Important stuff? Flashcards
Where are cold receptors located
EPIdermis
Where are warm receptors located
dermis
Photoreceptors deal with what?
Light
Nociceptors deal with what?
Pain
What does Soma mean?
Body
the cell body of a nerve cell is called what?
Soma
What are the five primary tastes?
Salty
Sweet
Bitter
sour
Umami
What CN deal with taste
CN 7, 9
What CN affect eye movement
CN 3, 4, and 6
What are the 2 types of fluid inside the eyeball
Vitreous Humor
Aqueous Humor
What CN is assessed when testing vision?
CN 2
What is Accommodation in regards to the eye?
The ability of the lens to contract or elongate for distance or near vision
What structure of the eye (photoreceptor) is responsible for color
Cones
What part of the eye (photoreceptor) is responsible for shades of gray in dim light
Rods
of these bones what is touching the TM?
Malleus
Incus
Stapes
Malleus
The ears have what two main functions
Balance and hearing
How many bones make up the skull?
7
What nerves innervate the face?
5 and 7
What are the lymph nodes
Preauricular
Postauricular
Occipital
Sub mental
Sub Mandibular
Parotid
Tonsillar
Anterior Cervical chain
Posterior Cervical chain
Supraclavicular
When treating the symptoms of blephritis what would you use?
Baby shampoo
What is the antibiotic for non contact lens wearers
Erythromycin
What is the antibiotic for contact wearers
Ciprofloxacin
Cobblestoning may indicate what
Allergic reaction
Your patient has conjunctivitis with yellowish green discharge and preauricular lymph node swelling. With an HX of not using protection with his/her multiple partners. What would you suspect?
gonococcal conjunctivitis
are there nociceptors in the brain?
No
Heat sensation is felt where ?
Dermis
What receptors are in and around synovial joints
joint kinesthetic receptors
What CN are responsible for taste
7 and 9
What are the layers of the eyeball
Fibrous tunic
vascular tunic
retina
What fluid is found in the anterior chamber of the eye
Aqueous Humor
Vitamin A deficiency would lead to what?
Night blindness
What part of the internal ear:
Is part of the temporal bone and is divided into the cochlea, vestibule, and semicircular canals and contains a fluid called perilymph, which surrounds the membranous labyrinth.
bony labyrinth
What part of the internal ear:
Is a series of sacs and tubes in the same general shape as the bony labyrinth and contains a fluid called endolymph
membranous labyrinth
Nerve impulses from the cochlear branch of the vestibulocochlear nerve (VIII) pass to the midbrain and thalamus and ultimately go to the ______
primary auditory area in the temporal lobe
The equilibrium pathway to the brain includes the vestibular branch axons of the vestibulocochlear (VIII) nerve which, enters the What?
medulla or the cerebellum
The receptor organs for equilibrium are in the internal ear. They are the ______ and ______.
the saccule, utricle
How many lyphatic branches are in the head
10
if you hear bruits on the temoral area what is it?
temporal ateritis
grittiness on the thyroid is what?
Thyroiditis
thyriodoglossal duct cyst can cause what
dysphagia
what are 2 divisions of the conjunctive
bulbar and palpebral
goiter and bulging eyes may indicate what?
Graves diseaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
what cn Controls the lateral rectus muscle
CN VI
What CN controls the medial rectus muscles
CN III
What is if called when the eyes are bulging out
Exophthalmos
What condition is responsible for vision loss greater than 24 hours (most common)
Diabetes
What is loss of half of the field of view on the same side in both eyes?
-Lesion arising in optic nerve radiation on either side of the brain
Homonymous hemianopia
Defective vision or blindness in ½ of the visual field
Hemianopia
Loss of visual fields closest to the temples
a) Usually pituitary tumor
b) Interrupts optic chiasm
Bitemporal hemianopia
What is it called when a drug causes hearing loss
Ototoxic reaction
vertigo and dizzyness from a medication is what
ototoxic
what is the Centor criteria and what is it for
Lack of cough
Fever
Exudates on the tonsils
Lymphadenopathy
STREP
a positive Rhine test is what?
2:1
How do you treat Auricular Hematoma
I&D
What are the instruments of choise for Ear foreign body
loops/scoops, right angle hook, and alligator forceps
Live foreign bodies you should do what
Drown it with lidocaine
administer antibiotics
For cleaning a cerumen impaction what is the biggest risk of using a catheter
TM PERF
For cleaning a cerumen impaction what is the biggest risk of using fluids
Vertigo and nausea
should you medivac mastoiditis?
YES