Multiple Choice
In the context of the stomach, what is its main digestive function?
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23. The Digestive System
The Stomach
Back23. The Digestive System
The Stomach
- Multiple ChoiceWhich part of the gastrointestinal tract contains highly acidic digestive juices?
- Multiple ChoiceIn which direction do the peristaltic contractions of the stomach's smooth muscle move contents?
- Multiple ChoiceWhich component of gastric juice is most helpful in preventing the stomach from digesting itself?
- Multiple ChoiceWhich statement about the stomach is false?
- Multiple ChoiceDuring the intestinal phase of gastric regulation, __________.1views
- Multiple ChoiceWhich body site contains hydrochloric acid that inhibits many microbes?
- Multiple Choice
Which area/structure is NOT a component of the pyloric part of the stomach?
1views - Multiple Choice
Rugae are formed by the two inner most layer of the stomach adjacent to the lumen when the stomach is empty. Knowing this, which stomach layers form the rugae?
- Multiple ChoiceHydrochloric acid is secreted by which of the secretory cells of the stomach?
- Multiple ChoiceWhat stimulates the secretion of hydrochloric acid (HCl) in the stomach?
- Textbook Question
A young woman is put through an extensive battery of tests to determine the cause of her stomach pains. She is diagnosed with gastric ulcers. An antihistamine drug is prescribed, and she is sent home. What is the mechanism of her medication? What life-threatening problems can result from a poorly managed ulcer? Why did the clinic doctor warn the woman not to take aspirin?
4views - Textbook Question
Recently, more people have turned to surgery to help them lose weight. One form of weight control surgery involves stapling a portion of the stomach shut, creating a smaller volume. How would such a surgery result in weight loss?
4views - Textbook Question
Match the following terms with the correct definition.
__Chief cells
__Parietal cells
__Gastrin
__Pyloric sphincter
__Diffuse neuroendocrine (DNES) cells
__Gastroesophageal sphincter
__Pepsin
__Chyme
a. Hormone that stimulates multiple digestive processes
b. Enzyme that begins protein digestion
c. Produce acid and intrinsic factor
d. Liquid produced as a result of stomach churning
e. Produce pepsinogen
f. Cells in gastric glands that produce hormones
g. Controls passage of bolus from esophagus to stomach
h. Controls passage of stomach contents to duodenum
- Multiple Choice
Which of the following statements about chemical digestion in the stomach are correct:
I. Lipid digestion is begun by enzymes known as lipases.
II. HCl is breaks starches into component monosaccharides.
III. Proteins are denatured by the protein pepsin.