内容发布更新时间 : 2024/12/24 20:28:24星期一 下面是文章的全部内容请认真阅读。
正确答案:B
(21)One of the effects of hypoxia is a degradation of night vision. This effect begins at about
? ? ?
A.5,000 feet B.10,000 feet C.8,000 feet
正确答案:A
(22)A passenger briefing by a crewmember shall be given, instructing passengers on the necessity of using oxygen in the event of cabin depressurization, prior to flight conducted above
? ? ?
A.FL200 B.FL240 C.FL250
正确答案:C
(23)Loss of cabin pressure may result in hypoxia because as cabin altitude increases
? ? ?
A.the percentage of nitrogen in the air is increased. B.oxygen partial pressure is decreased.
C.the percentage of oxygen in the air is decreased.
正确答案:B
(24)Which is a common symptom of hyperventilation?
? ? ?
A.Tingling of the hands, legs, and feet. B.Increased vision keenness. C.Decreased breathing rate.
正确答案:A
(25)Which would most likely result in hyperventilation?
? ? ?
A.A stressful situation causing anxiety. B.The excessive consumption of alcohol.
C.An extremely slow rate of breathing and insufficient oxygen.
正确答案:A
(26)The symptoms of hyperventilation are
? A.quite different to those of hypoxia ? B.quite similar to those of hypoxia ?
C.profuse sweating
正确答案:B
(27)A pilot showing the symptoms of dizziness, tingling at the fingertips
? A.Hypoxia ?
B.Hypertension
?
C.Hyperventilation
正确答案:C
(28)A rise in carbon dioxide concentration in the blood cause
? ? ?
A.a reduction in respiration rate B.an increase in respiration rate C.a reduction in blood pressure
正确答案:B
(29)If whilst flying at 30,000ft, the aircraft suddenly depressurizes, the most common symptom experienced by all persons on board would be
? ? ?
A.Sudden inhalation B.Sudden exhalation C.Abdominal pain
正确答案:B
(30)What action should be taken by a crew member following a sudden decompression at 35,000 feet?
? ? ?
A.Deploy passenger oxygen mask B.Don on an oxygen mask C.Make immediate descent
正确答案:B
(31)Itic barotraumas means that gas is trapped in the
? ? ?
A.Gut B.Sinuses C.Middle ear
正确答案:C