AVIT 309 FINAL EXAM WITH ALL CORRECT & 100%
VERIFIED ANSWERS|ALREADY GRADED A+
What is the primary purpose of pressurization? Correct answer-To protect occupants from hypoxia
and DCS
What are the two types of pressurization systems? Correct answer-Sealed cabins and pressurized
cabins
What are the two pressurized cabin schedules? Correct answer-Isobaric control and isobaric
differential
True or false - a pilot never has to wear an oxygen mask if the cabin is pressurized? Correct answer-
False
What physiological issues are minimized when using pressurization? Correct answer-Hypoxia,
Trapped gas, Evolved gas, Fatigue, Thermal stress, Noise and Vibration
What makes an aircraft susceptible to decompressions? Correct answer-Improper inspections and
maintenance, age and cycles of aircraft, higher differentials
What are the three types of decompressions? Correct answer-Slow
Rapid
Explosive
Which type of decompression has caused the most fatalities in recent history? Correct answer-
Slow
What is arguably the most reliable "alarm" for slow decompressions? Correct answer-The popping
and clicking of the ears on ascent
What is normally the most prolific sign of rapid decompressions? Correct answer-Explosive noise
What is a pilot's most immediate need following a decompression? Correct answer-100% oxygen
According to FAA regulations, a quick-don oxygen mask should be able to be donned, sealed and
properly configured with one hand in how many seconds? Correct answer-Five seconds
What is one of the main problems in self-identifying fatigue in oneself? Correct answer-No
biomarkers
What are the three types of fatigue? Correct answer-Transient
Cumulative
Circadian
What is the problem with instrument scanning when affected by channelized attention? Correct
answer-Scan discipline breaks down
What stages of sleep are the most refreshing for humans? Correct answer-Stage I and REM
What is one of the main intellectual markers of fatigue in yourself? Correct answer-Distraction
,Based on studies, what is the percentage of professional pilots who have had to cope with fatigue?
Correct answer-85-92%
What percentage of pilots who experienced fatigue-related problems in flight actually filed reports?
Correct answer-20%
With regards to circadian rhythms, what are the two periods of maximum sleepiness called?
Correct answer-Windows of circadian lows (WOCL)
How many milligrams of caffeine per day is considered relatively harmless? Correct answer-Less
than 500 mg
How much caffeine should be consumed every two-three hours for maximum effectiveness?
Correct answer-100-150 mg
NASA research indicates stress negatively affects core cognitive mechanisms of ________________
and ________________. Correct answer-Attention and Memory
What are the three recognized types of stress? Correct answer-Physical
Physiological
Physchological
True or false: Hypoxia may be a physiological stressor Correct answer-True
True or false: Boredom may be a psychological stressor Correct answer-True
True or false: Stress may be good for maximum performance Correct answer-True
What are examples of self-imposed stressors? Correct answer-Alcohol, drugs, tobacco, circadian
rhythm
What are the four phases of decreasing the effects of stress on team performance? Correct
answer-Academic
Procedure refinement
Cross-training
Practical training
What is considered the most important component of individual stress management? Correct
answer-Resilience
What are the four core components of individual resilience-building characteristics? Correct
answer-Connection
Wellness
Healthy thinking
Meaning
What are environmental factors to consider when calculating the effects of thermal stress? Correct
answer-Temperature, wind, water (precipitation)
, What do the acute effects of thermal stress include? Correct answer-Perceptual, physical,
environmnetal
What percentage of expended energy actually goes towards performing the actual work? Correct
answer-25%
What are the three heat transfer mechanisms? Correct answer-Conduction
Convection
Radiation
What is our average body core temperature range? Correct answer-95-103.9 degrees
At what core body temperature may organ damage and loss of neural function occur? Correct
answer-104 degrees
An elevation in one's core body temperature in an effort to destroy a viral species is known as a
________. Correct answer-Fever
What do humans suffer from when they enter a deficit of bodily fluids? Correct answer-
Dehydration
Under the right environmental conditions, humans may become dehydrated in as fast as ______
minutes. Correct answer-30
What is the body's primary intial response to cold environmental exposure? Correct answer-
Vasoconstriction
What are the three methods humans generate heat? Correct answer-Metabolic
Shivering
Physical activity
Hypothermia occurs when core body temperature drops below _______ degrees F. Correct
answer-95
How fast could a human become frostbitten at a temperature of -25 degrees F with 20 mph winds?
Correct answer-10 minutes or less
What is the most important component in successful mitigation of survival situations? Correct
answer-Mental state/attitude
Can one's fear help in survival situations? Correct answer-Yes
Why is panic worse than fear? Correct answer-Panic leads to irrational decisions
What is paramount in preparing for the elements? Correct answer-Knowledge of thermal
preparation
With regards to survival travel, what is the best option? Correct answer-Stay with the vehicle
How long may one last without water? Correct answer-3 days
VERIFIED ANSWERS|ALREADY GRADED A+
What is the primary purpose of pressurization? Correct answer-To protect occupants from hypoxia
and DCS
What are the two types of pressurization systems? Correct answer-Sealed cabins and pressurized
cabins
What are the two pressurized cabin schedules? Correct answer-Isobaric control and isobaric
differential
True or false - a pilot never has to wear an oxygen mask if the cabin is pressurized? Correct answer-
False
What physiological issues are minimized when using pressurization? Correct answer-Hypoxia,
Trapped gas, Evolved gas, Fatigue, Thermal stress, Noise and Vibration
What makes an aircraft susceptible to decompressions? Correct answer-Improper inspections and
maintenance, age and cycles of aircraft, higher differentials
What are the three types of decompressions? Correct answer-Slow
Rapid
Explosive
Which type of decompression has caused the most fatalities in recent history? Correct answer-
Slow
What is arguably the most reliable "alarm" for slow decompressions? Correct answer-The popping
and clicking of the ears on ascent
What is normally the most prolific sign of rapid decompressions? Correct answer-Explosive noise
What is a pilot's most immediate need following a decompression? Correct answer-100% oxygen
According to FAA regulations, a quick-don oxygen mask should be able to be donned, sealed and
properly configured with one hand in how many seconds? Correct answer-Five seconds
What is one of the main problems in self-identifying fatigue in oneself? Correct answer-No
biomarkers
What are the three types of fatigue? Correct answer-Transient
Cumulative
Circadian
What is the problem with instrument scanning when affected by channelized attention? Correct
answer-Scan discipline breaks down
What stages of sleep are the most refreshing for humans? Correct answer-Stage I and REM
What is one of the main intellectual markers of fatigue in yourself? Correct answer-Distraction
,Based on studies, what is the percentage of professional pilots who have had to cope with fatigue?
Correct answer-85-92%
What percentage of pilots who experienced fatigue-related problems in flight actually filed reports?
Correct answer-20%
With regards to circadian rhythms, what are the two periods of maximum sleepiness called?
Correct answer-Windows of circadian lows (WOCL)
How many milligrams of caffeine per day is considered relatively harmless? Correct answer-Less
than 500 mg
How much caffeine should be consumed every two-three hours for maximum effectiveness?
Correct answer-100-150 mg
NASA research indicates stress negatively affects core cognitive mechanisms of ________________
and ________________. Correct answer-Attention and Memory
What are the three recognized types of stress? Correct answer-Physical
Physiological
Physchological
True or false: Hypoxia may be a physiological stressor Correct answer-True
True or false: Boredom may be a psychological stressor Correct answer-True
True or false: Stress may be good for maximum performance Correct answer-True
What are examples of self-imposed stressors? Correct answer-Alcohol, drugs, tobacco, circadian
rhythm
What are the four phases of decreasing the effects of stress on team performance? Correct
answer-Academic
Procedure refinement
Cross-training
Practical training
What is considered the most important component of individual stress management? Correct
answer-Resilience
What are the four core components of individual resilience-building characteristics? Correct
answer-Connection
Wellness
Healthy thinking
Meaning
What are environmental factors to consider when calculating the effects of thermal stress? Correct
answer-Temperature, wind, water (precipitation)
, What do the acute effects of thermal stress include? Correct answer-Perceptual, physical,
environmnetal
What percentage of expended energy actually goes towards performing the actual work? Correct
answer-25%
What are the three heat transfer mechanisms? Correct answer-Conduction
Convection
Radiation
What is our average body core temperature range? Correct answer-95-103.9 degrees
At what core body temperature may organ damage and loss of neural function occur? Correct
answer-104 degrees
An elevation in one's core body temperature in an effort to destroy a viral species is known as a
________. Correct answer-Fever
What do humans suffer from when they enter a deficit of bodily fluids? Correct answer-
Dehydration
Under the right environmental conditions, humans may become dehydrated in as fast as ______
minutes. Correct answer-30
What is the body's primary intial response to cold environmental exposure? Correct answer-
Vasoconstriction
What are the three methods humans generate heat? Correct answer-Metabolic
Shivering
Physical activity
Hypothermia occurs when core body temperature drops below _______ degrees F. Correct
answer-95
How fast could a human become frostbitten at a temperature of -25 degrees F with 20 mph winds?
Correct answer-10 minutes or less
What is the most important component in successful mitigation of survival situations? Correct
answer-Mental state/attitude
Can one's fear help in survival situations? Correct answer-Yes
Why is panic worse than fear? Correct answer-Panic leads to irrational decisions
What is paramount in preparing for the elements? Correct answer-Knowledge of thermal
preparation
With regards to survival travel, what is the best option? Correct answer-Stay with the vehicle
How long may one last without water? Correct answer-3 days
