During flight all crew members have one or more of the following symptoms .1 ? [ Exam pilot ]

Question 107-1 : Hypoxia glaucoma hypothermia hypoglycaemia

Which measure s will help to compensate for hypoxia .1 descend below 10 000 ft ?

Question 107-2 : 1 2 and 4 are correct 1 2 and 3 are correct only 1 is correct 1 and 2 are correct 3 and 4 are false

exemple 211 1, 2 and 4 are correct. — 1, 2 and 4 are correct.

Oxygen combined with haemoglobin in blood is transported by ?

Question 107-3 : Red blood cells platelets blood plasma white blood cells

exemple 215 Red blood cells. — Red blood cells.

Haemoglobin is ?

Question 107-4 : In the red blood cells in the platelets dissolved in the plasma in the white blood cells

exemple 219 In the red blood cells. — In the red blood cells.

The following course of action should be taken if gastrointestinal complaints ?

Question 107-5 : 2 3 1 2 4 1 4 1 3

Which of the following systems are involved in motion sickness .1 hearing.2 ?

Question 107-6 : 2 3 4 5 1 2 3 2 3 4 1 2 5

exemple 227 2, 3, 4, 5. — . motion sickness is an inexpedient seemingly meaningless reaction to a balance system stimulation the currently most widely accepted theory of the aetiology of motion sickness has been suggested by reason semantically it is contradictory that motion sickness under certain circumstances can be caused by the absence of motion if a person has been adapted to a motion environment like a ship and returns to a normal non moving environment he may become sick. mal de débarquement an experienced pilot flying a simulator easily feels sick due to the lack of.the customary vestibular stimuli in the simulator and may feel embarrassed when he realises that.a much less experienced pilot not habituated to the intimate correlation between certain visual and inertial stimuli of flying does not experience any simulator sickness symptoms at all .motion sickness symptomatology can be described as an avalanche of symptoms developing at various speeds culminating in nausea and vomiting the important initial symptoms are drowsiness the first to yawn is the first to throw up and headache then hyper salivation bodily.warmth cold sweat paleness and various degrees of mental depression or apathy develop this is.accompanied by the development of an awareness of the stomach into epigastrial discomfort and retching at the same time a feeling of nausea located to the throat develops culminating in.vomiting followed by a return to an earlier step of the symptomatology very often just to realise.that a new development of symptoms is on its way 2, 3, 4, 5.

In the absence of external reference points the sensation that the vehicle in ?

Question 107-7 : Illusion of relative movement autokinetic illusion cognitive illusion somato gravic illusion

exemple 231 Illusion of relative movement. — Illusion of relative movement.

Which of the following illusions are brought about by conflicts between the ?

Question 107-8 : 1 4 2 3 4 2 3 4

exemple 235 1, 4. — .conflicts between the visual system and the vestibular system can occur when . there is visual stimulation in the absence of vestibular stimulation . there is a delay between vestibular sensations of motion and corresponding movements of a visual scene . the motions of a visual scene are distorted compared with motions of the head 1, 4.

The vestibular system is composed of .1 two ventricles.2 a saccule.3 a ?

Question 107-9 : 2 3 4 1 4 2 3 1 3 4

Which of the following statement s is/are correct .1 the retina has rods on ?

Question 107-10 : 1 3 4 1 2 3

. /com en/com040 388a jpg. /com en/com040 388b jpg.the numbers of rods and cones vary over the surface of the retina the percentage of cones is not equal but is as follows blue 4% green 32% and red 64% in addition the cones are differentially distributed in the retina the center of the retina has a dense concentration of cones but no rods while the periphery has many rods but few cones .cones are active at high light levels and allow us to see color and fine detail directly in front of us .the rods allow for night vision

In order to perceive colour vision it is necessary .1 for there to be a ?

Question 107-11 : 1 1 2 3 2 4 3

The retina allows for colour perception as a result of the ?

Question 107-12 : Cones located in its central part rods located in its central part crystalline lens rods located in its peripheral zone

exemple 251 Cones located in its central part. — Cones located in its central part.

Accommodation which enables a clear image to be obtained is accomplished by ?

Question 107-13 : The crystalline lens the rods the cones the retina

exemple 255 The crystalline lens. — The crystalline lens.

In civil air transport linear accelerations gx .1 do not exist.2 have slight ?

Question 107-14 : 2 4 1 3 4 3

exemple 259 2, 4. — Please download the faa publication concerning acceleration in aviation .pdf935 2, 4.

Which of the following mechanisms regulate body temperature when exposed to ?

Question 107-15 : 3 4 1 3 4 2 3 1

exemple 263 3, 4. — .sweating and vaso dilation are reactions to high temperatures .shivering and vaso constriction are reactions to low temperatures 3, 4.

The following can be observed when the internal body temperature falls below ?

Question 107-16 : Shivering will tend to cease and be followed by the onset of apathy the appearance of intense shivering mental disorders and even coma profuse sweating

exemple 267 Shivering, will tend to cease, and be followed by the onset of apathy. — Shivering, will tend to cease, and be followed by the onset of apathy.

We can observe the following in relation to a state of hypothermia ?

Question 107-17 : Reasoning problems as soon as body temperature falls below 37°c a substantial increase in internal body temperature whereas peripheral temperature at the skin is stable widespread pain in the joints greater capacity for adaptation than in a hot atmosphere

exemple 271 Reasoning problems as soon as body temperature falls below 37°c. — Ocense95 .37ºc is considered to be a high body temperature 36ºc is a normal temperature so i think there must be an error on the temperature ..the body adapts to heat better than it does to cold our cooling mechanisms are more effective and the body can tolerate higher temperatures the human body temperature must be maintained between 35°c and 38°c but 'normal' temperature is 37°c .when the internal body temperature falls there can be a number of adverse reactions including a loss of reasoning and logic note that the other answers are simply not true you can only select one of the four answers offered and this is without a doubt the best answer Reasoning problems as soon as body temperature falls below 37°c.

With regard to decompression sickness associated with flight we know that ?

Question 107-18 : Age obesity and scuba diving are risk factors scuba diving does not pose any problem for a subsequent flight gender is the prime risk factor with two out of every three women being sensitive to it physical activity after decompression reduces the risks of decompression sickness symptoms

exemple 275 Age, obesity and scuba diving are risk factors. — Age, obesity and scuba diving are risk factors.

The procedure to be followed in the event of decompression when flying above ?

Question 107-19 : Allow for the rapid supply of oxygen in order to prevent hypoxia allow for a rapid descent independent from sufficient supply of oxygen in order to prevent disorders due to hypoxia make it possible to prevent hyperventilation owing to the inhalation of 100% oxygen make it possible to eliminate the risk of fogging due to the sudden pressure changes

exemple 279 Allow for the rapid supply of oxygen in order to prevent hypoxia. — Allow for the rapid supply of oxygen in order to prevent hypoxia.

What is the 'time of useful consciousness' for a rapid decompression at 25 000 ?

Question 107-20 : Between 3 and 5 minutes depending on the physical activities of the subjected pilot about 18 seconds between 25 seconds and 1 minute 30 seconds about 30 seconds

exemple 283 Between 3 and 5 minutes depending on the physical activities of the subjected pilot. — Img /com en/com070 169 jpg. Between 3 and 5 minutes depending on the physical activities of the subjected pilot.

The time of useful consciousness may vary according to .1 physical activity of ?

Question 107-21 : 1 3 1 2 3 4 4

What is the main problem caused by positive +gz accelerations ?

Question 107-22 : A pooling of blood in the lower portions of the body and hence less blood available an improvement of peripheral vision an increase in blood pressure in the upper part of the body above heart level hyper oxygenation of the blood which may lead to sensory disorders

exemple 291 A pooling of blood in the lower portions of the body, and hence less blood available. — A pooling of blood in the lower portions of the body, and hence less blood available.

Which of the following statements are correct .1 hypothermia affects physical ?

Question 107-23 : 1 3 4 1 2 3 2 4 2 3 4

Rods scotopic visual cells allow for ?

Question 107-24 : Good night vision after adaptation to darkness 30 min good virtually instantaneous night vision scotopic vision precise vision of contours and colours red vision both during the day and at night

exemple 299 Good night-vision after adaptation to darkness (30 min). — Good night-vision after adaptation to darkness (30 min).

Of the following alternatives which effects are due to positive acceleration + ?

Question 107-25 : 2 3 4 1 3 4 1 2 3 1

To optimise one's night vision performance it is necessary . 1 to spend some ?

Question 107-26 : 1 3 4 2 2 3 4 1 2 4

Visual perception of depth at close to medium distance is primarily due to ?

Question 107-27 : Binocular vision interactions between cones and rods peripheral vision the high sensitivity of the retina

exemple 311 Binocular vision. — Binocular vision.

What could be symptoms of hypoxia when flying without oxygen above 12000 ft ?

Question 107-28 : Headache fatigue dizziness lack of coordination headache thirst somnolence collapse euphoria headache improvement in judgement loss of consciousness trembling increase in body temperature convulsions slowing of the rate of breathing

exemple 315 Headache, fatigue, dizziness, lack of coordination. — .in the compensatory zone between 10000 ft to 15000 ft the physiological automatic responses provide some protection against hypoxia trying to maintain homeostasis these include . increases in the respiratory volume . increase in cardiac output and blood pressure .however after a short time the effects of hypoxia are perceptible causing .headache fatigue dizziness lack of coordination Headache, fatigue, dizziness, lack of coordination.

Autokinetic illusion is ?

Question 107-29 : An illusion in which a stationary point of light if stared at for several seconds in the dark may without a frame of reference appear to move the sensation during a radial acceleration of seeing a fixed reference point moving into the opposite direction of the acceleration a conflict between the visual system and bodily sensations poor interpretation of the surrounding world

exemple 319 An illusion in which a stationary point of light, if stared at for several seconds in the dark, may (without a frame of reference) appear to move. — An illusion in which a stationary point of light, if stared at for several seconds in the dark, may (without a frame of reference) appear to move.

Which of the following statements are correct .1 scuba diving may be practiced ?

Question 107-30 : 2 and 3 are correct 1 2 and 3 are correct 2 3 and 4 are correct 1 3 and 4 are correct

exemple 323 2 and 3 are correct. — .there are recommended restrictions of time before flying depending on what altitude you are flying .statements 2 and 3 are correct statements 1 and 4 are incorrect 2 and 3 are correct.

The atmospheric pressure at 18000 feet altitude is half the atmospheric ?

Question 107-31 : The partial oxygen pressure at that altitude will also drop to 1/2 of the pressure of oxygen at sea level the oxygen saturation of the blood at that altitude will drop by 50% too the oxygen percentage of the air at that altitude will drop by one half also the partial oxygen pressure at that altitude will be doubled

exemple 327 The partial oxygen pressure at that altitude will also drop to 1/2 of the pressure of oxygen at sea level. — The partial oxygen pressure at that altitude will also drop to 1/2 of the pressure of oxygen at sea level.

You climb from 0 to 50000 feet and measure the decrease of the pressure per ?

Question 107-32 : 0 and 5000 feet 5000 and 10000 feet 10000 and 15000 feet 45000 and 50000 feet

exemple 331 0 and 5000 feet. — 0 and 5000 feet.

The volume percentage of oxygen in the atmosphere at 30 000 feet remains at 21% ?

Question 107-33 : Decreases with decreasing barometric pressure remains constant independent from altitude increases by expansion decreases significantly with lower temperatures

exemple 335 Decreases with decreasing barometric pressure. — Decreases with decreasing barometric pressure.

Air at an altitude of 18000 feet contains approximately ?

Question 107-34 : 21% oxygen 5% oxygen 15% oxygen 10% oxygen

Dry air is a mixture of gases their volume percentage is about ?

Question 107-35 : 21% oxygen 78% nitrogen 1% other gases 18% oxygen 80% nitrogen 2% other gases 19% oxygen 80% nitrogen 1% other gases 25% oxygen 74% nitrogen 1% other gases

exemple 343 21% oxygen,78% nitrogen, 1% other gases. — 21% oxygen,78% nitrogen, 1% other gases.

Boyle's law is directly applicable in case of ?

Question 107-36 : The expansion of trapped gasses in the human body with increasing altitude the occurrence of decompression sickness at high altitude the occurrence of hypoxia with increasing altitude hyperventilation with increasing altitude

exemple 347 The expansion of trapped gasses in the human body with increasing altitude. — The expansion of trapped gasses in the human body with increasing altitude.

Dalton's law explains the occurrence of ?

Question 107-37 : Altitude hypoxia bends decompression sickness creeps

exemple 351 Altitude hypoxia. — Altitude hypoxia.

Henry's law explains the occurrence of ?

Question 107-38 : Decompression sickness diffusion hyperventilation hypoxia

exemple 355 Decompression sickness. — .henry's law states that the amount of gas disolved in a liquid is proportional to the pressure of that gas above the liquid as atmospheric pressure decreases in the climb gases which have been held in solution in body tissue come out of solution and form small bubbles causing the bends and other forms of decompression sickness Decompression sickness.

Our body takes its energy from .1 minerals.2 protein.3 carbonhydrates.4 vitamins ?

Question 107-39 : 2 3 1 2 3 4 1 4 1 3

What is meant by metabolism ?

Question 107-40 : The generation and utilisation of energy by the body's cells and tissues information exchange transfer of chemical messages exchange of substances between the lung and the blood

exemple 363 The generation and utilisation of energy by the body's cells and tissues. — The generation and utilisation of energy by the body's cells and tissues.

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