sac Flashcards

1
Q

Hypothermia

A

Hypothermia is when your body loses heat faster than it can produce heat, causing a dangerously low body temperature. Normal body temperature is around 37° celsius. Hypothermia occurs as your body temperature falls below 35° celsius .

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2
Q

Biodiversity

A

Biodiversity is all the different kinds of life you’ll find in one area, the variety of flora and fauna that make up our natural world.

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3
Q

Climate

A

El Nino - warm, drought phases (little to no rain)
La Nina - flood, extensive rain

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4
Q

Northerly Aspect

A

Taller Trees – eucalyptus/gum
Warmer climate
Drier soils
Lack of vegetation

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5
Q

Southerly Aspect

A

Climate would be wetter
Colder climate
Increase in ferns
Possible increase in fertile soils

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6
Q

Heat loss – 4 different types

A

Conduction
Convection
Evaporation
Radiation

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7
Q

Conduction

A

Heat passes out of the body directly into a
cooler object, such as the ground an injured
person is lying on.

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8
Q

Convection

A

Heat rises away from the body into the air due to cold air being blown at you.

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9
Q

Evaporation

A

Heat is removed from the body as water or perspiration evaporates and the skin dries.

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10
Q

Radiation

A

Heat is given off to a cooler environment directly.

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11
Q

First Aid for Hypothermia (6)

A

1) Move the person out of the cold
2) Remove wet clothing
3) Try to warm the person (apply war, compress to neck, chest and groin)
4) Wrap the person in a hypothermia wrap
5) Stay with the person
6) Continually monitor breathing, if breathing stops start CPR

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12
Q

How to reduce the risk of Hypothermia

A

Layer correctly
Hydrate and eat correctly
Minimise prolonged exposure to cold conditions
Stay dry

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13
Q

Fabrics used in the base layer

A

Polypropylene Thermal
Merino Wool Thermal

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14
Q

Fabrics used in the mid (insulation) layer

A

Polar fleece jacket
Down jacket
Merino wool
Normal woollen jacket

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15
Q

Fabrics used in the outer layer

A

Gore-tex
eVent shell

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16
Q

Purpose of the Base Layer

A

Its main purpose is to regulate your body temperature by retaining heat and wicking away moisture.

17
Q

Purpose of the Mid Layer

A

To retain body heat and the best way to do so is by creating a layer of still or dead air around your body.

18
Q

Purpose of the Outer Layer

A

Protection from wind
Protection from moisture like rain and snow.
Getting rid of body moisture

19
Q

Geology

A

can affect the soil drainage which in turn can affect the type of plants that grow in that specific area