Qtr 2 Quiz 2- Ear/Nose
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Helix is the | Outer rim of the ear
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Origin/termination of the helix | Crus of the helix/lobe
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Crus is deeper than | the cheek
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Scapha | Fossa between inner and outer rims of the ear
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Anti helix | Inner ear rim
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Antihelix origin/termination | Top of lobe/ upper 1/3 becomes crura, terminates in the superior and anterior portion of the ear
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Crura | Bifurcation of the anti-helix
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WHere does the anterior wing of the crura go? | Under the helix
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Does every one have two crura? | No.
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Triangular fossa | depression between crura wings
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Concha | Concave shell of ear, deepest depression, sinks in to the EAM
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Tragus | elevation protecting ear passage, blends into lobe
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Antitragus | small eminence obliquely opposite tragus, located on lobe
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WHere is the only straight line on the ear? | Its attachment point
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Does the ear change in shape? | No
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The width is equal to... | 1/3 the length
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What is the primary anatomical guide? | Ear passage
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The ear tilts at the same degree as what? | Ramus
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WHat anatomical feature divides the ear in 1/2 | Zygomatic arch
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The crest of the ear is always equal to what anatomical feature? | Eye brow
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Intertragic notch | Space between tragus and anti tragus
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Lobe | non cartilagenous lowe 1/3 of the ear
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Middle 1/3 borders | Superior portion of antitragus to superior portion of concha
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Upper 1/3 | Superior to the concha to crest
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SHape of nose | pyramidal
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Types of noses | Leptorrhine, Platyrrhine, Mesorrhine
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Leptorrhine | long, narrow, prominent bridge
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Platyrrhine | wide, short
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Mesorrhine | Middle between other kinds
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Nose profiles | Convex, concave, straight
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Straight | Called the Grecian, straight regardless of angle
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Convex | Hook nose, roman, aqualine. Outward curvature
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Philtrum divides | Nose in 1/2 Wing to tip in profile
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Nasal Bones | Superior and posterior of dorsum effects nose in profile
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Nasal cavity | Pear shaped
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Nasal Spine | Posterior 1/3 of nose
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Cartilaginous plates | Septal (1), Lateral (4) made up of Superior (2) and inferior (2)
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Septal cartilidge | Divdes nose in 2, attachd to vomer and ethmoid bone, curves anatomical left
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Lateral cartilidges | Superior and inferior form sides and tip
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Dorsum | Protruding ridge
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Parts of Dorsum | Root, bridge, protruding, tip, convexity
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Root | concavity inferior to glabella
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Bridge | roughly triangular projection
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protruding lobe | spherical angular termination
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tip | greatest projection
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Concave profile | Infantine, snub, pug, ski. Depression in the bridge. Has a retrousse (upturned end)
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WIngs | Lateral lobes, superior to the columna nasi, greatest width.
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Margins of the wings | Inferior- Arch of the wing Superior- origin of nasolabial fold
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Columna nasi | Superficial partition between nostrils, most inferior part of the nose, forms right angle with the superior integumentary lip
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Anterior nares | Nostril openings, oblique position, located in posterior 2/3, greatest depth is medial and posterior.
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Created by:
Benjaminschmidt66
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