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121 Cards in this Set
- Front
- Back
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other names for auditory tube |
Eustachian tube and pharyngotympanic |
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glands on the lateral end of the eye |
lacrimal glands |
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produces tear |
lacrimal glands |
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purpose of tears |
lubricate and clean |
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where do the oily secretions come from |
tarsal glands |
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what are the tarsal glands associated with |
eye |
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modified sebaceous glands |
tarsal glands |
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white of the eye |
sclera |
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bony part of the ear |
semicircular canals, vestibule, and cochlea |
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path of sound |
tympanic membrane malleus incus stapes oval window |
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deals with equilibrium while standing still |
static equilibrium |
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deals with equilibrium when the body is moving |
dynamic equilibrium |
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olfactory receptors |
smell |
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how many types of taste buds are there |
5 |
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what are the 5 taste buds |
sweet sour bitter salty umami |
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3 sets of color receptors |
red green blue |
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greatest visual acuity |
fovea centralis |
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color blindness occurs most often in |
men |
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pressure on the eye caused by too much aqueous humor |
glaucoma |
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signs of concussion |
nausea vomiting dizziness speech issues fatigue pupil dilation |
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signs of stroke |
facial palsy one side doesn't function confusion speech problems |
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immune system attacks myelin sheaths |
multiple sclerosis |
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neurological disorder marked by sudden episodes of consciousness |
epilepsy |
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a block or interruption of blood flow to the brain |
stroke |
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progressive disease that results in dementia |
Alzheimer's |
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infection of the meninges or membranes |
meningitis |
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brain and spinal cord are protected by tissue that gets infected |
meningitis |
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changes shape of eye |
ciliary body and ciliary zonule |
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taste buds are an example |
chemoreceptors |
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smell and taste are examples |
chemoreceptors |
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what are gustatory hairs for |
smell |
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two segments of the eye fluid |
anterior aqueous and posterior vitreous |
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what is serimum |
ear wax |
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what is the purpose of serimum |
trap germs |
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calcium rocks and stones that are apart of equilibrium |
otoliths |
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projections on the tongue |
papillae |
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normal resting eye |
set for distant vision |
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middle coat of the eye that prevents light from scattering |
choroid coat |
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function of auditory tube |
control pressure |
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swelling of the brain |
cerebral ademma |
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traumatic brain injury resulting in marked brain |
contusion |
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number of extrinsic muscles of the eye |
6 |
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Only nerve tissue with no pain receptors |
Brain |
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Only nerve tissue with no pain receptors |
Brain |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Only nerve tissue with no pain receptors |
Brain |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Deficiency of oxygen rich blood |
Ischemia |
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Only nerve tissue with no pain receptors |
Brain |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Deficiency of oxygen rich blood |
Ischemia |
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Only part of the eye that can be used for transplant |
Cornea |
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Only nerve tissue with no pain receptors |
Brain |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Deficiency of oxygen rich blood |
Ischemia |
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Only part of the eye that can be used for transplant |
Cornea |
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What is pupil size controlled by? |
Muscles near iris |
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Only nerve tissue with no pain receptors |
Brain |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Deficiency of oxygen rich blood |
Ischemia |
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Only part of the eye that can be used for transplant |
Cornea |
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What is pupil size controlled by? |
Muscles near iris |
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In dim light radial muscles contract and pupil does what? |
Gets bigger |
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Only nerve tissue with no pain receptors |
Brain |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Deficiency of oxygen rich blood |
Ischemia |
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Only part of the eye that can be used for transplant |
Cornea |
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What is pupil size controlled by? |
Muscles near iris |
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In dim light radial muscles contract and pupil does what? |
Gets bigger |
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In bright light circular muscles contract and pupil does what |
Get smaller |
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Only nerve tissue with no pain receptors |
Brain |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Deficiency of oxygen rich blood |
Ischemia |
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Only part of the eye that can be used for transplant |
Cornea |
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What is pupil size controlled by? |
Muscles near iris |
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In dim light radial muscles contract and pupil does what? |
Gets bigger |
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In bright light circular muscles contract and pupil does what |
Get smaller |
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How many rods does the human eye have |
125 million |
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Only nerve tissue with no pain receptors |
Brain |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Deficiency of oxygen rich blood |
Ischemia |
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Only part of the eye that can be used for transplant |
Cornea |
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What is pupil size controlled by? |
Muscles near iris |
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In dim light radial muscles contract and pupil does what? |
Gets bigger |
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In bright light circular muscles contract and pupil does what |
Get smaller |
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How many rods does the human eye have |
125 million |
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How many cones does the human eye have |
7 million |
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Only nerve tissue with no pain receptors |
Brain |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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|
Deficiency of oxygen rich blood |
Ischemia |
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|
Only part of the eye that can be used for transplant |
Cornea |
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|
What is pupil size controlled by? |
Muscles near iris |
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|
In dim light radial muscles contract and pupil does what? |
Gets bigger |
|
|
In bright light circular muscles contract and pupil does what |
Get smaller |
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How many rods does the human eye have |
125 million |
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How many cones does the human eye have |
7 million |
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Shortens with age |
Frequency |
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Only nerve tissue with no pain receptors |
Brain |
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Measures frequency in waves per second |
Hertz |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Deficiency of oxygen rich blood |
Ischemia |
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Only part of the eye that can be used for transplant |
Cornea |
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What is pupil size controlled by? |
Muscles near iris |
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|
In dim light radial muscles contract and pupil does what? |
Gets bigger |
|
|
In bright light circular muscles contract and pupil does what |
Get smaller |
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How many rods does the human eye have |
125 million |
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How many cones does the human eye have |
7 million |
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Shortens with age |
Frequency |
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Only nerve tissue with no pain receptors |
Brain |
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Measures frequency in waves per second |
Hertz |
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Measures intensity |
Decibels |
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Pain has a lot to do with what? |
Amount of oxygen in the blood near the area |
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Deficiency of oxygen rich blood |
Ischemia |
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Only part of the eye that can be used for transplant |
Cornea |
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What is pupil size controlled by? |
Muscles near iris |
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|
In dim light radial muscles contract and pupil does what? |
Gets bigger |
|
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In bright light circular muscles contract and pupil does what |
Get smaller |
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How many rods does the human eye have |
125 million |
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How many cones does the human eye have |
7 million |
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Shortens with age |
Frequency |
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Threshold for human |
0 |
