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Flashcards in AHUF Deck (255)
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1

On the BMI scale, you are considered overweight if you score above...

25

2

On the BMI scale, you are considered obese if you score above...

30

3

Using the pinch test, the fold of skin should be no more than how many mm thick?

12mm

4

how much blood does the heart pump per day

7600 litres/day

5

The most common cause of pilot incapacitation during flight is

gastro-intestinal upset

6

To avoid gastro, you should

avoid prepared hot foods that are kept for time

7

The ideal temperature and humidity for humans is

21°C to 27°C and a relative humidity of 50% (40%-60% is comfort range)

8

the first signs of heat stress will appear in temperatures in excess of...

32°C

9

below what temperature does heat stress (or lack of heat) occur?

10°C

10

There are 3 types of heat stress, what are they?

First is too hot, second is sun exposure, third is too cold.

11

The first signs of dehydration include...

drying of the nasal passages and a prickly sensation in the eyes

12

After donating blood, how long does CASA mandate a rest period on the ground?

At least 24hrs

13

What is the effect of smoking on the chance of a heart attack?

risk increase by 100%, or 200% with high blood pressure, or 1000% if on the pill.

14

What is the effect of smoking on the chance of a stroke?

risk increased by 100%

15

What is the effect of smoking on the chance of gangrene?

risk increased by 500%

16

The purpose of the eustachian tube is to...

allow pressure to equalise, which is why a blocked eustachian tube leads to barotrauma.

17

Does air pressure in the eustachian tube equalise faster in the climb or on descent?

During climb

18

Pressure vertigo is defined as

dizziness caused by pressure affecting the ear's balance mechanism

19

What manoeuvre is used to relieve baro discomfort during the descent?

The valsalve manoeuvre.

20

Do the medications used to treat hay fever impose any limitations on flying?

The typical medications used for such treatment would disqualify a pilot from flying.

21

If you suffer an injury or any other condition that may impair your ability to fly, do you have to tell casa?

Yes (CASR 61.265)

22

The effects of ageing are noticed primarily in deterioration in...

hearing, and presbyopia (long sightedness).

23

How long do you have to be pregnant for before it is recommended that you stop?

6 months

24

On average, how much water does the body lose per day, and compared to a hot day?

1 litre, and 5 litres on a hot day.

25

Too much salt can lead to...

hypertension (high blood pressure)

26

Green vegetables such as cabbage release gases during digestion which can....

cause pain or discomfort when they expand at high altitude.

27

Too little iron in the diet leads to

anaemia

28

The type of human errors which feature most commonly in aircraft accidents are...

Errors in judgement or poor decision making

29

Is dehydration more likely to occur at low or high altitude?

high

30

Gout is often the result of

excessive uric acid in the blood