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TLS Online TPP Program
#Question id: 12216
#Unit 7. System Physiology – Animal
Gastric emptying is regulated to ensure the chyme enters the duodenum at an appropriate rate. Which of the following factors promotes gastric emptying?
TLS Online TPP Program
#Question id: 12217
#Unit 7. System Physiology – Animal
Cystic fibrosis is the most common cause of pancreatitis in children. Which of the following best explains the mechanism of cystic fibrosis–induced pancreatitis?
TLS Online TPP Program
#Question id: 12218
#Unit 7. System Physiology – Animal
The control of gastric acid secretion in response to a meal involves several events that take place over a 4- or 5-hr period following the meal. These events include
(1) a decrease in the pH of the gastric contents,
(2) an increase in the rate of acid secretion,
(3) a decrease in the rate of acid secretion, and
(4) an increase in the pH of the gastric contents. Which of the following best describes
the correct temporal order of events over a 4- or 5-hr period following a meal?
TLS Online TPP Program
#Question id: 12277
#Unit 7. System Physiology – Animal
A 45-year-old man adds lots of high-fiber wheat and bran foods to his diet to reduce his cholesterol. He loses 30 lb on the new diet, but has undesirable side effects such as stomach cramps, flatulence, and diarrhea. His gastroenterologist diagnoses a syndrome called gluten-enteropathy or celiac sprue. Which of the following is decreased in this man?
TLS Online TPP Program
#Question id: 31404
#Unit 7. System Physiology – Animal
Which of the following substances must be digested before being absorbed by the small intestine?
TLS Online TPP Program
#Question id: 11537
#Unit 7. System Physiology – Animal
Testosterone is an example of a chemical signal that affects
the very cells that synthesize it, the neighboring cells in the testis, along
with distant cells outside the gonads. Thus, testosterone is an example of
________.