Motion of the endolymph in the semicircular canals when the head is held still will result in the perception of:
Correct Answer: Continued rotation
Description: Ans. C. Continued rotationa. Relative motion between the endolymph and the cupulae of the semicircular canals is due to the inertia of the endolymph, whether the body motion is starting or stopping.b. As the fluid continues to move when the head has stopped moving, the cupulae will be stimulated, producing the sensation of rotary motion.c. Moving in a straight line, without acceleration, will produce no fluid movement and no sensation.d. The sensation of static body position is accomplished by the maculae, which are sensitive to gravity but not endolymph motion.
Category:
Physiology
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