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CSD 316 Midterm Test & Exam |Questions with 100% Correct Answers
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CSD 316 Midterm Test & Exam |Questions with 100% Correct Answers
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CSD 316 Midterm Test & Exam|Questions with 100% Correct
Answers
What do the ventricular ligaments connect? - ✔ ✔ -The arytenoids to the thyroid
What is the function of the ventricular ligaments? - ✔ ✔ -Makes sure the folds dont stretch
too much
Where are the vocal ligaments located? - ✔ ✔ -The thyroid angle to the vocal process
-Subglottic
What is the function of the vocal ligaments? - ✔ ✔ -Restrict seperation of the arytenoids
and thyroid
Where is the quadrangular membrane located? - ✔ ✔ -Supraglottic
What is the function of the quadrangular membrane? - ✔ ✔ -Connects epiglottis,
thyroid cartilage, arytenoid cartilages and corniculate cartilages
Where is the conus elasticus located? - ✔ ✔ -Connects the thyroid and the cricoid together
What is the function of the conus elasticus? - ✔ ✔ -Thickens towards the top to form
vocal ligaments
What are intrinsic muscles? - ✔ ✔ -orgins and insertions within the larynx
,Do intrinsic, extrinsic or supplementary muscles effect length and tension - ✔ ✔ -
Intrinsic muscles
What are extrinsic muscles? - ✔ ✔ -One end attaches to the larynx, one end attaches to
the outside
-only one point of insertion
What are supplementary muscles? - ✔ ✔ -Form no direct attachment within the larynx
-Influenced by the hyoid
What function does the PCA do? - ✔ ✔ -Tugs on the muscular process of the arytenoid to
abduct the vocal folds
-Lengthens the vocal folds
What is the function of the LCA? - ✔ ✔ -Rocks the arytenoids forwards and towards the
midline to adduct the vocal folds
-only adducts the membranous portion**
-Slightly shortens the vocal folds
What is the function of the interarytenoids (transverse and oblique)? - ✔ ✔ -Pulls the
arytenoids towards each other
, -Adducts only the cartilaginous portion
What is the function of the oblique interarytenoids? - ✔ ✔ -Pulls the epiglottis back and down
to cover the laryngeal opening
-Some fibers extend around the side of the epiglottis to form the aryepiglottic muscle
What is the function of the thyroarytenoid muscle? - ✔ ✔ -It shortens, thickens. adducts
and tenses vocal fold body
-Might be called the body
-Tenses internally, external portion is loose
What is the function of the cricothyroid muscle? - ✔ ✔ -Tense and lengthens the vocal folds
-Tenses externally, internally loose
What extrinsic muscles elevate the larynx? - ✔ ✔ -Thyrohyoid, digastric, stylohyoid,
mylohyoid, geniohyoid, hyoglossus, genioglossus
What extrinsic muscles depress the larynx? - ✔ ✔ -Sternothyroid, Sternohyoid, Omohyoid
What extrinsic muscles bring the larynx forward? - ✔ ✔ -Sternothyroid, digastric
(anterior), mylohyoid, geniohyoid, genioglossus
What extrinsic muscles elevates the larynx and brings it forward? - ✔ ✔ -Digastric
(anterior) , mylohyoid, geniohyoid, genioglossus
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