Mean temperature lapse rate is _ degrees per 1,000 ft
-1.98
Dalton’s law of partial pressure states that the _ pressure exerted by a mixture of gases is _ to the sum of all the pressures contributed by each gas in the mixture
Total
Equal
A column of air weighs _ per square inch of surface area
14.7lbs
Hypoxia is the _ of O2 deficiency to the _ _ significant enough to cause _impairment.
State
Blood cells
Hypoxic hypoxia = not enough _ in the _
02 / air
Hypemic hypoxia = _ in the bloods _ _
_ , _ and _ _ are common causes
Reduction
Carrying capacity
Anemia, blood loss, carbon monoxide
Stagnant hypoxia = bloods 02 carrying capacity is adequate but _ is not
Experienced under extreme _ _
Circulation
Gravitational force
Histoxic hypoxia = _ with the use of 02 by body tissue
Drugs alcohol and _
Interference
Cyanide
Signs of hypoxia
MPs hate little candy
Mental confusion
Poor judgment
Hyperventilation
Lack of muscle coordination
Cyanosis
Symptoms of hypoxia =
BBEATT
Belligerence
Blurred vision
Euphoria
Apprehension
Tunnel vision
Tingling
Cigarette smoking significantly increases the amount of _ _ bound with hemoglobin which reduces the capacity of blood to combine with _
Smoking 20-30 cigs within 24 hrs or 3 cigs in smoked quickly saturates 8-10% of the bloods _
Results in _ loss of _
Carbon monoxide
Oxygen
Hemoglobin
20% night vision
1 oz of alcohol = physiological altitude of _
2000 ft
Stages of hypoxia = indifferent stage
_ to _ oxygen saturation - _ to _ ALT
Causes night vision to deteriorate at _
_ _ _ will increase the effects of hypoxia at all altitudes
90-98% / 0-10000
4000ft
Self imposed stressors
Stages of hypoxia: compensatory
_ to _ oxygen saturation _ to _ftALT
Pulse rate, blood pressure, circulation rate _
80-89% / 10-15ft
Increase
Stages of hypoxia = disturbance
_ to _ oxygen saturation _ to _ ALT
Impaired flight control, _ coordination and memory
70 to 79%
15 to 20
Decreased
Stages of hypoxia: critical hypoxia
_ to _ oxygen saturation _ to _ ALT
Central _ _ failure, death
60 to 69%
20 to forever
Nervous system
To prevent hypoxia you
Limit time at altitude
Use supplemental oxygen
Pressurizes the cabin
Treat hypoxia with _ oxygen or descent below _
100%
10,000ft
Types of vision: photonic experienced during _ hrs
Daylight
Types of vision = Mesozoic vision
Experienced at _ _ or _ _ _
Dawn
Down
Under full moonlight
Types of vision = Scotopic vision
Experienced in _ _ environments like _ _ conditions
Low light
Starlight conditions
_ _ is the most common somatogyral illusion. The pilot fails to perceived angular motion.
A pilot rolling out of a bank may experience that he is still in a bank
The leans
Autokinesis: when a _ light is stared at in the dark for 6 to 12 seconds the light appears to _ _ _ 20 degrees in any direction.
Static
Move up too
What is stress?
Stress is the nonspecific response of the body to any demand placed upon it.
