REVIEW EXERCISE
REQUIREMENT:
Complete the following by selecting the correct answers.
1.
A person will be spatially disoriented
A. whenever he operates in an alien environment.
B. when he is forced to rely on artificial senses (instruments).
C. only the first few times he experiences an alien environment.
D. every time he cannot correctly perceive his attitude with respect
to the earth.
2.
The mechanisms of equilibrium do not include
A.
vision.
B.
the sense of balance.
C.
vestibular apparatus.
D.
the proprioceptive system.
3.
The otolith organs of the vestibular apparatus are stimulated by
A.
linear accelerations.
B.
angular accelerations.
C.
continuous linear motion.
D.
continuous angular motion.
4.
Flicker vertigo may be caused by light that is flickering at a rate of
A.
10
cycles
per
minute.
B.
15
cycles
per
second.
C.
20
cycles
per
minute.
D.
25
cycles
per
second.
5.
The most common form of spatial disorientation is
A.
leans.
B.
autokinesis.
C.
elevator illusion.
D.
oculogyral illusion.
6.
The threshold of perceiving angular motion is not raised by
A.
anxiety.
B.
vibrations.
C.
inattention.
D.
past experience.
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