Why is it difficult for "weightless" astronauts in space to know whether they are right side up or upside down?
A) Maculae that report head position depend upon the gravitational pull on the otoliths.
B) Sunrise and sunset are no longer linked to a 24-hour day.
C) They can't see a horizon.
D) The direction in which they are traveling changes rapidly.
Correct Answer:
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Q2: Sound waves pass through this canal on
Q3: Conduction deafness occurs when sound waves cannot
Q4: The middle ear .
A) carries and amplifies
Q5: Within the inner ear, this structure is
Q6: The auditory ossicles transmit and amplify sound
Q7: The pharyngotympanic (auditory) tube connects the to
Q8: Which of the structures below report head
Q9: Which of the following might cause sensorineural
Q10: Tests for conduction deafness include .
A) placing
Q11: The receptor cells for hearing lie within
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