Exercising in the extreme cold

Exercising in the Extreme Cold

Multiple Choice

During vasoconstriction, what happens to the diameter of the peripheral blood vessels?

• Narrow

• Widen

Multiple Choice

Which is the correct definition of convection?

• movement of heat along a solid gradient

• movement of liquid (or gas molecules) within itself

• transfer of heat from one object to another

• transfer of an element from a liquid to a gaseous state

Multiple Choice

How much could vasoconstriction prevent heat loss?

• Up to 10%

• Up to 15%

• Up to 25%

• Up to 33%

Multiple Choice

Shivering looks to produce heat, rather than prevent heat loss.

• True

• False

Multiple Choice

During shivering, by how many times can metabolic activity increase?

• 3

• 4

• 5

• 6

Multiple Select

Which hormones have an increased release during this process?

• Adrenaline

• Thyroxine

• Testosterone

• HGH

• Insulin

Open Ended

What is one of the most simple ways to prevent heat loss?

Multiple Select

Which are 2 main effects of extreme cold?

• Hyperthermia

• Frost Bite

• Hypothermia

Multiple Choice

At which temperature does hypothermia occur (degrees)?

• 37

• 36

• 35

• 34

Multiple Choice

At which temperature (degrees) can hypothermia become fatal?

• 35

• 33

• 31

• 29

Multiple Choice

Which mechanism can lead to frostbite?

• Vasodilation

• Vasoconstriction

Multiple Select

Which of these areas are at risk of frostbite?

• Fingers

• Toes

• Lips

• Nose

• Ears

Multiple Choice

If frostbite becomes extremely bad, it can lead to amputation.

• True

• False

Poll

Todays session I.....

• Totally got

• Partially got

• Didn't get

Open Ended

The area that I would like to revisit is.....