IH HEAT STRESS

Question 1

Heat STroke SIGNS

Answer 1

• EUPHORIA
• RED FACE
• DISORIENTATION
• HOT, DRY SKIN (USUALLY, BUT NOT ALWASY)
• ERRATIC BEHAVIOR
• COLLAPSE
• SHIVERING
• UNCONSCIOUSNESS
• CONVULSIONS
• BODY TEMPERATURE GREATER THAN 104 DEGREES

Question 2

HEAT STROKE CAUSE

Answer 2

Excessive exposure

• Subnormal tolerance (geneti or acquired)
• Drug/alcohol abuse

Question 3

Heat Stroke First Aid

Answer 3

• Immediate, aggressive, effective cooling
• Transport to hospital
• Take body temperature

Question 4

Heat Strok Prevention

Answer 4

Self-determination of heat stress exposure

• Maintain a healthy lifestyle
• Acclimation

Question 5

Heat Exhaustion Symptoms

Answer 5

• Fatigue
• Weakness
• Blurred vision
• Dizziness, headache

Question 6

Heat exhaustion Signs

Answer 6

• High pulse rate
• Profuse sweating
• Low blood pressure
• Insecure gait
• Pale face
• Collapse
• Body temperature: Normal to slightly increased

Question 7

Heat exhaustion Cause

Answer 7

• Dehydration (caused by sewating, diarrhea, vomiting)
• Distribution of blood to the periphery
• Low level of acclimation
• Low level of fitness

Question 8

Heat exhaustion First Aid

Answer 8

• Lie down flat on back in cool environment
• Drink water
• Loosen clothing

Question 9

Heat Exhaustion Prevention

Answer 9

• Drink water or other fluids frequently
• Add salt to food
• Acclimation

Question 10

Dehydration Symptoms

Answer 10

No early symptoms

• Fatigue/weakness
• Dry Mouth

Question 11

Dehydration Signs

Answer 11

• Loss of work capacity

* Increased response time

Question 12

Dehydration Cause

Answer 12

*Excessive fluid loss caused by sweating (vomiting or diarrhea), alcohol consumption

Question 13

Dehydration First Aid

Answer 13

*Fluid and salt replacement

Question 14

Dehydration Prevention

Answer 14

• Drink water or other fluids frequently

* Add salt to food

Question 15

Heat Syncope Symptoms

Answer 15

• Blurred vision (gray-out
• Fainting (brief black-out)
• Normal Temperature

Question 16

Heat Syncope Signs

Answer 16

*Brief fainting or near-fainting behavior

Question 17

Heat syncope Cause

Answer 17

*Pooling of blood in the legs and skin from prolonged static posture and heat exposure

Question 18

Heat Syncope First Aid

Answer 18

• Lie on back in cool environment

* Drink water

Question 19

Heat syncope Prevention

Answer 19

• Flex leg muscles several times before moving

* Stand or sit up slowly

Question 20

Heat cramps Symptoms

Answer 20

*Painful muscle cramps, especially in abdominal or fatigued muscles

Question 21

Heat cramps Signs

Answer 21

*Incapacitating pain in muscles

Question 22

Heat cramps Cause

Answer 22

*Electrolyte imbalance caused by prolonged sweating without adequate fluid and salt intake

Question 23

Heat cramps First Aid

Answer 23

• Rest in cool environment
• Drink salted water (0.5% salt solution)
• Massage muscles

Question 24

Heat Cramps Prevention

Answer 24

*If hard physical work is part of the job, workers should add extra salt to their food

Question 25

Heat rash (prickly heat Symptoms

Answer 25

* Itching skin | * Reduced seating

Question 26

Heat rash (Prickly heat) Signs

Answer 26

*Skin eruptions

Question 27

Heat rash (prickly heat) Cause

Answer 27

* Prolonged, uninterrupted sweating | * Inadequate hygiene practices

Question 28

Heat rash (prickly heat) First Aid

Answer 28

* Keep skin clean and dry | * Reduce heat exposure

Question 29

Heat Rash (prickly heat) Prevention

Answer 29

*Keep skin clean and periodically allow the skin to dry

Question 30

What are the three factors that influence Thermal Stress

Answer 30

* Climatic conditions * Work demands * clothing

Question 31

What is metabolic RAte

Answer 31

rate of internal heat generation, which must be dissipated from the body to maintain THERMAL EQUILIBRIUM

Question 32

WBGT MEASURES WHAT 3 THINGS

Answer 32

RADIANT HEAT AIR TEMP EVAPORATIVE COOLING

Question 33

TRUE/FALSE | Telling employees to take a break whenever they need one is an effective control

Answer 33

FALSE

Question 34

What % of people are heat intolerant

Answer 34

3%

Question 35

The heat index on the news measures what two things?

Answer 35

Relative humidity | dry bulb temperation

Question 36

Why is Heat Index more valuable to the general population than WBGT?

Answer 36

Because everyone understands it

Question 37

Since going by heat index chart will cause you to send people home 1/2 the year in Corpus Christi, what should you do?

Answer 37

Use control mechanisms

Question 38

What does heat Index chart compare? Measure?

Answer 38

Compares relative temperature to environmental temperature to get "apparent temperature". Color indicate Heat Stress Risk with Physical Activity and/or prolonged exposure

Question 39

The Heat Index Chart - gives you information about?

Answer 39

Heat Stress Risk with Physical Activity and/or prolonged Exposure

Question 40

If apparent temperature is 90-105 F - and is the blue part of the chart what is possible?

Answer 40

Heat cramps or heat exhaustion possible

Question 41

If Heat Index Chart is yellow - 105 - 130 F what is likely and what is possible

Answer 41

Heat cramps or heat exhaustion likely. Heat stroke possible

Question 42

If heat index chart is in the red zone - 103 F and up what is highly likely?

Answer 42

Heatstroke is highly likely.

Question 43

What assumptions are made of WBGT and NIOSH ACGIH TLV

Answer 43

Loose cotton clothing take breaks in same thermal environment you work in No PPE

Question 44

True/False | Long term exposure to heat can cause liver, kidney failure

Answer 44

True

Question 45

True/False | Short term overexposure to heat can cause irritability

Answer 45

True

Question 46

How long can it take to become acclimatized to heat?

Answer 46

Two weeks

Question 47

What is the biggest contributor to heat gain by a worker

Answer 47

The metabolic cost of doing work

Question 48

heat stroke symptoms

Answer 48

* Chills * Restlessness * Irritability