Dysphagia Quiz 4 👅

What are the 3 stages of swallowing?

Oral, Pharyngeal, Esophageal

of the three stages of swallowing, which one is VOLUNTARY?

Oral

What are the two halves of the Oral Stage of swallowing?

1. preparation and 2. transport

What is lingual stripping?

Tongue "squeezes" the bolus backward along the hard palate and into the pharynx

Mandibular (jaw) opening during chewing

is assisted by contraction of the _______ and ______

as well as the __________(which are all suprahyoid muscles)

mylohyoid, geniohyoid, and digastricus

_____ jaw movements break down food

rotary

______helps to soften food and starts the digestive process

Saliva

____ information helps prevent injury to the tongue during chewing

sensory

Oral Phase: Step 1

Bolus Hold Position: bolus is held between the anterior tongue and hard palate. with the tongue pressing against the palate

Oral Phase: Step 2

Anterior Tongue Elevation: tongue pushes the bolus against the hard palate, posterior tongue drops away from the palate.

Oral Phase: Step 3

Posterior Propulsion: The tongue-palate contact spreads backward, propelling the bolus from the oral cavity into the pharynx.

_____ _____ helps explain bolus propulsion through the pharynx

Boyle’s Law

Pharyngeal Stage Step 1

the soft palate raises and closes the nasopharyx, then larynx closes to block airway

Pharyngeal Stage Step 2

UES relaxes, and tongue moves backwards against the pharyngeal wall to propel the bolus

Pharyngeal Stage Step 3

Pharyngeal Stripping Wave: Sequential contraction of the pharyngeal wall from superior to inferior, pushing the bolus toward the esophagus.

after this, structures return to rest

Esopheageal Phase consists mostly of

peristalsis

MBSImP meaning

Modified Barium Swallow Impairment Profile: standardized way to observe and rate how well someone swallows.

Airway protection involves movement of the ________ complex (out and up), ________ __________ closure, and ______ closure

hyolaryngeal, laryngeal vestibular, glottic