Human Performance & Limitations

Question 1

Who in the Aviation Industry is responsible for flight safety?

Answer 1

Everyone Involved

Question 2

Assuming normal circumstances, which gas will diffuse from the blood to
the lungs?

Answer 2

Carbon Dioxide

Question 3

The average pulse rate of a healthy adult in rest is about:

Answer 3

60/80 heartbeats per minute

Question 4

The temperature laps rate within the atmosphere

Answer 4

IISA Standard deviation of 2 degrees celsius /1000 feet

Question 5

Which of the following can cause anaemic hypoxia?

Answer 5

Smoking

Question 6

A person is considered overweight when the BMI

Answer 6

25+

Question 7

The risk of hypoxia in a person increases at altitude_____ if they smoke:

Answer 7

Increase

Question 8

If the seating position is lower than the design eye position, this will have
the effect of:

Answer 8

Reducing forward visibility on approach

Question 9

Out of all the possible measure to counteract hyperventilation, the most
effective is:

Answer 9

Breathe into a plastic or paper bag

Question 10

The respiratory process consists of:

Answer 10

The diffusion of oxygen through the respiratory membranes into the
blood transportation and diffusion to the cell and elimination of carbon
dioxide.

Question 11

Hypoxia can occur because…

Answer 11

the percentage of oxygen is lower at high altitude

Question 12

The composition of the atmosphere from sea level to around 60,000ft
retains the proportions of:

Answer 12

78% Nitrogen, 21% Oxygen, 1% other gases.

Question 13

By “long duration acceleration”, we mean that it lasts more than:

Answer 13

1 second

Question 14

The eye can fully adjust to:

Answer 14

High levels of illumination in 10 seconds and darkness in 30 minutes

Question 15

Performance is adversely affected by:

Answer 15

High and low arousal only

Question 16

When a pilot is approaching a runway that is wider than he used to the
aircraft will appear to be:

Answer 16

Low on the approach

Question 17

Hyperventilation means breathing:

Answer 17

More deeply and frequently than is necessary

Question 18

How does haze affect your perception?

Answer 18

Objects seem to be further away than in reality

Question 19

The most probable reason for spatial disorientation is:

Answer 19

a poor instrument cross-check and permanently transitioning back
and forth between instrument and visual references

Question 20

The amount of light that strikes the retina is controlled by:

Answer 20

Pupil

Question 21

Which of the following situation is most likely to produce sensory
habituation?

Answer 21

Making a co-ordinated turn for more than 30 seconds

Question 22

In order to get colour vision, it is necessary:

Answer 22

For there to be a sufficient amount of light

Question 23

Glaucoma is a condition…

Answer 23

detected by pressure testing the eyeball

Question 24

The time an eye needs to adapt fully to the dark is about:

Answer 24

25-30 minutes

Question 25

You fly VFR from your home base (runway width 27m) to an international
airport (runway width 45m). on reaching your destination there is a risk
performing:

Answer 25

High approach with overshoot

Question 26

What can be done to overcome the effects of motion sickness

Answer 26

During manoeuvres, place your head on the headrest

Question 27

Hypoglycaemia is potentially a dangerous condition and can affect
healthy people. What can cause hypoglycaemia?

Answer 27

Lack of food followed by mental stress

Question 28

The black hole phenomenon occurs during approaches at night and over
water, jungle or desert. When the pilot is lacking visual cues other than
those of the aerodrome, there is an illusion of:

Answer 28

Being too high or too far away, dropping low and landing short

Question 29

Positive G will cause the blood flow to the brain to:

Answer 29

Decrease

Question 30

The concentration of Oxygen in the atmosphere is:

Answer 30

Highest at ground level

Question 31

The composition of the atmosphere from sea level to around 60,000ft
retains the proportions of:

Answer 31

78% Nitrogen, 21% Oxygen, 1% other gases.

Question 32

Which of the following promotes the most serious cause of coronary heart
disease?

Answer 32

Obesity

Question 33

Are you fit to fly if you different symptoms of cold?

Answer 33

No

Question 34

How many units of alcohol are expelled from the body in 2 hours?

Answer 34

2 units

Question 35

You have been on holiday and have enjoyed some scuba diving. You have
not exceeded a depth of 30 feet with the equipment. The recommended
time interval before you fly again:

Answer 35

12 Hours

Question 36

The most effective visual scanning technique is to:

Answer 36

Regular short movement of the eyes

Question 37

Performance is adversely affected by:

Answer 37

High and low arousal only

Question 38

The most common symptoms of gastroenteritis include

Answer 38

1. Diarrhea
2. Vomiting
3. Stomach cramps
4. Sudden fever

Question 39

You are most likely to experience the illusory perception of a pitch up
during:

Answer 39

A go around

Question 40

When looking at an object at night, it is recommended to look:

Answer 40

Slightly to one side of the Object

Question 41

An aircraft deceleration

Answer 41

An aircraft deceleration

Question 42

In conductive deafness, there has been failure of the:

Answer 42

Eardrum or ossicles

Question 43

Emotional stresses as a result of marital problem, family illness, death
of near family etc

Answer 43

Sociological stress

Question 44

When a pilot is approaching a runway that is wider than he is used to, the
aircraft will appear to be:

Answer 44

Low on approach