10 Questions
How is retching initiated?
Forced inspiration against a closed glottis
What happens during retching in terms of pressure?
Duodenal pressure increases
What is the main outcome of segmentation?
Mixing of gut contents with digestive juices
What characterizes a slow wave in the small intestine?
Slow undulating changes in resting membrane potential
Why does segmentation slow down gut movement?
Constricts the lumen of the intestine
Which muscle contractions assist in vomiting?
Diaphragm and abdominal muscles
What is the key difference between retching and vomiting?
Muscle contraction and pressure changes
What is the primary function of slow waves in the small intestine?
Regulate membrane potential changes
What effect does segmentation have on the gut contents?
Constricts and dilates the lumen
What is the role of the LES in the process of retching?
Opens during retching to allow entry of gastric content
Explore the essential functions of saliva in maintaining tooth integrity, including the processes of remineralization and demineralization. Understand how saliva helps prevent enamel crystal dissolution and aids in the diffusion of minerals out of the teeth.
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