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Human Factors > Part 2 > Flashcards

Part 2 Flashcards

1
Q

Acute stress is
A) typically intense but of short duration
B) a frequently reoccurring stress or of long duration
C) intense stress of long duration

A

A) typically intense but of short duration

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2
Q

During the cycle of sleep, the deepest stage/Phase occurs during the:
A) stage 5 of sleep cycle
B) stage 4 of sleep cycle
C) stage 3 of sleep cycle
D) stage 2 of sleep cycle

A

B) stage 4 of sleep cycle

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3
Q

Extreme discomfort experienced by a maintenance engineer due to working in a
confined space is known as
A) claustrophobia
B) agoraphobia
C) acrophobia

A

A) claustrophobia

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4
Q

Removal process of alcohol from blood is speeded up
A) By drinking a strong coffee
B) By sleeping, as metabolic system is slower
C) None of the above, removal of alcohol takes place at a fixed rate

A

C) None of the above, removal of alcohol takes place at a fixed rate

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5
Q

The deepest phase of sleep occurs:
A) Earlier in the night or within the first two hours of sleep
B) Later in the night or after 3-4 hours of sleep
C) During the last stage of sleep or after 5 or 6 hour of sleep

A

A) Earlier in the night or within the first two hours of sleep

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6
Q

Perception involves the organization and interpretation of:
A) Sensory data
B) Decision making process
C) The iconic memory

A

A) Sensory data

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7
Q
  1. Body temperature and human performance capability are both at their lowest:
    A) During 3-5 o’clock am
    B) During 12-2 o’clock am
    C) During 2-3 o’clock am
A

A) During 3-5 o’clock am

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8
Q

Situation awareness refers to the ability of a person to:
A) Perceive, comprehend, interpret situation, and messages.
B) Understand his role within his own working environment.
C) Be able to always get his way.
D) Elicit information and respond or act accordingly

A

A) Perceive, comprehend, interpret situation, and messages.

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9
Q

The cycles of body temperature, sleep requirement and alertness are called
A) earth cycles
B) ecto - meridian cycles
C) circadian rhythms

A

C) circadian rhythms

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10
Q

The capacity of the short term memory (or working memory) is
A) 4 ± 2 items
B) 7 ± 2 items
C) 10 ± 2 items

A

B) 7 ± 2 items

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11
Q

Memory can be considered:
A) The faculty possessed by individuals, to store and retain knowledge and
experiences
B) The faculty possessed by individuals to store, retain knowledge and discard
irrelevant information
C) The faculty possessed by individuals to store, and retain information as well on
the ability to retrieve information

A

C) The faculty possessed by individuals to store, and retain information as well on
the ability to retrieve information

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12
Q

“Peer Pressure” is:
A) The Pressure that is exercised by management/leadership
B) The Pressure that is induced at work among the group members
C) The Pressure that is primary self-induced

A

B) The Pressure that is induced at work among the group members

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13
Q

Chronic stress is
A) typically intense but of short duration
B) a frequently reoccurring stress or of long duration
C) intense stress of long duration

A

B) a frequently reoccurring stress or of long duration

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14
Q

During the sleep cycle the heart rate, the blood pressure and body temperature are at
their lowest level during:
A) The first stage of sleep cycle
B) The second and third stage of sleep cycle
C) The fourth stage of sleep cycle

A

C) The fourth stage of sleep cycle

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15
Q

Claustrophobia is defined as the:
A) Fear of being in an enclosed space (fuel tanks, cramped conditions)
B) Fear of working in elevated area (cherry-pickers or staging)
C) Fear of wearing breathing apparatus

A

A) Fear of being in an enclosed space (fuel tanks, cramped conditions)

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16
Q

Human error has been identified an a casual factor at what percentage of aviation
accidents and incidents.
A) 70 - 80 %
B) 40 - 50 %
C) 50 - 60 %
D) 30 - 40 %

A

A) 70 - 80 %

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17
Q

Paradoxical sleep is also known as
A) Stage 3 sleep
B) Stage 4 sleep
C) REM sleep

A

C) REM sleep

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18
Q

Ultra short term memory has a duration of about
A) 2 seconds
B) 10 to 20 seconds
C) 80 - 100 milliseconds

A

A) 2 seconds

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19
Q

The human information process model utilizes primarily the:
A) Sensory receptors
B) Attention mechanism
C) Short and long term memory

A

A) Sensory receptors

20
Q

As a general rule aircraft maintenance engineers should not work for at least:
A) 6 hours after drinking even small quantities of alcohol
B) 7 hours after drinking even small quantities of alcohol
C) 8 hours after drinking even small quantities of alcohol

A

C) 8 hours after drinking even small quantities of alcohol

21
Q

Iconic memory
A) stores visual information and lasts up to 1/2 second
B) stores sounds and lasts up to 2 seconds
C) stores visual information and lasts up to 2 seconds

A

A) stores visual information and lasts up to 1/2 second

22
Q

Long shift work
A) decreases the ability to recognize defects
B) increases the ability to recognize defects
C) has no effect on the ability to recognize defects

A

A) decreases the ability to recognize defects

23
Q

The concentration of the mind on sensory or mental events is related to:
A) Perception
B) Memory
C) Attention

A

C) Attention

24
Q

Sleep is a natural state where:
A) Man’s brain physiology is revived
B) Man’s body and brain physiology are revived
C) Man’s body restoration is restored

A

B) Man’s body and brain physiology are revived

25
Q

Environmental stresses are
A) caused by noise, fumes, heat and vibration
B) not normally cumulative
C) tolerated by everyone equally

A

A) caused by noise, fumes, heat and vibration

26
Q

Work pressure due to work load, as well as,lack of assertiveness are parameters
which induce stress and affect performance.One way controlling above stress is to:
A) Take your time and relax to reduce level of stress.
B) Speak up,expressing your view,ask for help or extra time as required.
C) Make a rational plan.
D) Look into the situation rationally

A

B) Speak up,expressing your view,ask for help or extra time as required

27
Q

What is perception?
A) The process of assembling sensations into a useable mental representation of
the world.
B) The process of thinking, problem solving and judgement.
C) The process of storing and retaining information.

A

A) The process of assembling sensations into a useable mental representation of
the world.

28
Q

How physical stimuli are received?
A) Through the sensory receptors.
B) Through the sensory stores.
C) Through the memory.

A

A) Through the sensory receptors.

29
Q

Human Circadian Rhythms cycle on a :
A) 24 hour timescale.
B) 25 hour timescale.
C) 12 hour timescale.

A

B) 25 hour timescale.

30
Q

What is a repetitive task?
A) A task that engineers have become so practiced on it and they cease to consult
the appropriate maintenance manual.
B) A task that engineers are not practiced on it.
C) A task that needs continuous consultation of the maintenance manual due to
insecurity.

A

A) A task that engineers have become so practiced on it and they cease to consult
the appropriate maintenance manual.

31
Q

Which is considered to be the deepest stage of sleep?

A

Stage 4

32
Q

What is ‘’claustrophobia’’?

A

The fear of closed places, spaces…

33
Q

Mention 3 factors that increase the physiological fatigue.

A

lack of sleep, working during sleeping hours, working overtime, rotating shifts,
complexity of tasks, poor environmental factors, poor diet and health, stress.

34
Q

Apart from the Ultra Short and Short Term memory, which is the third type of
memory?

A

Long-Term Memory

35
Q

Mention a symptom of jet lag

A

insomnia, disturbed sleep patterns, irritability, poor appetite, indigestion,
disorientation.

36
Q

Mention a type of phobia…

A

claustrophobia, acrophobia

37
Q

How many are the stages of sleep?

A

5 (4 stages + REM)

38
Q

Mention one factor of healthy living…

A

diet,exercise, sleep, medical check-ups, not much alcohol, no drugs, good personal
habits

39
Q

What does R.E.M. stand for?

A

Rapid Eye Movement

40
Q

The type of memory which is most easily influenced by a person’s expectations of
what should have happened is the…
A) semantic memory.
B) episodic memory.
C) long term memory.

A

B) episodic memory.

41
Q

What is peer group pressure?
A) The influence the House of Lords have over the House of Commons.
B) Our behaviour influenced by our friends and colleagues.
C) The influence an individual has over a group of people

A

B) Our behaviour influenced by our friends and colleagues.

42
Q

What does occur during R.E.M. sleep?
A) The strengthening and organization of memories.
B) The heart rate slows and muscles relax.
C) Heart rate, blood pressure and body temperature drop.

A

A) The strengthening and organization of memories

43
Q

After a general anaesthetic you should
A) return to work as soon as possible.
B) take at least 7 days off work.
C) not return to work for at least 24 to 48 hours (depending on the individual).

A

C) not return to work for at least 24 to 48 hours (depending on the individual).

44
Q

When working with bright lights consideration should be given to…
A) glare.
B) shadows.
C) blurred image.

A

A) glare.

45
Q
  1. What could be the stressor when working under bad environmental conditions?
    A) Physical stressor.
    B) Reactive stressor.
    C) Psychological stressor.
A

A) Physical stressor.

Human Factors (4 decks)

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