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(32)The time of useful consciousness (TUC) is the maximum time that pilot has to make a rational, lifesaving decision and carry it out following a lack of oxygen at a given altitude. The statement is
? ? ?
A．right B．wrong
正确答案：A
(33)The time of useful consciousness(TUC) is affected by many factors, such as flight altitude, climbing rate, pilot's activity level, pilot's health, and whether the pilot smoking or not. The statement is
? ? ?
A．right B．wrong
正确答案：A
(34)The time of useful consciousness while cruising at an altitude of 30,000 feet and sitting quietly would be about
? ? ?
A．40 seconds B．3 minutes
C．1 minute and 15 seconds
正确答案：C
(35)The average time of useful consciousness when engaged in moderate activity following a rapid decompression at 30,000 feet is closest to
? ?
A．25 seconds B．45 seconds
?
C．1 minute
正确答案：B
(36)The average time of useful consciousness when engaged in moderate activity following a rapid decompression at 42,000 feet is closest to
? ? ?
A．25 seconds B．15 seconds C．35 seconds
正确答案：B
(37)If a flight engineer becomes incapacitated during flight, who may perform the flight engineer's duties?
? ? ?
A．The second in command only.
B．Any flight crewmember, if qualified. C．Either pilot, if they have a flight engineer certificate.
正确答案：B
(38)What is the effect of alcohol consumption on functions of the body?
?
A．Alcohol has an adverse effect, especially as altitude increases.
?
B．Small amounts of alcohol in the human system increase judgment and decision-making abilities.
?
C．Alcohol has little effect if followed by equal quantities of black coffee.
正确答案：A
(39)Which of the following is the right description about the effect of alcohol consumption on functions of the body ?
?
A．An individual can speed up the rate at which alcohol leaves the body.
?
B．Alcohol can affect the semi-circular canals, which leads to an increase in susceptibility to disorientation and motion sickness.
?
C．Small amounts of alcohol in the human system increase judgment and decision-making abilities.
正确答案：B
(40)Heavy coffee or tea, can stimulate the central nervous system and produce an increase in alertness and activity, produce anxiety and drastic mood swings at one time. The statement is
? ? ?
A．right B．wrong
正确答案：A
(41)Avoiding smoking and alcohol and exercising regularly could reduce the likelihood of developing with disease