Module 9

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What type of lens is used to overcome short sightedness?

Concave

What type of lens is used to correct long sightedness?

Convex

Successful working teams have the following attributes:

Members participate in team activities but retain their own individual requirements.

Absenteeism is an indication of stress. It is what type of reaction?

Passive coping

The inability for the eyes to accommodate sufficiently is known as:

Presbyopia

Paradoxical sleep is also known as:

REM sleep

If a person is colour blind, which colours would be most difficult to see?

Red and green

What is slow wave sleep?

Stage 2- 4 sleep

What is the main effect of having hypertension?

Stroke

What part of the eye is colour sensitive?

The cones

Whose responsibility is it that an engineer remains current on new technology and procedures?

The engineer's

What part of the eye controls the amount of light that is allowed to enter the eye?

The iris

What is the reason that the body requires oxygen?

To help digest food

If a maintenance engineer has a cold or flu he should:

absent himself from duty until fully recovered, regardless of other factors

The ear is used to detect:

acceleration

Long shift work will:

always decrease your diagnostic and maintenance ability.

A good team is one where every member has:

an input

Cycles of sleep repeat:

approximately each 90 minutes.

The retina is situated:

at the back of the eye with the optic nerve

You are taking SUDAFED to relieve nasal congestion. You should:

avoid making engineering decisions or performing licensed duties.

Alertness and performance is reduced when the body temperature is:

below normal

For a person with normal Circadian rhythms, the body temperature will be lowest:

between 4 and 6 o'clock in the morning

Missing a break in an effort to get a job done within a certain time frame:

can be counterproductive, as fatigue diminishes motor skills, perception, awareness and standards.

Removal of alcohol from the blood stream:

cannot be speeded up

Large amounts of caffeine can:

cause anxiety, headaches and stress

Finding that familiar tasks (such as programming the video recorder) seems more complicated than usual, could be an early indication of:

chronic fatigue

In the human eye most of the refraction required to bring an image into focus on the retina is accomplished by the:

cornea

Light enters the eye through the:

cornea

Tiredness causes visual acuity to:

decrease

When a person gets older, their reactions:

decrease and become more accurate

Narrowing of attention occurs at:

high levels of arousal

The pupil of the eye grows smaller:

in condition of increased light

Consumption of alcohol:

increases mental and physical reaction times

The symptoms of stress are:

irritability, forgetfulness, sickness, absence from work, drug and alcohol abuse

Phase 3/4 sleep:

is most beneficial for the body's restoration

According to Maslow, safety needs (protection from potentially dangerous objects or situations)

is second only to physiological needs (food drink, oxygen etc.)

Good aircraft maintenance supervisory judgment is usually based upon:

knowledge and experience and reference to approved data.

Hypermetropia is the medical name for:

long sightedness

Human error can be caused by:

low body temperature

A person with low self-esteem is:

more likely to conform to peer pressure

If a written handover is complicated, but an overstressed engineer makes an extra effort to complete it without compliance with Rules and Regulations of the maintenance organization. This is:

motivation

The difference between what a person 'can' do and what he 'will' do is largely determined by his:

motivation

Learning of a routine by repeated practice is known as:

motor programming

In an organization which practices human factors there is:

no blame unless there is a deliberate violation

After a general anaesthetic you should:

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

Your doctor has prescribed you tranquillizers as you are suffering from depression. You should:

not work at all when taking the tranquillizers

A good rule of thumb for an adequate amount of sleep is:

one hour of high quality sleep is good for two hours of activity

The desire of an individual to 'conform' to a group by allowing one's opinions, attitudes and actions to be affected by prevailing conditions is known as:

peer pressure

The first stage in information processing is:

perception

The inability for the eyes to accommodate sufficiently is known as:

presbyopia

Due to our circadian rhythms, maintenance errors are more likely to occur when the body temperature:

reaches its lowest point

People with colour defective vision usually have difficulty differentiating between:

red and green

At lower light levels, the visual sensing is performed mainly by the:

rods

Peripheral vision is detected by the:

rods

Acute stress is:

typically intense but of short duration

Long term memory capacity is usually:

unlimited

The circadian cycle body temperature:

varies by 1.5°F

A person suffering from presbyopia would normally:

wear spectacles when reading or carrying out close detail work.

Organizational culture (whether good or bad) is best described as:

'the way we do things around here'

Ultra short term memory has a duration of about:

2 seconds

Slow wave sleep is also known as:

2 stages to 4 sleep

At what maximum frequency does the human ear hear?

20 kHz

Human Circadian rhythms cycle on a:

25 hour timescale

For a man to maintain his fitness and health the conducive maximum recommended alcohol intake is:

28 units per week

From what age does hearing ability normally begin to decline?

30

The amount of light which is allowed to enter the eye can vary by a factor of:

5:1

The average capacity of the working memory is about:

7 chunks of information

The blood/alcohol limit is:

80 milligrams of alcohol per 100 millilitres of blood for maintenance engineers.

What meal is most recommended after a long shift?

High carbohydrates

What range of sound is usually impaired first with the onset of presbycusis?

High pitch sound

What effect would the consumption of 3 - 5 units of alcohol?

Loss of quality of sleep

What defines a peer pressure situation?

Your colleagues pressuring you to work faster so they can go home.

Chronic stress is:

a frequently reoccurring stress or of long duration.

Group polarisation can result in:

a group making a more cautious or extreme decision

Motor programme refers to:

a task that has been carried out so many times that it becomes automatic

Circadian Rhythms control:

body temperature

The ideal behavior of a professional aircraft engineer is:

both person and goal directed

In the eye, the cones are used mainly in:

bright light to give fine detail

A stimulant allowed to be taken without a doctor's prescription is:

caffeine

The only permitted stimulant is:

caffeine

Long shift work:

decreases the ability to recognize defects

Memory which can be influenced by a persons expectations of what should have happened is:

episodic

The type of memory which is most easily influenced by a person's expectations of what should have happened is the:

episodic memory

An effective group work is when:

everyone contributes in some way

When someone is working in an enclosed space (such a fuel tank), another person should be outside the space in constant communication to:

for safety reasons

If you have been prescribed new medicine by your doctor you should:

give the new medication a 24 hour trial

Performance is:

greatest only at one optimum level of arousal but diminishes as arousal decreases or increases

Myopia is _______ and a ______ lens is needed to correct it:

short sightedness and concave

The 'working memory' is:

short term memory

The use of 'pep' pills by an aircraft engineer:

should never be done (except for coffee)

Sleeping tablets can:

slow reaction and dull the senses

Iconic memory:

stores visual information and lasts up to 0.5 to 1 sec

The symptoms of de-motivation are very similar to the symptoms of:

stress

Smoking cannabis:

subtly impairs performance for up to 24 hours

When taking medicine for the first time:

take the first dose at least 24 hours before any duty to ensure that it does not have any adverse effects

The eyesight of an engineer is the responsibility of:

the engineer

Peer pressure is:

the perceived pressure to conform to what you believe your colleagues expect of you.

'Confirmation bias' is:

the subconscious attention to evidence which confirms an engineer's beliefs, and inattention to evidence which contradicts his beliefs

Motivation is:

the thing that drives someone to do something

A person can be said to be motivated if:

they are taking action to achieve something


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