Flashcards in AHUF Deck (255)
On the BMI scale, you are considered overweight if you score above...
On the BMI scale, you are considered obese if you score above...
Using the pinch test, the fold of skin should be no more than how many mm thick?
how much blood does the heart pump per day
The most common cause of pilot incapacitation during flight is
To avoid gastro, you should
avoid prepared hot foods that are kept for time
The ideal temperature and humidity for humans is
21°C to 27°C and a relative humidity of 50% (40%-60% is comfort range)
the first signs of heat stress will appear in temperatures in excess of...
below what temperature does heat stress (or lack of heat) occur?
There are 3 types of heat stress, what are they?
First is too hot, second is sun exposure, third is too cold.
The first signs of dehydration include...
drying of the nasal passages and a prickly sensation in the eyes
After donating blood, how long does CASA mandate a rest period on the ground?
At least 24hrs
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.
What is the effect of smoking on the chance of a stroke?
risk increased by 100%
What is the effect of smoking on the chance of gangrene?
risk increased by 500%
The purpose of the eustachian tube is to...
allow pressure to equalise, which is why a blocked eustachian tube leads to barotrauma.
Does air pressure in the eustachian tube equalise faster in the climb or on descent?
Pressure vertigo is defined as
dizziness caused by pressure affecting the ear's balance mechanism
What manoeuvre is used to relieve baro discomfort during the descent?
The valsalve manoeuvre.
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.
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)
The effects of ageing are noticed primarily in deterioration in...
hearing, and presbyopia (long sightedness).
How long do you have to be pregnant for before it is recommended that you stop?
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.
Too much salt can lead to...
hypertension (high blood pressure)
Green vegetables such as cabbage release gases during digestion which can....
cause pain or discomfort when they expand at high altitude.
Too little iron in the diet leads to
The type of human errors which feature most commonly in aircraft accidents are...
Errors in judgement or poor decision making
Is dehydration more likely to occur at low or high altitude?