreasing air velocity.
& what else?
Wearing clothing to cover exposed skin