Chapter 4: Factors Affecting Performance

Question 1

The effect of circadian dysrhythmia is greatest when you fly from ___ to ___

Answer 1

west to east

Question 2

20 minutes nap break when feeling tired would likely?

Answer 2

increase alertness

Question 3

Healthy adolescents need about _ to _ hours of sleep every night

there are two _____ _____ of sleepiness

Answer 3

8 to 10, natural periods

Question 4

Alcohol adversely affects performance and absoprtion of alcohol in bloodstream is ___ in physical fit people

Answer 4

higher

Question 5

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 ____.

Answer 5

cortisol, melatonin

Question 6

How long do staff need to fully acclimatised to new working enviroment?

Answer 6

2 - 4 days

Question 7

Adjustment to the circadian rhythm may not even commence until about ____ after
the shift change.

Answer 7

10 days

Question 8

According to AWN47, LAEs are responsible to?

Answer 8

assess their fitness for duty

Question 9

Alcohol and tobacco ____ alertness and ____ reaction times.

Answer 9

reduce, increase

Question 10

During the first four hours of sleep, there is more ____ sleep, which is essential for
____ ____.

Answer 10

deep

body restoration

Question 11

How long will it
take one to fully adjust to the new shift cycle? (day to night shift change)

Answer 11

25 days

Question 12

A good rule-of-thumb is that one hour of high-quality sleep is good for __ ____
of activities.

Answer 12

2 hours

Question 13

The amount of stress experienced with a particular task is dependent on the
____ ____ and ____ ____ of that person.

Answer 13

perceived demand, perceived ability

Question 14

During the last two hours of sleep, there is more ____ sleep, which is
essential for ___ ____.

Answer 14

paradoxical, body function

Question 15

People with sleep deprivation experience more?

Answer 15

sleep inertia

Question 16

what would lead to sleep inertia?

Answer 16

waking up during REM sleep

Question 17

Physiological symptoms include

Answer 17

headaches
high bp
loss of appetite
sleep disturbances

Question 18

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).

Answer 18

3 months, 25%

Question 19

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.

Answer 19

shared responsibility, individual

Question 20

According CASA, flight crews with less than ___ hours of sleep in the prior 24 hours
are ___ as likely to make consequential errors.

Answer 20

five hours, twice

Question 21

The ability of the body to eliminate alcohol:

Answer 21

is the same for healthy adults

slows down during sleep

Question 22

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.

Answer 22

cerebrospinal fluid, amyloid-beta

Question 23

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 ____.

Answer 23

consolidation, recall

Question 24

Studies by Flight Safety Foundation (1988) showed that five or six cups of grounded
coffee a day can?

Answer 24

cause tremor
reduce reaction time

Question 25

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 ____ ____.

Answer 25

cognitive, perceptual, motor functions

Question 26

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

Answer 26

commission, omission

Question 27

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

Answer 27

physical exercise, endorphins

Question 28

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.

Answer 28

re-evaluate, prioritise