The pitch of the sound produced by the vocal folds is controlled by the
A. force of air moving past them.
B. frequency of the vibrations.
C. thickness of the thyroid cartilage.
D. size of the glottis.
E. amplitude of the vibrations.
Answer: B
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The overall functioning of the ANS contributes to
a. conservation of energy resources when stress levels are low. b. mobilization of energy reserves when stress levels are high. c. suppression of non-vital activities when stress levels are high. d. homeostasis. e. all these answers.
The elevated ridges within the ampullae of the semicircular canals that support the hair cells are known as a
A) concha. B) cupula. C) crista ampullaris. D) macula. E) papilla.
In anatomical terms, the elbow is the ________ region.
A. brachial B. cubital C. pedal D. axillary