Digestion Phases and Gastrointestinal System Quiz

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Questions and Answers

Which of the following is the first phase of digestion?

  • Cephalic (correct)
  • Intestinal
  • Mechanical
  • Gastric

What enzyme is responsible for breaking down carbohydrates in the mouth?

  • Pepsin
  • Amylase (correct)
  • Lipase
  • Renin

What type of muscular contraction in the esophagus moves food to the stomach?

  • Peristalsis (correct)
  • Sphincter relaxation
  • Segmentation
  • Mass movement

What is the name of the mixture of food and gastric secretions in the stomach?

<p>Chyme (D)</p> Signup and view all the answers

Which type of digestive movement in the small intestine ensures contact between the chyme and the intestinal walls?

<p>Segmentation contractions (B)</p> Signup and view all the answers

How does aging impact mechanical digestion?

<p>Causes wear down of tooth enamel and dentin (A)</p> Signup and view all the answers

Which of the following is a clinical manifestation of gastrointestinal dysfunction?

<p>Vomiting (B)</p> Signup and view all the answers

What is the cause of dysphagia (difficulty swallowing)?

<p>Mechanical obstruction of the esophagus (C)</p> Signup and view all the answers

What is the primary cause of gastroesophageal reflux disease (GERD)?

<p>Reflux of chyme from the stomach through the lower esophageal sphincter (A)</p> Signup and view all the answers

Which of the following is a risk factor for gastroesophageal reflux disease (GERD)?

<p>Pregnancy (C)</p> Signup and view all the answers

What is a potential complication of dysphagia (difficulty swallowing)?

<p>Pneumonia (B)</p> Signup and view all the answers

What is the primary cause of constipation, as mentioned in the text?

<p>Neurogenic disorders (C)</p> Signup and view all the answers

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