Week 1 Medical Assisting
Terms
undefined, object
copy deck
- What 3 things are required to have a knowledge of your environment?
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-sense organs to perceive stimulus
-cranial nerves to transmit
-functioning area of brain to interpret - What are the 4 types of receptors?
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Chemoreceptors
Mechanoreceptors
Thermoreceptors
Photoreceptors - What part of the skull is the eye located in?
- The orbital cavity
- What is sclera?
- The tough white tissue surrounding the eye- the whites of the eyes
- What is the choroid?
- Layer containing blood vessels below the sclera which prevents light from reflecting in the eye
- What is the retina?
- The layer at the back of the eye where images from the lens are focused
- What is accomodation?
- The movement of the lens to allow for near or distant vision
- What shape does the lens have at different ages?
- Round as a child, oval as an adult, nearly flat in the elderly which causes difficulty accomodating near vision
- What is the iris?
- The colored muscle surrounding the pupil
- What is the pupil?
- The black part in the center of the eye, allows the transmission of light
- What is the cornea?
- The shiny covering of the eye/ it has pain and touch receptors
- What is astigmatism?
- Blurry vision caused by the cornea being abnormally shaped
- What is conjunctiva?
- The red lining of the inner eyelids
- What do lacrimal glands do?
- Secrete tears
- What does aqueous humor do?
- This salty clear fluid maintains the curvature of the cornea and assists in refraction
- What does vitreous humor do?
- Fills the vitreous chamber behind the lens, aids in refraction, maintains shape of eyeball
- What is the surgical removal of the eye called?
- Enucleation
- What do rods do?
- Allows the eye to see in black and white
- What do cones do?
- Allows the eye to see color
- If the cones are damaged, what condition results?
- Colorblindness
- What is the optic disc?
- The area in the retina where the optic nerves exit, there are no rods or cones in this area, called the "blind spot"
- What is myopia?
- When images are focused in the front of the retina allowing the eye to see things near/nearsightedness
- What is hyperopia?
- When images are focused in the rear of the retina allowing the eye to see things far away/farsightedness
- What is amblyopia?
- Lazy eye
- What is conjunctivitis?
- Imflammation of the conjunctiva usually from bacteria or the herpes simplex virus
- What is glaucoma?
- Buildup of pressure in the eye resulting in eventual blindness
- What is Strabismus?
- Gaze is pointed inward (cross-eyed) or outward (wall-eyed)
- What is a cataract?
- The buildup of film on the eye, may have a cloudy appearance
- What is the pinna?
- The outside part of the ear which picks up sound vibrations
- What are the 3 bones of the middle ear?
- The malleus(hammer) which hits the incus (anvil) which moves the stapes (stirrups)
- What are the eustachian tubes?
- They are small tubes connecting the middle ear to the throat, they equalize pressure within the ear
- What is the cochlea?
- The snail-like part of the inner ear that transmits impulses to the auditory nerve
- What do the 3 semicircular canals in the inner do?
- Help maintain balance
- What is an auditory canal onstruction?
- Anything that is obstructing the ear canal
- What is otitis media?
- Infection of middle ear
- What is Otosclerosis?
- Hardening of the ear usually through overuse causing gradual hearing loss
- What is epistaxis?
- Nosebleed
- What is glossitis?
- Inflammation of the tongue caused by irritation, injury, organisms, jagged teeth
- At what angle is an intradermal injection given?
- 10-15 degree
- At what angle is an intramuscular injection given?
- 90 degree
- At what angle is a subcutaneous (sub-q) injection given?
- 45 degree
- What is hemolysis?
- Destruction of red blood cells by shaking lab tubes or leaving tourniquet on
- What is a hematoma?
- mass of blood in tissue causing a black and blue mark
- What is phlebitis?
- Inflammation of a vein caused by fishing in arm or smacking arm
- What is thrombophlebitis?
- Inflammation of the vein accompanied by a clot
- What are the 3 veins of the antecubital fossa?
- The median cubital (middle), the cephalic(outer) and the basilic (inner)
- What is the order of use of the lab tubes?
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1-Blood culture(sterile)
2-Yellow
3-Red
4-Light Blue(must be full)
5-SST
6-PST
7-Green
8-Lavender
9-Gray