Avit 309 Exam Questions And
Answers Practice Questions with
Solutions Newest | Already Graded A+
What is the primary purpose of pressurization? - Answer- To protect occupants from
hypoxia and DCS
What are the two types of pressurization systems? - Answer- Sealed cabins and
pressurized cabins
What are the two pressurized cabin schedules? - Answer- Isobaric control and isobaric
differential
True or false - a pilot never has to wear an oxygen mask if the cabin is pressurized? -
Answer- False
What physiological issues are minimized when using pressurization? - Answer-
Hypoxia, Trapped gas, Evolved gas, Fatigue, Thermal stress, Noise and Vibration
What makes an aircraft susceptible to decompressions? - Answer- Improper inspections
and maintenance, age and cycles of aircraft, higher differentials
What are the three types of decompressions? - Answer- Slow
Rapid
Explosive
Which type of decompression has caused the most fatalities in recent history? -
Answer- Slow
What is arguably the most reliable "alarm" for slow decompressions? - Answer- The
popping and clicking of the ears on ascent
What is normally the most prolific sign of rapid decompressions? - Answer- Explosive
noise
What is a pilot's most immediate need following a decompression? - 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? - Answer- Five
seconds
,What is one of the main problems in self-identifying fatigue in oneself? - Answer- No
biomarkers
What are the three types of fatigue? - Answer- Transient
Cumulative
Circadian
What is the problem with instrument scanning when affected by channelized attention? -
Answer- Scan discipline breaks down
What stages of sleep are the most refreshing for humans? - Answer- Stage I and REM
What is one of the main intellectual markers of fatigue in yourself? - Answer- Distraction
Based on studies, what is the percentage of professional pilots who have had to cope
with fatigue? - Answer- 85-92%
What percentage of pilots who experienced fatigue-related problems in flight actually
filed reports? - Answer- 20%
With regards to circadian rhythms, what are the two periods of maximum sleepiness
called? - Answer- Windows of circadian lows (WOCL)
How many milligrams of caffeine per day is considered relatively harmless? - Answer-
Less than 500 mg
How much caffeine should be consumed every two-three hours for maximum
effectiveness? - Answer- 100-150 mg
NASA research indicates stress negatively affects core cognitive mechanisms of
________________ and ________________. - Answer- Attention and Memory
What are the three recognized types of stress? - Answer- Physical
Physiological
Physchological
True or false: Hypoxia may be a physiological stressor - Answer- True
True or false: Boredom may be a psychological stressor - Answer- True
True or false: Stress may be good for maximum performance - Answer- True
What are examples of self-imposed stressors? - Answer- Alcohol, drugs, tobacco,
circadian rhythm
, What are the four phases of decreasing the effects of stress on team performance? -
Answer- Academic
Procedure refinement
Cross-training
Practical training
What is considered the most important component of individual stress management? -
Answer- Resilience
What are the four core components of individual resilience-building characteristics? -
Answer- Connection
Wellness
Healthy thinking
Meaning
What are environmental factors to consider when calculating the effects of thermal
stress? - Answer- Temperature, wind, water (precipitation)
What do the acute effects of thermal stress include? - Answer- Perceptual, physical,
environmnetal
What percentage of expended energy actually goes towards performing the actual
work? - Answer- 25%
What are the three heat transfer mechanisms? - Answer- Conduction
Convection
Radiation
What is our average body core temperature range? - Answer- 95-103.9 degrees
At what core body temperature may organ damage and loss of neural function occur? -
Answer- 104 degrees
An elevation in one's core body temperature in an effort to destroy a viral species is
known as a ________. - Answer- Fever
What do humans suffer from when they enter a deficit of bodily fluids? - Answer-
Dehydration
Under the right environmental conditions, humans may become dehydrated in as fast as
______ minutes. - Answer- 30
What is the body's primary intial response to cold environmental exposure? - Answer-
Vasoconstriction
What are the three methods humans generate heat? - Answer- Metabolic
Answers Practice Questions with
Solutions Newest | Already Graded A+
What is the primary purpose of pressurization? - Answer- To protect occupants from
hypoxia and DCS
What are the two types of pressurization systems? - Answer- Sealed cabins and
pressurized cabins
What are the two pressurized cabin schedules? - Answer- Isobaric control and isobaric
differential
True or false - a pilot never has to wear an oxygen mask if the cabin is pressurized? -
Answer- False
What physiological issues are minimized when using pressurization? - Answer-
Hypoxia, Trapped gas, Evolved gas, Fatigue, Thermal stress, Noise and Vibration
What makes an aircraft susceptible to decompressions? - Answer- Improper inspections
and maintenance, age and cycles of aircraft, higher differentials
What are the three types of decompressions? - Answer- Slow
Rapid
Explosive
Which type of decompression has caused the most fatalities in recent history? -
Answer- Slow
What is arguably the most reliable "alarm" for slow decompressions? - Answer- The
popping and clicking of the ears on ascent
What is normally the most prolific sign of rapid decompressions? - Answer- Explosive
noise
What is a pilot's most immediate need following a decompression? - 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? - Answer- Five
seconds
,What is one of the main problems in self-identifying fatigue in oneself? - Answer- No
biomarkers
What are the three types of fatigue? - Answer- Transient
Cumulative
Circadian
What is the problem with instrument scanning when affected by channelized attention? -
Answer- Scan discipline breaks down
What stages of sleep are the most refreshing for humans? - Answer- Stage I and REM
What is one of the main intellectual markers of fatigue in yourself? - Answer- Distraction
Based on studies, what is the percentage of professional pilots who have had to cope
with fatigue? - Answer- 85-92%
What percentage of pilots who experienced fatigue-related problems in flight actually
filed reports? - Answer- 20%
With regards to circadian rhythms, what are the two periods of maximum sleepiness
called? - Answer- Windows of circadian lows (WOCL)
How many milligrams of caffeine per day is considered relatively harmless? - Answer-
Less than 500 mg
How much caffeine should be consumed every two-three hours for maximum
effectiveness? - Answer- 100-150 mg
NASA research indicates stress negatively affects core cognitive mechanisms of
________________ and ________________. - Answer- Attention and Memory
What are the three recognized types of stress? - Answer- Physical
Physiological
Physchological
True or false: Hypoxia may be a physiological stressor - Answer- True
True or false: Boredom may be a psychological stressor - Answer- True
True or false: Stress may be good for maximum performance - Answer- True
What are examples of self-imposed stressors? - Answer- Alcohol, drugs, tobacco,
circadian rhythm
, What are the four phases of decreasing the effects of stress on team performance? -
Answer- Academic
Procedure refinement
Cross-training
Practical training
What is considered the most important component of individual stress management? -
Answer- Resilience
What are the four core components of individual resilience-building characteristics? -
Answer- Connection
Wellness
Healthy thinking
Meaning
What are environmental factors to consider when calculating the effects of thermal
stress? - Answer- Temperature, wind, water (precipitation)
What do the acute effects of thermal stress include? - Answer- Perceptual, physical,
environmnetal
What percentage of expended energy actually goes towards performing the actual
work? - Answer- 25%
What are the three heat transfer mechanisms? - Answer- Conduction
Convection
Radiation
What is our average body core temperature range? - Answer- 95-103.9 degrees
At what core body temperature may organ damage and loss of neural function occur? -
Answer- 104 degrees
An elevation in one's core body temperature in an effort to destroy a viral species is
known as a ________. - Answer- Fever
What do humans suffer from when they enter a deficit of bodily fluids? - Answer-
Dehydration
Under the right environmental conditions, humans may become dehydrated in as fast as
______ minutes. - Answer- 30
What is the body's primary intial response to cold environmental exposure? - Answer-
Vasoconstriction
What are the three methods humans generate heat? - Answer- Metabolic
