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36 Cards in this Set
- Front
- Back
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the lower respiratory tract consists of (4)
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larynx - trachea - bronchi - lungs
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2 functions of larynx
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opening in airway - voice box
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9 laryngeal cartilages that make up the larynx
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(1) laryngeal cartilage - (1) cricoid cartilage - (2) arytenoid cartilages - (2) corniculate cartilages - (2) cuneiform cartilages - (1) epiglottic cartilage
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majority of the larynx is made up of ____ cartilage
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hyaline
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the larynx enlarges under the influence of ____ hormone
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testosterone
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the largest & most profound cartilage of the laryngeal cartilages is
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thyroid cartilage
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the laryngeal prominence is AKA ____
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adams apple
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cricoid cartilage is larger on it's ____ surface than on the ____
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posterior - anterior
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cartilage of the larynx that looks like a "class ring"
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cricoid
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pair of arytenoid cartilages are fastened to the ____ ____
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vocal folds (vocal cord)
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pair of corniculate cartilages sits on top of ____ cartilage
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arytenoid
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how many corniculate cartilage
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2
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epiglottic cartilage is composed of ____ cartilage
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elastic
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6 internal structures of the larynx
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auditus - vestibule - vestibular folds - ventricles - vocal folds - glottis
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auditus is the ____ in the ____
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opening - trachea
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AKA "the waiting area" just past the auditus
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vestibule
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most superior pair of folds in the larynx are the ____ folds (____ ____ ____)
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vestibular - false vocal cord
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color of vestibular folds are usually ____ because of ____ ____
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pink - blood circulation
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pair of folds inferior to the vestibular folds
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vocal folds (true vocal cord)
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color of vocal folds are usually ____ because of ____ ____
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white - no circulation
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what is the crevice between the vestibular fold & vocal fold
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ventricle
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the opening between the folds is the ____
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glottis
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6 muscles of the larynx
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cricothyroid muscle - posterior cricoarytenoideus muscles - lateral cricoarytenoideus - thyroarytenoideus - aryepiglottic muscle - vocalis muscle
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cricothyroid muscle function
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adducts (closes) vocal folds
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posterior cricoarytenoideus muscles function
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abducts (opens) vocal folds
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lateral cricoarytenoideus function
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adducts vocal folds
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thyroarytenoideus is a continuation of ____ muscle
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vocalis
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aryepiglottic muscle is made up of 2 ____ muscles
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oblique
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aryepiglottic muscle function
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pulls epiglottis down to cover larynx
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aryepiglottic muscle is located on the ____ side
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posterior
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oblique arytenoideus muscle is an extension of the ____ muscle
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aryepiglottic
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oblique arytenoideus muscle is located on back of the ____ cartilage
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arytenoid
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vocalis muscle controls ____ of ____ ____
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tension - vocal folds (pitch)
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2 factors for production of sound
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pitch - volume
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pitch is controlled by ____ on ____ ____
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tension - vocal folds
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volume of sound is dependent upon ____ ____ ____
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force of air
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