Human disease L43: Dysphagia Flashcards
a disorder of eating, drinking and swallowing is best known as?
dysphagia
how many muscles are involved in swallowing
how many cranial nerves are involved in swallowing
32 muscles
5 cranial nerves - trigeminal nerve, vagus nerve, facial nerve. glosopharangyeal nerve and hypoglossal
how many phases are there to swallowing
4 phases
what are the 4 phases of swallowing
orap preparatory stage
oral stage
pharyngeal stage
oesophageal stage
what happens during the oral preparatory stage
this stage is a voluntary stage and can be stopped at anytime.
this stage is the anticipatory phase of swallowing and is not time limited
this stage helps to get saliva flowing
what happens during the oral stage
this stage is also a voluntary phase and can be stopped
this is the movement of food from the lips to the oral cavity
what two phases of swallowing are voluntary
oral preparatory stage
oral stage
what happens during the pharyngeal stage
this stage is involuntary
and takes about a second to move the food to the pharynx
what happens during the oesophageal stage
the oesophageal stage in also involuntary
it takes about 8-20 seconds to move a bolus from the upper oesophageal site to the lower oesophageal site
the movement of bolus down the oesophageal works in involuntary movement known as
peristalsis
what is a videofluoroscopy
A videofluoroscopy assesses your swallowing ability. It takes place in the X-ray department and provides a moving image of your swallowing in real time. You’ll be asked to swallow different types of food and drink of different consistencies, mixed with a non-toxic liquid called barium that shows up on X-rays.
what is dysgeusia
ne of these disorders is dysgeusia, which happens when your sense of taste becomes distorted, and everything tastes bitter, sour, or metallic.
