Carbon monoxide CO poisoning in flight ?
Exam > pilot
The damaging effects of noise on the pilot depends on 1 The intensity of the noise2 The frequency of the noise 3 The exposure time to noise 4 Proper use of the headset in the cockpitWhich of the ?
The human circadian rhythm is based on a cycle of about ?
The cabin pressure in airline operation Normally between 6 to 8 feet. circadian rhythm derived from latin words circa dies meaning approximately a day it may be defined as changes in human behavior physiology that occur within a 24 hour period without external stimuli human circadian rhythm has an average period of 24 2 hours there may be some modification of circadian cycle with food temperature most powerful external stimulus synchronizing circadian rhythm to a 24 hour cyclic exposure to light of day darkness at night. 
With hyperventilation caused high levels of arousal or overstress An increased amount of carbon dioxide exhaled causing muscular spasms even unconsciousness. circadian rhythm derived from latin words circa dies meaning approximately a day it may be defined as changes in human behavior physiology that occur within a 24 hour period without external stimuli human circadian rhythm has an average period of 24 2 hours there may be some modification of circadian cycle with food temperature most powerful external stimulus synchronizing circadian rhythm to a 24 hour cyclic exposure to light of day darkness at night. 
With a heart rate of 72 beats per minute and a stroke volume of 70 ml cardiac output about An increased amount of carbon dioxide exhaled causing muscular spasms even unconsciousness. cardiac output = stroke volume x heart rate cardiac output = 70 ml x 72 beats per minute cardiac output = 5040 ml/minutes (5 litres/min). 
Why hypoxia especially dangerous pilots flying solo Since first signs of hypoxia are generally hard to detect. cardiac output = stroke volume x heart rate cardiac output = 70 ml x 72 beats per minute cardiac output = 5040 ml/minutes (5 litres/min). Question 108-8
The effects of galactic radiation Increases with altitude. cardiac output = stroke volume x heart rate cardiac output = 70 ml x 72 beats per minute cardiac output = 5040 ml/minutes (5 litres/min). Question 108-9
The low level of humidity found in a pressurised aircraft cabin Should be compensated by drinking water before one gets thirsty. cardiac output = stroke volume x heart rate cardiac output = 70 ml x 72 beats per minute cardiac output = 5040 ml/minutes (5 litres/min). Question 108-10
The percentage of oxygen in troposphere in dry air Is independent of altitude. cardiac output = stroke volume x heart rate cardiac output = 70 ml x 72 beats per minute cardiac output = 5040 ml/minutes (5 litres/min). Question 108-11
The ossicles malleus incus and stapes are Located in middle ear. cardiac output = stroke volume x heart rate cardiac output = 70 ml x 72 beats per minute cardiac output = 5040 ml/minutes (5 litres/min). Question 108-12
The organ which metabolises alcohol from body the Located in middle ear. cardiac output = stroke volume x heart rate cardiac output = 70 ml x 72 beats per minute cardiac output = 5040 ml/minutes (5 litres/min). Question 108-13
The normal sleep cycle approximately every Located in middle ear. cardiac output = stroke volume x heart rate cardiac output = 70 ml x 72 beats per minute cardiac output = 5040 ml/minutes (5 litres/min). Question 108-14
The normal rate of breathing when at rest 2 to 2 cycles a minute. respiratory rate (breathing rate or respiratory frequency) number of breaths a person takes during one minute it usually measured at rest while sitting medical textbooks suggest that normal respiratory rate adults only 12 breaths per minute at rest most adults breathe much faster (about 15 20 breaths per minute). Question 108-15
The most dangerous type of incapacitation in flight one that Develops slowly gradually (insidious). respiratory rate (breathing rate or respiratory frequency) number of breaths a person takes during one minute it usually measured at rest while sitting medical textbooks suggest that normal respiratory rate adults only 12 breaths per minute at rest most adults breathe much faster (about 15 20 breaths per minute). Question 108-16
The main reason why it inadvisable to fly when suffering from a cold that Pain damage to eardrum can result particularly during fast descents. respiratory rate (breathing rate or respiratory frequency) number of breaths a person takes during one minute it usually measured at rest while sitting medical textbooks suggest that normal respiratory rate adults only 12 breaths per minute at rest most adults breathe much faster (about 15 20 breaths per minute). Question 108-17
The function of eustachian tube to equalise pressure between Middle ear the external atmosphere. respiratory rate (breathing rate or respiratory frequency) number of breaths a person takes during one minute it usually measured at rest while sitting medical textbooks suggest that normal respiratory rate adults only 12 breaths per minute at rest most adults breathe much faster (about 15 20 breaths per minute). Question 108-18
The changes in atmospheric gas pressure with altitude are Non linear with a higher rate of change at lower levels. at low level each time you climb 27 ft pressure decrease 1 hpa at higher level you have to climb 50 ft example to see a pressure decrease of 1 hpa the decrease of 1 hpa/27 ft only applicable at lower levels of troposphere as you go up air pressure decreases change of height per 1 hpa increases (at mean sea level 1hpa/27ft at fl180 it's 50ft/hpa at fl390 it's 105ft/hpa). Question 108-19
The human vestibular system performs spatial orientation Measuring linear radial acceleration within inner ear. at low level each time you climb 27 ft pressure decrease 1 hpa at higher level you have to climb 50 ft example to see a pressure decrease of 1 hpa the decrease of 1 hpa/27 ft only applicable at lower levels of troposphere as you go up air pressure decreases change of height per 1 hpa increases (at mean sea level 1hpa/27ft at fl180 it's 50ft/hpa at fl390 it's 105ft/hpa). Question 108-20
Which symptom of hypoxia the most dangerous conducting safe flight The degradation of reasoning perceptive functions. at low level each time you climb 27 ft pressure decrease 1 hpa at higher level you have to climb 50 ft example to see a pressure decrease of 1 hpa the decrease of 1 hpa/27 ft only applicable at lower levels of troposphere as you go up air pressure decreases change of height per 1 hpa increases (at mean sea level 1hpa/27ft at fl180 it's 50ft/hpa at fl390 it's 105ft/hpa). Question 108-21
Contrary to a person's personality attitudes Are product of personal disposition past experience with reference to an object or a situation. at low level each time you climb 27 ft pressure decrease 1 hpa at higher level you have to climb 50 ft example to see a pressure decrease of 1 hpa the decrease of 1 hpa/27 ft only applicable at lower levels of troposphere as you go up air pressure decreases change of height per 1 hpa increases (at mean sea level 1hpa/27ft at fl180 it's 50ft/hpa at fl390 it's 105ft/hpa). Question 108-22
Does noise above 90 db improve performance Are product of personal disposition past experience with reference to an object or a situation. at low level each time you climb 27 ft pressure decrease 1 hpa at higher level you have to climb 50 ft example to see a pressure decrease of 1 hpa the decrease of 1 hpa/27 ft only applicable at lower levels of troposphere as you go up air pressure decreases change of height per 1 hpa increases (at mean sea level 1hpa/27ft at fl180 it's 50ft/hpa at fl390 it's 105ft/hpa). Question 108-23
Decompression sickness/illness characterized Over saturated nitrogen gas molecules in body tissues. decompression sickness sometimes a fatal condition resulting from formation of nitrogen bubbles in blood tissues because of too rapid decompression seen especially in deep sea divers ascending rapidly from a dive it characterized severe pains in joints chest skin irritation cramps nausea paralysis. Question 108-24
Crm crew resource management and mcc multi crew coordination training are designed to improve The quality of crew performance. decompression sickness sometimes a fatal condition resulting from formation of nitrogen bubbles in blood tissues because of too rapid decompression seen especially in deep sea divers ascending rapidly from a dive it characterized severe pains in joints chest skin irritation cramps nausea paralysis. Question 108-25
Even at normal cabin altitudes i e around 8000 ft you can get severe abdominal pain and flatulence after eating gas forming foods or fizzy drinks the correct counter measure Descend to a lower altitude. decompression sickness sometimes a fatal condition resulting from formation of nitrogen bubbles in blood tissues because of too rapid decompression seen especially in deep sea divers ascending rapidly from a dive it characterized severe pains in joints chest skin irritation cramps nausea paralysis. Question 108-26
Conductive hearing loss can be caused 1 damage to ossicles in middle ear caused infection or trauma2 a damage of auditory nerve3 an obstruction in outer ear4 a ruptured tympanic membrane 3 4 are correct 2 false. hearing divided into two separate functions sound conduction in external ear tympanic membrane the ossicles sound perception in cochlea auditory nerve the question states 'conductive hearing' only thus statement n°2 false. Question 108-27
Carbon monoxide poisoning Is more likely to occur in aeroplanes where cabin heating supplied passing cabin air over exhaust manifold(s). hearing divided into two separate functions sound conduction in external ear tympanic membrane the ossicles sound perception in cochlea auditory nerve the question states 'conductive hearing' only thus statement n°2 false. Question 108-28
Carbon monoxide particularly dangerous because 1 its initial symptoms are not alarming2 it colourless3 its odourless4 it highly toxic5 its effects are cumulative Is more likely to occur in aeroplanes where cabin heating supplied passing cabin air over exhaust manifold(s). hearing divided into two separate functions sound conduction in external ear tympanic membrane the ossicles sound perception in cochlea auditory nerve the question states 'conductive hearing' only thus statement n°2 false. Question 108-29
Which statement correct Oxygen diffusion from blood into cells depends on partial oxygen pressure gradient. hearing divided into two separate functions sound conduction in external ear tympanic membrane the ossicles sound perception in cochlea auditory nerve the question states 'conductive hearing' only thus statement n°2 false. Question 108-30
Which statement about acute or chronic fatigue incorrect Acute fatigue generally has psychological roots. fatigue falls into two broad categories 'acute fatigue' (short term) 'chronic fatigue' (long term) chronic fatigue extending over a long period of time usually has psychological roots (an underlying disease sometimes responsible however) continuous stain on your job example can produce chronic fatigue you may experience this condition in form of weakness tiredness palpitations of heart breathlessness headaches or irritability sometimes chronic fatigue even creates stomach or intestinal problems generalized aches pains throughout body when condition becomes serious enough it can lead to emotional illness if you suspect that you are suffering from chronic fatigue consult your doctor self help cures are rare above all don't fly! acute fatigue on other hand short lived is a normal occurrence in everyday living it the kind of tiredness you feel after a period of strenuous effort excitement or lack of sleep rest after exertion 8 hours of sound sleep ordinarily cures this condition acute fatigue felt after a period of significant exertion or emotional excitement inadequate recuperation from periods of acute fatigue can lead to chronic fatigue with chronic fatigue individuals can be being totally apathetic indifferent to their surroundings. Question 108-31
The body obtains its energy from Carbohydrates protein fats. fatigue falls into two broad categories 'acute fatigue' (short term) 'chronic fatigue' (long term) chronic fatigue extending over a long period of time usually has psychological roots (an underlying disease sometimes responsible however) continuous stain on your job example can produce chronic fatigue you may experience this condition in form of weakness tiredness palpitations of heart breathlessness headaches or irritability sometimes chronic fatigue even creates stomach or intestinal problems generalized aches pains throughout body when condition becomes serious enough it can lead to emotional illness if you suspect that you are suffering from chronic fatigue consult your doctor self help cures are rare above all don't fly! acute fatigue on other hand short lived is a normal occurrence in everyday living it the kind of tiredness you feel after a period of strenuous effort excitement or lack of sleep rest after exertion 8 hours of sound sleep ordinarily cures this condition acute fatigue felt after a period of significant exertion or emotional excitement inadequate recuperation from periods of acute fatigue can lead to chronic fatigue with chronic fatigue individuals can be being totally apathetic indifferent to their surroundings. Question 108-32
The blood in pulmonary artery Lacking in oxygen rich in carbon dioxide. the pulmonary artery the only artery which contains deoxygenated blood which carried from right ventricle to lungs the pulmonary vein carries oxygenated blood from lungs to left atrium of heart. Question 108-33
Equalization of air pressure between outer and middle ear Important to prevent pain loss of hearing during flight. the pulmonary artery the only artery which contains deoxygenated blood which carried from right ventricle to lungs the pulmonary vein carries oxygenated blood from lungs to left atrium of heart. Question 108-34
While flying vfr 'wings leve on top of clouds at 10 000 feet your artificial horizon indicates a 20 degree bank You trust instrument level off according to instrument read out. the pulmonary artery the only artery which contains deoxygenated blood which carried from right ventricle to lungs the pulmonary vein carries oxygenated blood from lungs to left atrium of heart. Question 108-35
The average pulse of a healthy adult at rest about You trust instrument level off according to instrument read out. the pulmonary artery the only artery which contains deoxygenated blood which carried from right ventricle to lungs the pulmonary vein carries oxygenated blood from lungs to left atrium of heart. Question 108-36
The autonomic nervous system ans regulates Sweating arterial pressure body temperature the general adaptation syndrome. the pulmonary artery the only artery which contains deoxygenated blood which carried from right ventricle to lungs the pulmonary vein carries oxygenated blood from lungs to left atrium of heart. Question 108-37
The atmosphere contains following gases 78% nitrogen 2 % oxygen 3% carbon dioxide rest rare gases. the pulmonary artery the only artery which contains deoxygenated blood which carried from right ventricle to lungs the pulmonary vein carries oxygenated blood from lungs to left atrium of heart. Question 108-38
The ability of human eye to read alphanumeric information Limited to foveal area of retina. the pulmonary artery the only artery which contains deoxygenated blood which carried from right ventricle to lungs the pulmonary vein carries oxygenated blood from lungs to left atrium of heart. Question 108-39
The 5 human senses tend to adapt Limited to foveal area of retina. the five human senses sight hearing touch smell taste the human senses tend to adapt constantly to stimuli to be sensitive according to mean energy values of their perceptual field. Question 108-40
Expanded abdominal air following rapid decompression at 30 000 feet May be dangerous causing great pain. the five human senses sight hearing touch smell taste the human senses tend to adapt constantly to stimuli to be sensitive according to mean energy values of their perceptual field.
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