Final Notes Flashcards
Time of useful consciousness
10,000 - 30 mins 18,000 - 15-30mins 25,000 - 3-5min 35 - 35-45 seconds 45- 12 seconds
Solar radiation comprises of what
58% infrared, 40% visible, 2%UV. At altitude UV is 4-6%
What is systolic pressure level and diastolic
120mmHg - systolic
80mmHg - diastolic
What is angina?
Arterial disease caused by low blood pressure/flow harder for blood to get through the arteries
Co pilot is responsible for who
Pic
Percentage of o2 and CO2 at sea level
14% and 5.3%
CO level higher then normal leads to what
Rate of breathing and pulse rate increase
Tidal volume is what?
Volume of air inhaled and exhaled w each breath
% of o2 within alveoli at SL
14%
Coronary artery provides what?
Own blood supply for heart
Blood from pulmonary artery contains what
Low amounts o2 high amounts co2
Partial pressure of o2 height at half sea level?
10,000ft
Body triggers for breathing rate increase?
Chemical sensors in brain and two major blood vessels detect increased co2 and o2 in blood so autonomic nervous increases breathing rate
Aircraft is typically pressurised to what height
6-8000ft
What is Anemic hypoxia
Smoking
NIHL is caused by what
Damage to small Hairs in cochlea
Headphone and earphone dB reduction
10-15
Plaque built up on walls of red blood cells indicate what
Arterial disease
Food poisoning takes how long to work?
90 minutes
The ‘Absolute’ minimum pilots should stop drinking
8 hours
Medication described as having a long half-life. Means what?
Medication concentration in body receives a significant level for an extended period of time
Two types of cosmic radiation?
Solar and galactic
Yertas-Dodson curve can be described how?
Upside down U
Sleep cycle is how long?
90 minutes
Slow wave sleep is what and when?
Stage 3-4
Recovers the body
REM sleep helps with what
Assist in organisation of memory and helping coordinate and assimilate new info learned
Heart rate and temp drops at what stage of sleep?
2
If sleeper is awoken early what happens?
They rebound so that the current sleep pattern will make up these stages in previous spell of sleep.
When is the circadian rhythm temp lowest?
0500
If individual awaken after short sleep what happens?
Next period of sleep will contain higher then normal amount of REM
What is the trans meridian Timezone conversion? And how long for circadian rhythm to resynchronise to local time after crossing time zones
18-24 hr = 1 hr time zone change
1 day per 1 - 1 & 1 1/2 hr of time change
What is the Jen Rasmussen model?
SRK
Skill based
Knowledge based
Rule based
Biggest latent threat?
Cockpit ergonomics
3 types of anthropometric measurements?
Static, dynamic and contour
Most important feature of cockpit?
Eye design point is clearly marked
Main tools for improving job satisfaction?
Job enrichment and enlargement
Fonts should be under what?
Sized medium in black with white background
