Chapter 4: Factors Affecting Performance Flashcards
The effect of circadian dysrhythmia is greatest when you fly from ___ to ___
west to east
20 minutes nap break when feeling tired would likely?
increase alertness
Healthy adolescents need about _ to _ hours of sleep every night
there are two _____ _____ of sleepiness
8 to 10, natural periods
Alcohol adversely affects performance and absoprtion of alcohol in bloodstream is ___ in physical fit people
higher
Circadian rhythms are important biological regulators that are controlled by the
suprachiasmatic nucleus (SCN). The SCN responses to light, which increases the
production of ____ and decreases the production of ____.
cortisol, melatonin
How long do staff need to fully acclimatised to new working enviroment?
2 - 4 days
Adjustment to the circadian rhythm may not even commence until about ____ after
the shift change.
10 days
According to AWN47, LAEs are responsible to?
assess their fitness for duty
Alcohol and tobacco ____ alertness and ____ reaction times.
reduce, increase
During the first four hours of sleep, there is more ____ sleep, which is essential for
____ ____.
deep
body restoration
How long will it
take one to fully adjust to the new shift cycle? (day to night shift change)
25 days
A good rule-of-thumb is that one hour of high-quality sleep is good for __ ____
of activities.
2 hours
The amount of stress experienced with a particular task is dependent on the
____ ____ and ____ ____ of that person.
perceived demand, perceived ability
During the last two hours of sleep, there is more ____ sleep, which is
essential for ___ ____.
paradoxical, body function
People with sleep deprivation experience more?
sleep inertia
what would lead to sleep inertia?
waking up during REM sleep
Physiological symptoms include
headaches
high bp
loss of appetite
sleep disturbances
In
addition, the maintenance organisations holding ‘A’ and/or ‘B’ ratings must submit a
production man-hours plan to CAAS and update it every _ months and highlight if
there are more than __ percent shortfall in available man-hours during the calendar
month for any one of the functions specified in SAR 145.30(c).
3 months, 25%
CASA suggested that a good fatigue management programme requires a ___ ____ framework where the ____ manages oneself and the other is to
monitor those around us to ensure that everyone is fit for the task.
shared responsibility, individual
According CASA, flight crews with less than ___ hours of sleep in the prior 24 hours
are ___ as likely to make consequential errors.
five hours, twice
The ability of the body to eliminate alcohol:
is the same for healthy adults
slows down during sleep
According to Ilill (2013), the brain cells shrink during sleep to allow the
____ ___ (CSF) to flow around it to clear the waste or ______ proteins, that is accumulated at the synapses during the day. This waste-clearing
process during sleep allows humans to process information more efficiently.
cerebrospinal fluid, amyloid-beta
According to the Foster (2013), alcohol can sedate can make you sleepy but it
harms the neural processing that is happening in the brain such as memory
____ and ____.
consolidation, recall
Studies by Flight Safety Foundation (1988) showed that five or six cups of grounded
coffee a day can?
cause tremor
reduce reaction time
Studies have shown that caffeine does not counteract the depressant effects of
alcohol. In fact, the combined effects could further impair a person’s ____,
____ and ____ ____.
cognitive, perceptual, motor functions
According to McElhatton and Drew (1993), excessive time pressure has caused 60%
of errors that were due to ____, or tasks that were incorrectly executed, and
38% of errors that were due to ____, or tasks that were left out
commission, omission
According to some research findings, ____ ____ can increase deep,
restorative sleep. It causes the body to produce more _____ that will reduce
tension and anxiety, and improve the general sense of well-being
physical exercise, endorphins
McElhatton and Drew (1993) highlighted two good practices that should be adopted
when you are faced with time pressure, or in a hurry-up situation. They are pause to
_____ the situation and to ____ the tasks.
re-evaluate, prioritise
