Saliva helps in digestion of 1. Starch 2. Fiber 3. Proteins 4. Fats

The correct order of the digestive tube layers, from lumen outward, is: 1. Mucosa        2. Muscularis externa        3. Serosa      4. Submucosa   Question 36 options:   3, 1, 2, 4   4, 1, 2, 3   4, 2, 3, 1   1, 4, 2, 3   1, 4, 3, 2

5. What is the function of bile salts in digestion? What organ produces bile salts? 6. Which products of fat hydrolysis would cause a change in pH of the whole milk sample? 7. Why does a person with a low production of stomach HCl have difficulty with protein digestion?

Place the following digestive tract organs in the order through which ingested material passes. Large intestine 1 Oral cavity Esophagus 3 Stomach 4 Small intestine Pharynx 6.

In the figure, cells of the secrete HCI, which Pepsinogen Pepsin HCI Lumen a. small intestine epithelium; keeps pepsin in its inactive form so the cells themselves are not digested O b. stomach epithelium; activates pepsinogen to form pepsin O c. pancreas; activates pepsinogen to form pepsin d. stomach submucosa; causes a low pH that activates pepsin е. pancreas epithelium; causes high acidity in the stomach, activating pepsinogen as a digestive enzyme

23. All of the following have lumens through which food can travel. WITHOUT INCLUDING which of the following? large intestine small intestine stomach  esophagus pancreas

None

Which of the following digestive secretions is released into the stomach? Pepsinogin Mucus O HCL All of the above

esophagus 2 3 4 small intestine 6 Figure 8.2 Digestive system of the frog 5 9 10 0} 11 12 stomach

Teeth play an important role in processing food. However, if a person has poor oral hygiene that could lead to oral health disease   How would this impact on a person’s teeth?