Dizziness and tumbling sensations, when making head movements in a tight turn, are symptoms of4
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The semicircular canals form part of the4
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Which of the following statement(s) is/are correct?- 1: The retina has rods on its peripheral zone and cones on its central zone- 2: The retina has cones and the crystalline lens has rods- 3: The rods allow for night-vision- 4: The cones are located on the peripheral zone of the retina4
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A stereotype and involuntary reaction of the organism on stimulation of receptors is called:4
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Excessive exposure to noise can damage:4
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The 'Black hole' phenomenon occurs during approaches at night and over water, jungle or desert. When the pilot is lacking visual cues other than those of the aerodrome there is an illusion of4
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By what action could the pressure gradient between the middle and the outer ear be balanced?4
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The Leans or Somatogyral illusion can be caused by:4
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Flying at pressure altitude of 10 000 ft, a pilot, being a moderate to heavy smoker, has an oxygen content in the blood equal to an altitude4
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Having a serious cold it is better not to fly, due to the extra risk of:1. flatulence2. pain in the ear during descent3. vertigo4. pain in the nasal sinuses4
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