|
Distinguish among the functions of Pacinian corpuscles, Meissner's corpuscles, and pain receptors in the skin. |
|
sense pressure and deep touch; light touch; heat |
| |
|
What is the punctate distribution? |
|
uneven distribution of the sense organs |
| |
|
What is a modality? |
|
primary types of sensation |
| |
What kind of receptors are sensitive to the following modalities?
lighttouchtemperaturesoundsmell |
|
light- phototouch- mechanotemperature- thermosound- mechanosmell- chemo |
| |
|
What kind of receptor determines the weight of an object when you pick it up? |
|
Proprioreceptor |
| |
|
What nerves transmit the sense of smell to the brain? |
|
Olfactory nerve fibers |
| |
|
What nerves transmit the sense of taste to the brain? |
|
glossopharyngeal, facial, vagus nerve |
| |
|
Where are the taste buds located? |
|
the sides of the tongue |
| |
|
Since the lens is made of protein, what effect might the preserving fluid be used in lave have on the structure of the lens? How would this affect clarity? |
|
might cause lens to get cloudy |
| |
|
How does the viterous body differ from the aqueous humor in terms of location and viscosity? |
|
Vitreous- jelly like; posteriorAqueous- liquid; anterior |
| |
|
What layer of eye converts visible light into nerve impulses? |
|
photo receptors of the retina |
| |
|
What nerve takes the impulse of sight to the brain? |
|
optic nerve |
| |
|
THe common name for the sclera? |
|
white of the eye |
| |
|
HOw would you define an extrinsic muscle of the eye? |
|
they work together to create eye movement; |
| |
|
What gland produces tears? |
|
lacrimal gland |
| |
|
What is the name of the transparent layer of the eye in the front anterior chamber? |
|
cornea |
| |
|
The iris of the eye has what function? |
|
opening and closing pupil |
| |
|
What is the middle tunic of the eye called? |
|
pupil |
| |
|
Is the lens anterior or posterior to the iris? |
|
posterior |
| |
|
What is at the area of the eye where the blind spot is found? |
|
optic disc |
| |
|
What are the three general regions of the ear? |
|
outer, middle, inner ear |
| |
|
The ear preforms what two major sensory functions? What are they? |
|
hearing and equilibrium |
| |
|
What area is found between the scala vestibuli and the scala tympani? |
|
Cochlear duct |
| |
|
What part of the inner ear is involved in perciving static equilibrium? |
|
Vestibule |
| |
|
What tube is responsible for the equalization of pressure when you change elevation? |
|
eustachian (auditory) tube |
| |
|
What is the name of the space that encloses the ear ossicles? |
|
tympanic cavity |
| |
|
Place the ear ossicles in sequence fromt he tympanic membrane to the oval window. |
|
malleus, incus, stapes |
| |
