Revision tests Flashcards
1
Q
Type of human errors which feature commonly in aircraft accidents are?
A
Errors in judgement or poor decision making
2
Q
The most common cause of pilot incapacitation during flight is?
A
Food or drink poisoning
3
Q
Dehydration is more likely to be experienced after several hours at?
A
At high altitude on a dry day
4
Q
Symptoms of dehydration include…
A
- Drying of the nasal passage
- Prickly sensation in eyes
5
Q
The CASA has recommended a period on the ground after making a blood donation of…
A
-24 hours
6
Q
CAR 256 requires total abstinence by all pilots from any alcohol for a period of…
A
- 8 hours before departure
7
Q
What should you do if you want to take any drugs?
A
- Get the opinion of a DAME before using any drugs
8
Q
Discomfort or pain in the ears or sinuses is most likely during
A
- High rates of descent in unpressurized aircraft
9
Q
If an otherwise pilot suffers from a bout of dizzy spells, the appropriate action required under CASR 67.205 would be:
A
- Notify a DAME and refrain from all flying until cleared
10
Q
Pilots can best assist airsick passengers by
A
- Flying as smoothly as possible and making all manouvres and descents gentle
11
Q
What is a condition which is caused by excessive uric acid in the blood and can be aggravated by poor diet?
A
- Gout
12
Q
Which of the following would NOT be likely to result from flying with a severe cold?
- Dizziness caused by pressure build-up in the middle ear
- Discomfort or pain in the ears during a rapid descent
- Blurring of vision
- Rupturing of the eardrum
A
- Blurring of vision
13
Q
It is generally accepted that human error can be totally eliminated from aviation with proper training and standard operating procedures
A
- This statement is false
14
Q
Too much salt in the diet can lead to
A
- High blood pressure
15
Q
Foods most likely to produce intestinal gases are
A
- Green vegetables
16
Q
Obesity has been linked with which of the following health problems
A
- High blood pressure, gout, diabetes and heart disease
17
Q
Too little iron in the diet can lead to which of the following health problems?
A
- Anemia
18
Q
High blood pressure is a common cause of disqualification on medical grounds. Which of the following is hypertension most directly linked?
A
- Heart disease
19
Q
On a hot dry day, it is possible for the body to lose about 5 liters of water
A
- Yes
20
Q
One of the common characteristics of aging is a deterioration of hearing. This is usually noticed first i…
A
- High frequencies
21
Q
The purpose of the Eustachian tube in the human respiratory system is to connect the…
A
- Middle ear to the throat
22
Q
The primary cause of pilot incapacitation in flight is…
A
- Gastrointestinal disorders
23
Q
A person flying with a head cold would not usually be affected…
A
Hypertropia
24
Q
The recommended period of time between blood donations and commencement of flying duties is…
A
24 hours
25
If suffering from heat stress, a pilot should...
Drink more fluid than dictated by thirst alone
26
Pilots who are inclined to suffer from air sickness...
Should use caution when using travel sickness preparations
27
The valsalve manouvre-
Is more likely to be needed on descent than a climb
28
An excessively cold environment does not pose the danger of-
Feeling of elation
29
An obese pilot with hypertension would be unlikely to suffer from-
Difficulty breathing due to lung cancer
30
The painful condition known as barotrauma is most likely to occur-
With an increase in differential pressure inside and outside the body on descent
31
The ideal relative humidity for passenger comfort in a jet transport aircraft is considered to be-
4-60%
32
On long-haul flights at high altitudes, the relative humidity in the cabin may fall below comfortable levels. The relative humidity considered optimal for human comfort is-
40-60%
33
During a descent with blocked eustachian tubes, the gas volume in the middle ear
Decreases
34
Sinus pain experienced by a pilot in an unpressurized cabin is most likely with-
A head cold during descent
35
Select the lowest operating environment temperature at which the symptoms of heat stress are likely to occur-
32 degrees
36
If you pinch yourself just above the hip, a good level of fitness is indicated if the fold of flesh in your grasp has a thickness of about-
12mm
37
The best way to guard against dehydration is to
Drink regularly throughout the day
38
The period of validity of a medical certificate unless otherwise cancelled or suspended is....
- 4 years for students and private pilot licences under 40 years old
- 1 year for commercial licences
39
The most important process by which alcohol is removed from the body after the consumption of an alcoholic drink is-
- Through chemical breakdown in the liver (metabolism)
40
For the average male, the rate at which alcohol can be metabolized is equivalent to one.....
-Standard drink per hour
41
Hyperventilation is likely to result in....
-A change in the acidity of the blood caused by a drop in carbon dioxide
42
Abdominal pain caused by the expansion of gases within the body is most likely to be associated with....
-A rapid climb in a high-performance unpressurized aircraft
43
At an altitude of 18,000ft the ambient atmospheric pressure is approx...
-One-tenth of its sea-level pressure
44
At a depth of about 30ft, the underwater pressure is closest to...
- Two times normal sea-level atmospheric pressure
45
Antihistamines are commonly found in cold and flu medications. The side effects of antihistamines include....
-Drowsiness
46
Decompression sickness or the bends is caused by
- The release of dissolved nitrogen from the blood during a rapid ascent from deep water
47
A scuba diver has just completed a dive which did require decompression stops but eas of less than 4 hours duration. The minimum recommended period which should be allowed before flying is
12 hours
48
Which of the following would be an appropriate way to combat the effects of hyperventilation?
Make a conscious effort to slow down the breathing rate
49
Which of the following is most likely to reduce the oxygen-carrying capacity of the blood?
- Cigarette smoking
50
After heavy drinking, even though the blood alcohol level has returned to zero, some deterioration in physical and mental performance is likely to persist for up to...
- 24 hours
51
Hyperventilation is caused by...
-Breathing too fast and or too deep for the body's requirements
52
To which drug family does alcohol belong to....
- Depressants
53
For how many hours after ingestion can alcohol still be detected in the brain cells?
- 24 hours
54
Alcohol can still be detected in the blood for...
- 14 hours after ingestion
55
Which of the following would be an appropriate remedy for a person who is suffering the effects of hyperventilation?
- Breathe into a paper bag
56
If it becomes necessary to take sleeping tablets, how much time should you allow before flying?
- 24 hours
57
If a pilot has completed a scuba dive which required decompression stops during ascent and was more than 4 hours duration, what applies to waiting time?
-At rest at sea level of at least 48 hours is requierd before flying
58
The minimum time specified in the CAR's between alcohol consumption and taking off is...
- 8 hours, which may not be sufficecint in some cases
59
The symptoms of hyperventilation include:
- Tingling and numbness in the hands and feet
60
A pilot has just completed a scuba dive of 5 hours duration to a depth of 40ft during which compression stops were required on the way back to the surface. The recommended rest at sea level before a flight at a cabin altitude of 6,000ft is-
- 48 Hours
61
While flying, a pilot suffering from an upper respiratory tract infection is liable to...
- Suffer from pressure vertigo
62
If you become aware of any change in medical condition that indicates that you no longer meet the relevant medical standard....
You may not carry out any function authorised by your licence until you have advised CASA or a DAME
63
The maximum period which a flight crew licence holder can suffer an impairment of efficiency relating to an act authorised by the licence, without DAME certification that the impairment no longer exists is....
- 7 days for commercial pilots
64
After a 3 hour session of diving, with decompression stops, the maximum time recommended before flying again is-
- 12 hours
65
During a climb, expanding gas is most likely to cause severe pain and discomfort when it is trapped in the
- Small bowel
66
Information about analgesics-
- They may be used by pilots but only for short term pain relief
67
The upper limit of alcohol intake of standard drinks over a period of one week is-
- 28 for men and 21 for women
68
it is always advisable to check with a DAME before taking
- Any over the counter or prescribed medication
69
One of the functions of the outer ear is to....
- Protect the eardrum from intrusions of insects, dust etc.
70
What is the function of the middle ear...
- To amplify the vibrations arriving at the eardrum and transfer them to the cochlea
71
What is a function of the inner ear?
- To convert the mechanical energy of vibrations to nerve impulses and assist in maintaining the sense of balance
72
What serves to detect the loudness and pitch of the sound by converting the mechanical energy of vibration to electrical impulses?
- The cochlea
73
What mediates the sense of balance?
- The semicircular canal
74
As a rough guide, hearing protection should be worn if the ambient noise levels are such that it is necessary to shout to conduct a conversation over a distance of....
- Half a metre
75
Deterioration of hearing caused by exposure to loud noise usually occurs first....
- In the high-frequency range, above normal speech
76
A decibel is a unit used to measure...
- The intensity or loudness of sound
77
Hertz are used to measure...
- The frequency or pitch of sound
78
Continuous exposure to high noise level in the cockpit should be avoided because....
- The effect is cumulative and can eventually lead to deafness
- Stress levels are increased and concentration levels are decreased
- General performance and efficiency is reduced
79
What is the minimum intensity of noise that would result in the sensation of pain in ears?
- 140db
80
What is the minimum noise level that would mark the onset of temporary or permanent deafness after prolonged exposure?
- 85db
81
What is the function of the eustachian tube in the human respiratory system?
- It connects the middle ear to the throat cavity
82
Hearing loss due to long-term exposure to high noise levels are usually first noticed in the loss of sensitivity to.....
- High-frequency sounds
83
Above which noise level is it recommended that hearing protection be worn?
- 85db
84
Which part of the ear is most affected by pressure differences when the eustachian tube is blocked?
- The middle ear
85
If a head cold causes a blockage in the eustachian tube, where is the blockage most likely to occur?
- At the bottom where the tube enters the nasal passage
86
Which component of the inner ear senses changes in speed with constant direction?
-The otolith organ
87
When established in a balanced level turn at a constant bank angle, the hair-like cells of the semicircular canals will be....
- In the rest position with no deflection
88
The term frequency, when applied to sound, is most closely related to...
- The number of pressure waves arriving at the ear in each second
89
The minimum noise level which could cause a person to suffer temporary or permanent hearing loss after exposure to sustained level is...
- 85db
90
The organ which provides a person with a sense of balance is the....
- Semicircular canals
91
During constant angular acceleration, the hair-like sensors in the semicircular canals are...
- Upright (zero deflection)
92
Hyperventilation is caused by...
- Breathing too rapidly for the amount of activity
93
The part of the ear which converts sounds into nerve impulses is the...
- Cochlea
94
The anatomy of the ear which acts as a linear accelerometer is the...
- Otolith
95
Temporary or permanent hearing loss can be caused by sustained noise exposure at levels....
- Typically found in the cockpit of a light aircraft
96
Exposure to sustained high noise levels...
- May cause permanent hearing loss
97
A guide as to when hearing protection should be worn is...
- If you must yell to be heard 0.5 meters away
98
Hearing loss due to long-term exposure to high noise levels usually initially affects...
- Detection of high-frequency sounds
99
It is strongly advised that hearing protections such as a good quality headset should be worn...
- At all times during the flight
100
The function of the hammer, anvil and stirrup is to transfer vibrations from...
- The eardrum to the inner ear
