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Chapter 10: Questions With Answers
Sensory Physiology
1. Tonic receptors:
a. are fast-adapting
b. do not fire continuously to a sustained stimulus.
*c. produce action potentials at a greater frequency as the generator potential is increased.
d. are described by all of these.
2. Receptors for vision are located in which part of the eye?
a. cornea
b. lens
c. iris
*d. retina
3. The receptors for taste are ________.
a. naked sensory nerve endings.
b. encapsulated sensory nerve endings.
c. neurons.
*d. specialized epithelial cells.
4. Cutaneous receptive fields are smallest in ____________.
*a. the fingertips.
b. the back.
c. the thigh.
d. the arms.
e. b and c
5.What is Olfaction?
a.taste
b.hearing
*c.smell
d.touch
6.The loss of equilibrium that results in?
*a. vertigo
b.cupula
c.kinocilium
d.stereocilia
7. Which of the following sensory modalities is transmitted directly to the cerebral cortex without being relayed through the thalamus?
a.taste
b.sight
*c.smell
d.hearing
e.touch
8.The specialized epithelial cells of the taste bud are known as
a.Astrocytes
b.Red Blood Cells
c.Schawn Cells
*d.Taste Cells
e.Water
9.Which of these sensory receptors are the pain receptors
a.chemoreceptor
b.photoreceptors
*c.nociceptors
d.thermoreceptors
10.Parts of your tongue can only respond to certain tastes.i.e. sweet, sour, salty, bitter, savory, and fat.
a.true
*b.false
11.The organ of hearing in the inner ear where nerve impulses are generated in response to sounds waves is the:
a.Semicircular canals
*b.Cochlea
c.Utricle
d.Saccule
e.the lobe
12.Messissners corpussles are..
a.Bundles nerve endings
b. Sensitive to light touch
c.Phasic
*d. All of the above
13.Pacinian Corpussles are..
a. sensitive to light touch
b. Sustain pressure
c. a different word for messiners corpusles.
d. phasic
*e. b and d
| 14. What cells of the eyes perceive color? *a. cones b. rods c. cornea d. iris 15. What area of the eye regulates the amount of light that gets in? a. central fovea *b. pupil c. iris d. macula 16. Smell involves molecules in the air dissolving in nasal mucus and directly stimulating neurons. *a. true b. false 17. What two cells are involved in perception of color and or black and white? a. Central fovea, Larynx b. ganglia, cone *c. rod, cone d. cornea, ciliary body 18. What is the macula? a. The white around the eye *b. The primary area for vision c. A muscle that helps move the eye d. A tear duct |
camanda |
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, Nov 21 2007, 1:06 AM EST
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