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Dysphagia Exam 3 with All Questions with% Correctly Answered (A Rated Exam)
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Dysphagia Exam 3 with All Questionswith% Correctly Answered (A Rated
Exam)
What is the function of the medial pterygoid muscle? - ANSWER elevate the mandible
What is the function of the lateral pterygoid muscle? - ANSWER protrude the mandible, allows
side-to-side movement of mandible
What suprahyoid muscle elevates the hyoid bone? - ANSWER mylohyoid
What palatal muscle raises the back of the tongue during the 1st stage of swallowing? -
ANSWER palatoglossus, (this allows the bolus to be held in the mouth prior to swallow)
What suprahyoid muscles are responsible for the pulling the hyoid bone up & forward &
back during a swallow? - ANSWER digastric, geniohyoid &, stylohyoid
What two things does the stylohyoid elevate? - ANSWER hyoid & tongue base
What suprahyoid muscle depresses the tongue? - ANSWER hyoglossus
What suprahyoid muscle protrudes & depresses the tongue? - ANSWER genioglossus
What suprahyoid muscle elevates the tongue up & back? - ANSWER styloglossus
,What is the primary muscle for soft palate elevation? - ANSWER levator veli palatini
What muscle tenses the soft palate up for grated movement? - ANSWER tensor veli palatini
What muscle shuts off the nasopharynx during the 2nd stage of swallowing? -
ANSWER palatopharyngeus
What is the purpose of the pharyngeal muscles? - ANSWER to move things in larynx
T/F: what direction to the pharyngeal constrictor muscles move? - ANSWER top to bottom
to squeeze food down
Why is there laryngeal abduction after a swallow? - ANSWER to get a breath of air
T/F: The upper esophageal sphincter is always open. - ANSWER False, it is closed until
swallow reflex
How many constrictor muscles does the pharynx have? - ANSWER 3 (superior, middle, inferior)
What is the function of the cricopharyngeus muscle? - ANSWER constricts the opening of
the esophagus (keeps it closed & relaxes during swallow reflex)
What muscle elevates the pharynx & sometimes larynx during a swallow? - ANSWER
stylopharyngeus
T/F: Each phase of swallowing has both motor and sensory parts. - ANSWER True
What happens in the oral preparatory phase of swallowing? - ANSWER food is brought into
oral cavity & is maintained within (no spillage) & the bolus is prepared by chewing & saliva
, T/F: The velum is down to seal off the posterior part of oral cavity - ANSWER True
What occurs during the oral phase of a swallow? - ANSWER the tongue's lateral surfaces are
pressed tightly against the alveolar ridge & the tongue's midline squeezes the bolus backward
against the hard palate
T/F: As food viscosity increases, the pressure of the tongue against the hard palate increases. -
ANSWER True, peanut butter has a high viscosity, so it need more pressure to move
How long does the oral phase of swallowing take? - ANSWER less than 1-1.5 seconds
When is the pharyngeal phase of swallowing triggered? - ANSWER when the bolus passes the
ramus of the mandible (may vary slightly in individuals)
When is the swallow reflex triggered? - ANSWER when the bolus passes the faucial pillars
Because infant's have a short pharynx, when does their pharyngeal phase typically trigger? -
ANSWER when the bolus is in the vallecula
During what phase of swallowing does the velopharyngeal port close? Why is this important?
- ANSWER pharyngeal phase; prevents materials from entering nasal cavity & enables
pressure buildup in the pharynx
T/F: The pharyngeal phase of swallowing is pressure driven. - ANSWER True, increase
pressure to move back
What creates pressure buildup during the pharyngeal phase of swallowing to facilitate bolus
movement? - ANSWER contraction of the base of tongue and pharyngeal walls
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