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37 Cards in this Set
- Front
- Back
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Endolymph?
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Charged (amplifies signal at hairs)
@ Scala Media (& Saccule, Utricle, Semicircular ducts) |
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Perilymph?
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CSF Like
@ Scala Vestibuli & Scala Tympani (& bony labyrinth) |
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Vestibular (Balance side) has Type 1 and 2 hair cells with what 2 cilia?
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-multiple Steriocelium (fluid bends them and causes...)
-Kinocolium to move |
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Clefts:
Maxiallary prominences fails to fuse w/ -Lat Nasal Prominence? -Medial Nasal Prominence? |
-Lat= OBLIQUEFacial Cleft (nasolacrimal duct exposed)
-Medial= ANTERIOR Facial Cleft (primary palate failure) |
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What cells form Brachial/Pharyngeal arches and when?
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Neural Crest Cells @ week 4
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Treacher Collins Syndrome is failure of what Arch?
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1st Arch (impaired midface growth and possible hearing loss)
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What CN's (SVE) go with each brachial Arch?
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Arch 1= V
Arch 2= VII Arch 3= IX Arch 4= X |
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Remnents of 2nd Pharyngeal Pouch result in Lateral Cervical Cysts located where?
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Anterior to SCM
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What remnent can result in midline cysts in the neck?
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Thyroglossal Duct
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#1 cause blindness UNDER 65
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Diabetic Retinopathy
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Drusens occur with with dz?
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Age related Macular Degenration
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To save the ischemic pnumbra, what is common after acute ischemic stroke and should not be treated?
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HTN
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To save the ischemic pnumbra, loss of autoregulation in brain after ischemic stroke results in "normal BP" being what?
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Hypotensive
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To save the ischemic pnumbra, what should not be given in in the IV fluid (note always need 2 iv sites for tPA)
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Glucose
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Worrisome HA sings?
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-Worst HA, > age 50, atypical, fever (always tx), aburpt onset, progressive worsening over time, mental status/physical changes
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What tests to do for Worrisome HA?
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CT (+Lumbar Puncture bc can miss subarachnoid hemorrhages)
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When do you do surgery for a blow out fx of Orbit?
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Persistant diplopia or poor cosmesis (or if Optic M's or N is entrapped).
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What type of chemical burn to eye are worst and how do you tx?
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-Alkali worse than acid
-Ex of Alkali= Lime, ammonia, lye, concrete -Tx: IRRIGATE B4 ER |
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Laceration of Iris draws iris to what side?
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to lacerated side
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Photon of light converts ___ Retinal --> ____ Retinal
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11-CIS Retinal --photon--> ALL-TRANS Retinal
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___ transports All-trans retinal to the Retinal pigmented epithelium to be converted back to ready (11-cis)
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Retinol Binding Protein
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What Vitamin is retinol?
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Vitamen A (via B-carotines in diet)
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In Rhodopsin what is the bond between retinol and opsin?
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Covalent Bond (Schiff Base)
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What chromosome is the Rod Opsin (aka Rhodopsin) gene on?
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Chrom 3 (Red/Green Opsin cone genes are on X)
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Which does vision which does auditory?
-Superior Colliculus (Lat GB) -Inferior Colliculus (Med GB) |
VISION=Superior Colliculus (Lat GB)
AUDITORY=Inferior Colliculus (Med GB) |
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Triad (+1) of Meniere's Dz?
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-Vertigo
-Tennitus -Hearing Loss (SensiroNeuronal) +Fullness in ears Cause: high Endolymph Tx: Cochlear Implants |
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Cause of Meniere's Dz?
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high Endolymph (Cochlear Hydrops)
@ Inner Ear -Idiopathic/Other/Autoimmune |
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Treatment of Sensironeuronal Hearing Loss (e.g. Meniere's Dz)?
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Cochlear Implants (shunts, Dramamine, Hearing Aids can also help meniere's)
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A delta Pain Fibers
-Slow/Fast? -Pain type? -NT? -Rec? -Pathway/Tract - |
A delta Pain Fibers
-Fast (Myelinated) -Sharp,localized (PRECISE) -EAA (at Spinal Cord) -Non-NDMA Rec -via LSTT (SpinoThalamic Pathway) |
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C Type Pain Fibers
-Slow/Fast? -Pain type? -NT? -Pathway/Tract |
C Type Pain Fibers
-Slow (un-mylinated) -Dull, aching, diffuse (CRUDE) -Substance P -via SpinoReticular Fibers (SpinoThalamic Pathway) |
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Cultural Competence Acronym (bioethics)
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LEARN
Listen Explain Acknowledge Recommend Negotiate |
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Spiritual Competence Acronym bioethics)
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FICAA
Faith Important Community Apply to your health Address your needs |
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Cells of BBB
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Astrocytes
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CNS Phagocytes
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Migroglia
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Olfactory Epithelium (vs Nasal Epithelium/Mucosa)
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Olfactory is only at ROOF of NASAL CAVITY
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What focuses 2/3 of the light in the eye?
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Cornea (the lens only does 1/3)
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What ENT tumor is not associated with smoking?
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Nasopharynx (Sqaumous Cells Carcinoma that arises as ROSENMULLER's FOSSA)
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