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Question
The outer ear system results in a net gain of approximately how many dB at 2,000 Hz?
a. 20b. 40
c. 60d. None of the above
Answer
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Related questions
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a. acetylcholine (ACH) activates muscle function.
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d. none of the above.
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a. a potential that is excitatory in nature.
b. use of the neurotransmitter acetylcholine (ACH).
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A neuron can fire approximately once every
a. 1 ms. b. 10 ms.
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a. absolutely (absolute) refractory period.
b. relatively (relative) refractory period.
c. hypostyle (ascending) refractory period.
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Commands for voluntary functions originate in the
a. spinal cord. b. brainstem.
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a. sympathetic nervous system. b. nonsympathetic nervous system.
c. emotional nervous system. d. irrational nervous system.
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Vision is mediated by
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The term for the ability to recognize an object through touch is
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