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Flashcards in General Health and Performance Deck (32)
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0
Q

Why might you experience disorientation during manoeuvres?

A

Mixed messages to the brain

1
Q

What is the most common ailment affecting pilots?

A

Food poisoning (gastro)

2
Q

How long should one avoid flying after a blood donation?

A

24h

3
Q

What are symptoms of mild and severe dehydration?

A
Mild:
  Prickly eyes
  Dry nasal passages
Severe:
   All body processes affected
   Irrationality
   Emotional effects
4
Q

How much water is typically lost per day? What about a hot day?

A

1l,

on a hot day up to 5l

5
Q

Why can sinusitis and hay fever cause severe loss of concentration for a pilot?

A

Swelling of membranes, blocking sinus and causing pain

6
Q

If a pilot suffers an injury that might impair their flying what should he/she do?

A

Inform CASA or DAME immediately and not fly until DAME says the medical standard is met fully

7
Q

With age, hearing and short distance vision are reduced. How does this impact most pilots?

A

It doesn’t as they remain above standard in most cases

8
Q

Why should a pregnant pilot not fly after 6 months?

A

Need to bend or climb to preflight a plane

9
Q

What causes air sickness in turbulence

A

Confusing messages to the brain

10
Q

Why can green vegetables cause discomfort?

A

Gas release during digestion- this can expand at altitude

11
Q

What are the symptoms of air sickness?

A

Pale face
Sweating
Nausea/vomiting

12
Q

What preconditions exacerbate air sickness?

A

Anxiety or stress

13
Q

What is the most important sense for orientation? What else is used?

A

Vision (also the ear and skeleton)

14
Q

Obesity causes what?

A

Heart disease, Hypertension, gout, diabetes

15
Q

What are the rules for flying after diving?

A

If no compression stops required, 4h
Otherwise:
Dive up to 4h. - 12h
Beyond that 48h

16
Q

How frequently is a medical certificate required?

A

1y for CPL or 2y for PPL or student

17
Q

What is the effect of hyperventilating? What causes it? What is the cure?

A
Reduced CO2 reduced blood acidity.
Dizziness
Sweating
High heart rate
Tingling or numbness in hands and feet

Caused by anxiety/ stress

Cure:
Breathe into a paper bag and consciously slow your breathing

18
Q

What is the pressure change 30ft under water?

A

2x

19
Q

How long should you wait after sleeping pills?

A

24h

20
Q

How are the bends treated?

A

By replacing nitrogen with less soluble helium

21
Q

An upwards terrain slope from the threshold causes what illusion

A

That you are lower than you actually are

22
Q

A runway that slopes up from the threshold creates what illusion

A

That you are higher than you are

23
Q

What time is it hardest to stay awake?

A

3-5am

24
Q

After lunch there is a slight increase in tiredness called the…?

A

Post prandial dip

25
Q

How does stress affect performance?

A

Moderate levels can improve situational performance

Excess stress always reduces attention span, adds to:
Forgetfulness,
Reluctance to make decisions
Apathy, weariness
Depression, mood swings
26
Q

What are stress exacerbators?

A

Gload, noise, vibration, temperature extremes, hunger and thirst

27
Q

What causes chronic fatigue?

A

It is lifestyle related but the causes are unknown

28
Q

When are you most likely to form a false hypothesis?

A

After intense concentration, over expectancy or distraction

29
Q

What is the term for not noticing something unusual in plain sight?

A

Mind set

30
Q

How should one act to avoid a false hypothesis?

A
1 consider facts
2 define problem
3 consider solutions
4 try solutions (act)
5 consider results
31
Q

How far under water does pressure double?

A

30ft