The majority of aviation accidents are caused by... technical failure. meteorological influences. geographical influences. human failure. The "swiss cheese model" can be used to explain the... error chain. procedure for an emergency landing. optimal problem solution. state of readiness of a pilot. What is the percentage of oxygen in the atmosphere at 6000 ft? 21 % 12 % 78 % 18.9 %. What is the percentage of nitrogen in the atmosphere? 1 % 21 % 78 % 0.1 %. At which altitude is the atmospheric pressure approximately half the MSL value (1013 hPa)? 18000 ft 5000 ft 10000 ft 22000 ft. Air consists of oxygen, nitrogen and other gases.
What is the approximate percentage of other gases? 0.1 % 78 % 1 % 21 %. Carbon monoxide poisoning can be caused by... little sleep. alcohol. smoking. unhealthy food. What does the term "Red-out" mean? "Red vision" during negative g-loads Rash during decompression sickness Anaemia caused by an injury Falsified colour perception during sunrise and sunset. Carbon monoxide poisoning can be caused by... fuel or hydraulic fluids. generator failure. cracks in the heat exchanger. Pitot icing. Which of the following is NOT a symptom of hyperventilaton? Cyanose Tingling Spasm Disturbance of consciousness. Which of the following symptoms may indicate hypoxia? Joint pain in knees and feet Muscle cramps in the upper body area Blue discolouration of lips and fingernails Blue marks all over the body
. Which of the human senses is most influenced by hypoxia? The oltfactory perception (smell) The tactile perception (sense of touch) The auditory perception (hearing) The visual perception (vision). From which altitude on does the body usually react to the decreasing atmospheric pressure? 2000 feet 7000 feet 10000 feet 12000 feet. Which altitude marks the lower limit where the the body is unable to completely compensate the effects of the low atmospheric pressure? 12000 feet 22000 feet 5000 feet 7000 feet. What is the function of the red blood cells (erythrocytes)? Oxygen transport Blood coagulation Immune defense Blood sugar regulation. Which of the following is responsible for the blood coagulation? Red blood cells (erythrocytes) Capillaries of the arteries White blood cells (leucocytes) Blood plates (thrombocytes). What is the function of the white blood cells (leucocytes)? Oxygen transport Blood coagulation Blood sugar regulation Immune defense. What is the function of the blood platelets (thrombocytes)? Immune defense Blood coagulation Blood sugar regulation Oxygen transport
. Which of the following is NOT a risk factor for hypoxia? Smoking Menstruation Blood donation Diving. Anemic hypoxia can be caused by... carbon monoxide poisoning. low pressure. high altitudes. alcohol.
