Chapter 10: Overload and Underload (PP ch 13) Flashcards

1
Q
Stress Types (2)
Stress Characteristics (2)
A

Eustress = cope, learn, adapt
Distress = out of control
Subjectif and cumulatif

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2
Q

Stressors Types (5)

A
Environmental
Life (not work)
Organisational (work)
Reactive
Anxiety
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3
Q
Environmental Stressors (6)
What does environmental stressor do to body?
A

Homeostastis strained / nullified bc. of Env. stressors

Internal: hungry, fatigue
External: Temperature (hypothermia & hyperthermia)
Vibrations
Noise
Humidity
Glare
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4
Q
Hypothermia Stages (2) and few symptoms
Hyperthermia Stages (2) and few symptoms
A

< 35C: shiver, vasoconstriction, pale, aparthy, frostbite
< 32C: stop shiver, unconscious, death
> 38C: heat exertion, dehydration
> 40C: heat stroke, nausea, fatigue, brain swelling

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5
Q

Vibration Stressor Ranges (5) and few symptoms

A
1 - 4 Hz: breathing, neck pain
4 - 10: chest, abdominal pain
8 - 12: back ache
10 - 20: headache, eye strain, speech difficulties
30 - 40: visual acuity
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6
Q

Humidity
Ideal Humidity, AC Humidity
Help with Humidity
Body Adaptation Time for Hot/Humid Climate

A

Ideal = 40 - 60%
AC = 10 - 20% as low as 3%
use aqueous creams
2 weeks

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7
Q

Biggest Reason for Life / Organisational Stressor

What is Reactive Stressor

A

Life = death of spouse
Reactive = can’t cope with task
i.e. running out of time, task too great
Organisational: lack of hands on flying

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8
Q

Arousal
What is? What NS? Effects of acute stress on body (7)
What call 3 stages of acute stress

A

Body response to stress
Sympathetic
Effects: HR, breathing, blood sugar, sweating, slow digestion, strength+, senses+
Selye’s general adaptation syndrome (GAS)

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9
Q

GAS

What is? Stages (3) + Chemicals Released Stage 1 + 2

A

Selye’s general adaptation syndrome (GAS)

Stage 1: alarm
adrenaline (epinephrine), corticosteroids (release sugar)

Stage 2: resistance
if pb dealt -> remove waste product
if not -> cortisone (painkiller)

Stage 3: Exhaustion
strain on body, hearing -, long term damage if sustained

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10
Q
GAS
Reactions Type (3)
A

Psychological
Psychosomatic ( hormones, chemicals)
Somatic

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11
Q

Stress Curve

Shape? Parts Curve (3)? Particular Point on Curve?

A
Parabolic shape
Under aroused = sub obtimal
Moderate = optimal
Over aroused = stress zone
Break point = small tasks become hard
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12
Q

Overload

Psychological (12), Emotional (4), Physical (5) Symptoms

A

Psy: errors, prioritize-, confirmation bias, approx, tunneling, filtering, regression, escape, concentration, decision making, fast execution

Emotional: anxious, nervous, teary, depressed

Phy: digestion, strokes, heart attack, dry mouth, tense muscles

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13
Q

Underload

Symptoms (5)

A

Bored, sleepy, situational awareness, performance, complacency

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14
Q

Stress Coping

Approaches (3)

A

Direction action: remove stressor, remove yourself
Cognitive coping: rationalize
Symptom directed coping: treat symptoms

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15
Q

Stress Management

Ways of Minimizing Stress (3)

A

Preventive: keep stress mini
Curative: reduce effect of existing stress

Sports, relaxation techniques, counseling

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16
Q

Cockpit Stress

Techniques (5)

A
SOP
Briefings
Communication
CRM
Decision making strategy