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Question 1
Question
Which fluid-filled chambers and canals make up a vestibular labyrinth on one side of the head?
Answer
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The semicircular canals, the utricle, and the macula
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The cochlea, the cupula, and the Crista
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The anterior, posterior, and lateral otolith organs and semicircular canals
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Two otolith organs and three semicircular canals
Question 2
Question
Which of the following are involved in flavour perception?
Answer
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Gustation and olfaction
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Gustation and vision
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Vision, touch, and olfaction
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All of these.
Question 3
Question
The best explanation for the perceived intensity of a smell decreasing after continuous exposure is:
Answer
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Partial anosmia
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Ofour modification
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Odour blindness
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Adaptation
Question 4
Question
Olfactory receptor cells are renewed:
Answer
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Every 8 months
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Every 8 days
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Every 8 hours
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Every 8 weeks
Question 5
Question
The contact of a water drop on the hand can be sensed about half a second before its temperature because:
Answer
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The lemniscal pathway has myelinated axons; the spinothalamic tract does not
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Signals have faster conduction velocities in the spinothalamic tract than in the lemniscal pathway
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Temperature signals are delayed by branching projections to the spinal cord that mediate relfex actions
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Axons associated with free nerve endings are myelinated; those associated with mechanoreceptors are unmyelinated
Question 6
Question
Which statement about cortical topographic maps of somatosensory space is false?
Answer
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Moving over the somatosensory cortex from left to right ear systematically maps the right then left sides of the body
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In humans, the part of the map representing the hands contains cells with small receptive fields
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In humans, a relatively large area of the map contains cells with receptive fields on the face
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A vertical column of cortical cells systematically maps the whole body
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