Why is it difficult for "weightless" astronauts in space to know whether they are right side up or upside down?
A) The direction in which they are traveling changes rapidly.
B) Sunrise and sunset are no longer linked to a 24 hour day.
C) They can't see a horizon.
D) Maculae that report head position depend upon the gravitational pull on the otoliths.
Correct Answer:
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Q9: The cochlear duct (scala media)contains_ .
A)otolymph
B)epilymph
C)endolymph
D)perilymph
Q10: Pressure waves passing through the perilymph of
Q11: Conduction deafness occurs when sound waves cannot
Q12: Hair cells in the crista ampullaris are_
Q13: The pharyngotympanic (auditory)tube connects the _to the
Q15: Sound localization can be tested by _
Q16: Which of the structures below report head
Q17: An aging gentleman suspects that his hearing
Q18: The middle ear _.
A)contains the actual organs
Q19: The hair cells that detect sound vibrations
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