HUMAN PERFORMANCE ( 2520-3271)

#402. During paradoxical sleep

• A respiration is very regular
• Bthe tone of the muscles is similar to that in the waking state
• Crapid eye movements can be observed
• Dthe rhythm of the heart is very regular

#101. Which of the following could a pilot experience when he is hyperventilating?1. Dizziness2. Muscular spasms3. Visual disturbances4. Cyanosis

• A2 and 4 are false
• B1,2 and 3 are correct, 4 is false
• C1,2 and 4 are correct, 3 is false
• D1 is false, all others are correct

#121. Hypoxia effects visual performance.A pilot may:

• Ahave a reduction of 25% in visual acuity at 8000 FT AGL
• Bbe unable to maintain piercing vision below 5000 FT AGL
• Cget colour blindness accompanied by severe headache
• D get blurred and/or tunnel vision