Digestion in Oral Cavity and Pharynx Flashcards
1
Q
four steps of digestion in oral cavity
A
prehension (bringing food into mouth)
mastication (chewing)
salivary secretion
deglutition (swallowing)
2
Q
salivary secretion is regulated by what
A
nervous system
3
Q
salivary secretion can also be triggered by what
A
conditioned responses (Pavlov)
4
Q
chewed food mixed with saliva
A
bolus
5
Q
three phases of deglutition (swallowing)
A
voluntary
pharyngeal
esophageal
6
Q
stage one of deglutition required the animal to be
A
conscious
7
Q
stage of deglutition that is involuntary and controlled by swallowing center in the brainstem
A
pharyngeal
8
Q
stage of deglutition that is involuntary and initiates peristalsis
A
esophageal
9
Q
Pattern of muscle contraction that propels food through the GI tract
A
peristalsis
