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Digestive Physiology Pt. 2
Based on lectures 3 - 4
Terms in this set (60)
Motility in the small intestine is controlled by ____________________________ and ___________________ contractions to ensure that the small intestine is not overwhelmed by chyme.
segmental and peristaltic
Most of the absorbed nutrient from intestinal epithelium go to the ____________________________ for distribution but fats use ______________________________ to enter circulatory system.
Stem cells in the ___________________ produce new epithelial cells to replace those that die or are damaged
Most absorption occurs along the ___________ while most fluid secretion occurs in the ____________________.
Most nutrients absorbed by the intestine pass through the ____________________, which serves as a filter that can remove potentially harmful xenobiotics before they get into the systemic circulation
What are the 5 intestinal secretions that promote digestion?
1. digestive enzymes
3. bicarbonate secretion
5. isotonic NaCl secretion
The endocrine portion of the pancreas secretes _____________ and ________________.
insulin and glucagon
The ____________________ portion of the pancreas secretes digestive enzymes and sodium bicarbonate
The enzyme secretion of the exocrine portion of the pancreas is located in the brush border and converts ____________________ to trypsin
The _________________________ secretion of the pancreas neutralizes gastric acid
_________________ cells secrete digestive enzymes
____________________ cells secrete NaHCO3 that enters the digestive tract
_____________________ cells secrete hormones that enter the blood
Bile is secreted by ________________
What makes up the composition of bile?
bile salts, bile pigments, and cholesterol
Other sets by this creator
Digestive Physiology Pt. 3
Digestive Physiology Pt. 1
Renal Physiology Pt. 4
Renal Physiology Pt. 3
Body mass index (BMI) is a ratio of a person's weight to his or her a. age. b. activity level. c. height. d. basal metabolic rate.
According to the graph, which of the following statements is true? F. Adults are less conscientious and more emotionally stable than teenagers. G. Adults are more conscientious and less emotionally stable than teenagers. H. Adults are less conscientious and less emotionally stable than teenagers. J. Adults are more conscientious and more emotionally stable than teenagers.
You are cooking dinner for your family. You go to the grocery store to buy the ingredients. List four factors that may influence your food choices.
Compare the roles of heredity and lifestyle in determining your body shape and body weight.
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