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Flashcards in Human Performance Deck (49)
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1

Approximately how long can the human brain survive without severe damage after being totally deprived of oxygen?

4 minutes

2

Which of the following conditions is the most common form of sudden pilot incapacitation?

Gastroenteritis

3

What sound pressure level (measured in decibels) is usually accepted as being the threshold where prolonged exposure above this level is likely to cause temporary or permanent hearing loss?

80 dB

4

Approximately how many unrelated items can be retained in short term memory?

Seven

5

Body temperature is linked to alertness and performance. Which of the following body temperatures correlate to good performance capability?

The peak of the normal body temperature cycle

6

Your 'time of useful consciousness' at 22,000 feet is approximately:

5-10 minutes

7

In which place will the vertical speed indicator (VSI) be located in an aircraft with a standardised basic instrumentation layout?

Bottom Left

8

What illusion may occur when flying into fog or haze?

objects will appear farther away then they are

9

Which of the following is true regarding divided attention?

task practice can improve a persons ability to

10

In a cockpit how should a set of controls that operate different systems ideally be designed

to both look and feel different

11

During flight, a solo pilot who experiences the following illusion of tumbling forwards following a reduction in power should....

pay attention to a trust the aircraft instruments

12

what proportion of the atmosphere is oxygen at 15000 ft

21%

13

What is the approximate time to eliminate 1 unit of alcohol from the blood

1 hour

14

How long does it take the eye to adjust to low light levels?

30 mins

15

Once eyes have adjusted to night how is it best to look at an object to obtain the best visual acuity?

Slightly to the side of the object

16

What should you do if whilst flying with a more experienced pilot whom, you consider, has chosen an incorrect course of action that may endanger the aircraft?

always express any doubts you have

17

Decision making is influenced by which factors?

The outcome of previous experience

Future decisions are made on the experience of their previous instructors

18

How should a pilot best maintain situational awareness

Consider all available data whilst updating their situation and planning ahead

19

How long can an item of information be retained in your short term memory for?

About 15 seconds

20

A sensation where you feel that you are spinning round, when in reality you are not is known as:

vertigo

21

When approaching a runway with a marked downward slope, the visual illusion caused by this situation might cause you to:

make a higher and steeper approach than is required

22

Approximately how long can the human brain survive without severe damage after being totally deprived of oxygen?

4 minutes

23

Drugs used to help you sleep:

should only be used with approval of an aviation medical expert

24

How is night vision affected by increasing altitude?

Night vision is adversely affected by low oxygen levels at altitude

25

Calculate the body mass index (BMI) for someone who is 5 ft 5 inches tall, weighing 150 lbs.

25

26

How would you treat someone suffering from hypoxia during a climb past 9,500 ft in a light aircraft?

Descend, and if available provide a supply of oxygen

27

In general, removing the cause of acute stress (or removing yourself from the cause) would:

be considered to be an example of a coping strategy

28

The somatogravic illusion is when:

acceleration causes the sensation of falling backwards (pitching upwards)

29

What name is given to the condition where the lens of the eye is not perfectly round?

Astigmatism

30

An aircraft appears dead ahead, heading towards you at a range of 2 nm. Both aircraft are travelling at a speed of 120 kts. How long do you have in order to avert a collision?

30 Seconds