Chapter 15: The Special Senses – Flashcards
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Ciliary body: focus the pupil
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Which structure is NOT matched with its function?
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Right eye; inferior oblique left eye; superior rectus
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You want to look up and to your right. Which extrinsic eye muscles would be the most active in each eye?
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Iris
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What is the portion of the eye that allows light to pass into the posterior chamber?
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True
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As the ciliary muscle relaxes, the suspensory ligaments tighten and stretch the lens, allowing for distance vision.
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Ciliary body
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Aqueos humor forms during capillary filtration in the _______?
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The lens focuses light on the retina.
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Which of the following is a characteristic of the lens?
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nyctalopia; night blindness
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Choose the correctly paired terms
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Loss of peripheral vision
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Damage to the medial portion of the optic chiasm, cause by a pituitary tumor, would lead to _________.
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Odorants dissolve in the mucus and bind to receptors.
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How are the olfactory receptors activated?
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False
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As light hits the retina, the first structure the light encounters is a rode or a cone.
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On the top surface of the fungiform papillae
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Most taste buds are located ________.
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The cochlea
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Which portion of the ear is responsible for sound transduction?
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In the semicircular canals and in the vestibule of the ear
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Where are equilibrium receptors located?
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Three
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How many ossicles are found in the ear?
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Amplitude
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Height of a wave is called the ________.
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The receptors for dynamic equilibrium respond to rotational forces.
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Which of the following is true of receptors for dynamic equilibrium?
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The brain stem
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Information from balance (equilibrium) receptors in processed in ________.
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False
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The semicircular canals are adapted to detect static equilibrium.
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It is made of simple squamous epithelium.
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Choose the FALSE statement about the olfactory epithelium.
