62 Questions
What happens to the percentage of Oxygen in the atmosphere with an increase in altitude?
Decreases with an increase in altitude
At what approximate altitude is the atmospheric pressure half the sea-level value?
33 000 feet
Up to what altitudes can a healthy pilot operate without suffering the effects of hypoxia?
18 000 feet
At what altitude does the percentage of Oxygen in the atmosphere remain at 21%, by volume?
Throughout the majority of the atmosphere
Why do pilots need to breathe supplementary Oxygen when flying at high altitude?
Decreased atmospheric pressure, and a decrease in the partial pressure of Oxygen
What are the respective percentages of the gases that make up the atmosphere?
Nitrogen 78% Oxygen 21% Argon 0.95% Carbon Dioxide and trace gases 0.05%
What is the air pressure at 36,000 feet?
One quarter of the sea-level value
What regulates breathing?
Monitoring changes in the level of Carbon Dioxide in the blood
At what altitude will a smoker feel the symptoms of hypoxia (Oxygen starvation)?
A higher altitude than a non-smoker
On average, how long does it take to eliminate one unit of alcohol from the blood?
8 hours
What maintains a constant flow of blood around the body?
The Circulatory System
How long after prolonged inhalation of Carbon Monoxide must a pilot refrain from flying?
24 hours
How soon after donating blood should a pilot avoid flying?
48 hours
What is the main function of red blood cells?
Carry Oxygen to the tissues
What causes angina?
Insufficient blood reaching the heart muscle
Why is Carbon monoxide dangerous?
Hemoglobin has 210 times the affinity for it than it has for Oxygen
What are the damaging levels of alcohol for men and women based on?
Per week
What is the light-sensitive tissue lining the rear of the eyeball which contains rods and cones known as?
The retina
Which of the following represents the three parts of the ear?
Outer, middle and inner
What are the bones in the middle ear collectively known as?
The ossicles
What is the range of sounds a fit young person can detect?
$20$ and $20,000$ Hertz
What is the function of the eustachian tube?
Equalize pressure between the middle and inner ear
What may result in permanent hearing loss from continuous exposure?
Noise in excess of 90 decibels
What is permanent deafness associated with old age known as?
Presbycusis
What is the main function of the vestibular apparatus?
Detect angular and linear accelerations
How does motion sickness arise?
A mismatch between visual and vestibular signals
Which conditions are symptomatic of motion sickness?
i, iii, iv and vi
What is the cause of conductive deafness?
Damage to the Ossicles and/or the Ear-Drum
What part of the ear senses linear accelerations?
The Otoliths in the Vestibular Apparatus
When a pilot is flying an approach to a runway that is smaller than the runways they are used to, how will the runway appear?
The runway will appear nearer than it is in reality
When a pilot is flying an approach to a runway that is bigger than the runways they are used to, how will the runway appear?
The runway will appear further away than it is in reality
As a captain of an aircraft, which one of the following is not a required leadership skill?
Aggressive assertiveness
In a situation with marginal weather conditions and a strong crosswind, what decision should a competent assessor of risk make?
Reschedule the flight for another time, discounting the immediate disappointment to your friends
What does mental overload usually lead to?
Leads to degraded performance
As an experienced pilot, what should you do if you see someone of much greater experience do something you consider to be dangerous?
Do nothing for the moment, but check the wisdom and correctness of his action by discussing it with an instructor after you have landed
What will a moderate level of arousal lead to?
Produce interest in external events and performing tasks
Which life event is considered to produce the most stress?
Death of a partner or spouse
When placed in the same or similar stressful situation a second time, how will a person react if they have successfully overcome it once?
Stress will reduce because having already successfully overcome the stressful situation, he will be confident he can do so again
What is an important factor to remember with regard to stress factors?
They are cumulative
What does the relationship between arousal and performance mean?
Performance is degraded by under-arousal and improved by over-arousal
What statement about stress is false?
All people react in the same way to the same stressful situation
Which of the following is NOT a basic consideration governing the way controls should be both designed and arranged?
Controls should be standardized between aircraft, in terms of their shape and materials only
You are preparing for a training flight with an instructor and cannot find your checklist. What should you do?
Take time to find the checklist even at the risk of missing part of your airborne time
Which of the following occur(s) when a pilot is sitting too high in a cockpit?
Poor view of instruments and upwards outside view obstructed
An analogue display is generally better than a digital display for showing which sort of data?
Qualitative
A standard 'T' layout has the artificial horizon or attitude indicator at the centre. What is NOT included in the rest of the 'T'?
The compass
Which of the following actions does NOT constitute a pilot error when carrying out checks from a check list?
Carrying out checks diligently and expeditiously
Compared to a Non-smoker, someone who smokes is likely to experience the effects of hypoxia at:
A lower altitude
108
The partial pressure of oxygen.
After SCUBA diving to a depth of just over 30 ft, using compressed air, it is recommended that the person does not fly for:
12 hours
A likely symptom or likely symptoms of Hypoxia might be:
Answers a and c.
You have two passengers in your unpressurized aircraft and, at an altitude of 8000 ft, one of them displays Symptoms of hpoxia but the other does not.
Is suffering from blocked sinuses.
If you have suffered prolonged exposure to exhaust gases, What period of time should elapse before you Pilot an aircraft.
12 Hours.
Why do aircrew and passengers suffer from lack of Oxygen at high altitude?
Because of the lower atmospheric pressure at altitude.
How long should a pilot wait before flying following a local anesthetic and following a general anesthetic?
12 hours following a local anesthetic and 48 hours following a general anesthetic
At what rate does the body remove alcohol from the blood?
50 milligrams per 100 milliliters per hour
Which of the answer options below includes three important health risks to which obese people are exposed by virtue of excessive body weight?
Heart attack, blood circulatory problems, hypertension
What are unconditioned reflexes?
Those which are instinctive
Why is perception one of the most important aspects of information processing?
Sensory information is modeled into a meaningful structure
"Chunking" is:
A method of increasing the number of unrelated items held in working memory
The three parts of long-term memory are classified as:
Semantic, episodic and procedural
What is an Illusion?
When perception is not the same as the real world
Test your knowledge on anesthesia recovery and alcohol metabolism with this quiz. Answer questions about the duration of anesthesia effects and the rate of alcohol removal from the blood.
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