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CSD 316 - Swallowing phases
Test 4
22
Speech-Language Pathology
Undergraduate 3
04/24/2013

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Cards

Term
in which phase is eating anticipated?
Definition
oral preparatory phase
Term
what do the four phases of swallowing allow the bolus to do?
Definition
move from the mouth into the stomach safely and efficiently
Term
what are the three steps to the oral preparatory phase?
Definition
1. anticipate eating
2. bring food to mouth and take bite
3. food is chewed and mixed with saliva
Term
what are the four steps in the oral phase?
Definition
1. food is collected into a bolus
2. food is placed between the tongue and roof of the mouth (hard palate)
3. the tongue moves the food back with a stripping wave-like motion to the pharynx
4. when the bolus reaches the faucial pillars it triggers the swallow response (and the pharyngeal phase begins)
Term
what are the seven steps in the pharyngeal phase?
Definition
1. soft palate elevates
2. tongue base moves back and pharyngeal walls move in
3. larynx moves up and forward and closes
4. epiglottis moves down to help guide food
5. VFs close
6. pharynx muscles contract to move food towards the esophagus
7. UES relaxes
Term
why does the soft palate elevate during the pharyngeal phase?
Definition
to prevent the bolus from entering the nasal cavity
Term
can babies swallow and breathe at the same time?
Definition
no
Term
to swallow we must have positive/negative pharyngeal pressure?
Definition
positive
Term
what are the three steps in the esophageal phase of swallowing?
Definition
1. food passes through the UES and into the esophagus
2. Esophageal peristalsis moves food through the esophagus
3. LES relaxes and food enters the stomach
Term
preparation for swallowing begins when?
Definition
prenatally
Term
swallowing has been observed in fetuses as early as how many weeks?
Definition
12.5 (barely into the second trimester)
Term
swallowing the amniotic fluid appears to offer the fetus a literal what?
Definition
taste of the family's diet
Term
full-term babies swallow ___ml of amniotic fluid daily
Definition
450
Term
why might a premature baby not be as good at feeding?
Definition
the baby hasn't had as much practice - he might get too tired feeding because he doesn't have the proper muscle tone
Term
what are the four factors that predispose babies to early feeding problems?
Definition
1. maturity
2. muscle tone
3. health problems
4. missing the "golden hour"
Term
hyopotonic baby problems
Definition
they don't have enough muscle tone to feed efficiently
Term
hypertonic baby problems
Definition
they have clenched/tight muscles which make it uncomfortable for mom
Term
what is the "golden hour"
Definition
the baby breast feeding in the first hour of life to ensure a good feeding relationship
Term
what week is considered full term? what week is the due date?
Definition
full term: 37
due date: 40
Term
what weeks are "near term" babies born at?
Definition
36-37
Term
when are babies developmentally ready for solids?
Definition
around 6 months - when they start developing teeth, reaching skills, and sitting skills
Term
do babies still have a milk based diet even after solids are introduced?
Definition
yes
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