Digestive System Functions Quiz
29 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the function of the stomach in the digestive system?

  • Absorb residual water and electrolytes
  • Produce bile salts for digestion
  • Neutralize acidic chyme
  • Mix food with chyme (correct)

Which organ releases intrinsic factor for vitamin B12 absorption in the small intestine?

  • Gallbladder
  • Pancreas
  • Liver
  • Stomach (correct)

What is the primary function of the small intestine?

  • Mixing chyme with digestive juices
  • Produce bile salts
  • Absorb macro and micro nutrients (correct)
  • Further breakdown of food residue

Which accessory organ produces bile salts to emulsify lipids for digestion?

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

What is the last voluntary act before defecation in the digestive process?

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

Which process exposes a larger surface area of food to digestive juices?

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

What is the primary function of the tongue?

<p>To facilitate dynamic movement and taste perception (C)</p> Signup and view all the answers

Which of the following statements about saliva is incorrect?

<p>Saliva production increases during sleep. (C)</p> Signup and view all the answers

What is the function of the epiglottis?

<p>To prevent food from entering the trachea during swallowing (D)</p> Signup and view all the answers

Which of the following is NOT a type of tooth?

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

What is the function of the pharynx?

<p>To handle the passage of both food and air through involuntary muscle contractions (B)</p> Signup and view all the answers

Which part of the tooth contains nerves and blood vessels?

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

Which of the following statements about the small intestine is correct?

<p>It contains the duodenum, jejunum, and ileum regions. (B)</p> Signup and view all the answers

What is the function of the duodenal glands?

<p>To secrete bicarbonate-rich alkaline mucous. (C)</p> Signup and view all the answers

Which of the following statements about peristalsis is correct?

<p>It is the process that moves chyme through the small intestine, initiated by the hormone motilin. (A)</p> Signup and view all the answers

Which region of the small intestine is the longest and has the most mucosal folds?

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

What is the purpose of segmentation in the small intestine?

<p>To mix chyme with digestive juices and force particles toward the mucosa for absorption. (B)</p> Signup and view all the answers

What is the primary function of the gastric phase during digestion?

<p>To prepare the stomach for food entry by stretching and lowering pH (C)</p> Signup and view all the answers

Which of the following is NOT part of the mucosal barrier that protects the stomach from self-digestion?

<p>Presence of stomach-digesting enzymes (B)</p> Signup and view all the answers

What are the two main causes of stomach ulcers?

<p><strong>NSAID use and <em>H. pylori</em> bacterial infection</strong> (D)</p> Signup and view all the answers

Which of the following statements about stomach emptying is correct?

<p>Carbohydrates empty fastest, followed by high-protein foods (B)</p> Signup and view all the answers

What is the significance of intrinsic factor produced by the stomach?

<p><strong>It is the one function essential for life, producing red blood cells and maintaining neurological function</strong> (D)</p> Signup and view all the answers

Which of the following statements about the mechanical digestion in the stomach is correct?

<p><strong>Gentle and intense waves move from the body toward the pylorus, forcing small amounts of chyme into the duodenum</strong> (B)</p> Signup and view all the answers

Which of the following is NOT a function of bile secreted by the liver?

<p>Digestion of proteins in the small intestine (B)</p> Signup and view all the answers

What is the primary reason for the production of methane gas in the chemical digestive process?

<p>Breakdown of indigestible sugars by bacteria (B)</p> Signup and view all the answers

Which of the following statements about the Valsalva maneuver is correct?

<p>It is a voluntary procedure to increase intra-abdominal pressure for defecation (D)</p> Signup and view all the answers

What happens if defecation is delayed for too long?

<p>More water is absorbed, causing feces to become firmer and leading to constipation (D)</p> Signup and view all the answers

Which organ is responsible for producing both bile and digestive enzymes?

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

What is the primary function of hepatocytes in the liver?

<p>Processing of nutrients, drugs, and toxins (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser