The Pancreas and Digestion

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Questions and Answers

Which method do scientists use to study the microbiome?

  • DNA sequencing (correct)
  • Microscopy
  • Chemical analysis
  • Electron microscopy

What is the role of Helicobacter pylori in stomach ulcers?

  • It causes stomach ulcers (correct)
  • It prevents stomach ulcers
  • It has no effect on stomach ulcers
  • It helps in digestion

What is the purpose of fecal microbial transplantation?

  • To enhance nutrient absorption
  • To prevent stomach ulcers
  • To treat intestinal infections (correct)
  • To improve digestion

What are bacteriophages?

<p>Viruses that infect bacteria (A)</p> Signup and view all the answers

What is the role of the enteric nervous system in digestion?

<p>Regulating the digestive organs (A)</p> Signup and view all the answers

Which nutrients are required by animals but cannot be assembled from simple organic molecules?

<p>Essential amino acids, essential fatty acids, vitamins, and minerals (B)</p> Signup and view all the answers

How many essential amino acids do animals require?

<p>20 (C)</p> Signup and view all the answers

Which organ produces the proteases trypsin and chymotrypsin?

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

What is the major component of bile?

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

Which type of food provides all the essential amino acids required by animals?

<p>Meat, eggs, and cheese (D)</p> Signup and view all the answers

What are the four classes of essential nutrients?

<p>Amino acids, fatty acids, minerals, and vitamins (C)</p> Signup and view all the answers

What is a common symptom of diabetes that can be detected through a urine test?

<p>Sugar in the urine (A)</p> Signup and view all the answers

Where are triglycerides recombined in the small intestine?

<p>Epithelial cells (A)</p> Signup and view all the answers

Why do animals require an adequate diet?

<p>All of the above (D)</p> Signup and view all the answers

Which type of diabetes is characterized by the destruction of beta cells in the pancreas?

<p>Type 1 diabetes (B)</p> Signup and view all the answers

What is the role of the appendix in the digestive system?

<p>Ferment plant material (C)</p> Signup and view all the answers

What is the function of the hepatic portal vein?

<p>Carry nutrient-rich blood to the heart (D)</p> Signup and view all the answers

Which hormone, secreted by the stomach wall, triggers feelings of hunger before meals?

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

What is the main treatment for type 1 diabetes?

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

What percentage of diabetes patients have type 2 diabetes?

<p>90% (A)</p> Signup and view all the answers

Which of the following is true about essential fatty acids?

<p>Essential fatty acids can be obtained from plant proteins (B)</p> Signup and view all the answers

What are the two categories of vitamins?

<p>Water-soluble and fat-soluble (D)</p> Signup and view all the answers

What are minerals?

<p>Simple inorganic nutrients (D)</p> Signup and view all the answers

Which of the following statements about dietary deficiencies is true?

<p>Protein deficiency can occur in children during the transition from breast milk to solid foods (A)</p> Signup and view all the answers

What is undernourishment?

<p>A diet that lacks essential nutrients (B)</p> Signup and view all the answers

Which type of digestion occurs when food particles are engulfed by phagocytosis and liquids by pinocytosis?

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

Which type of digestion occurs in compartments that are continuous with the outside of the animal's body?

<p>Extracellular digestion (A)</p> Signup and view all the answers

What is the name of the digestive tube with two openings, a mouth and an anus, found in more complex animals?

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

What are the four mammalian accessory glands that secrete digestive juices into the alimentary canal?

<p>Salivary glands, pancreas, liver, gallbladder (C)</p> Signup and view all the answers

What is the function of saliva in the oral cavity?

<p>To lubricate food (D)</p> Signup and view all the answers

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