题目内容
Which of the following capillaries has the lowest capillary permeability to plasma molecules?( )
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A 26-year-old woman recently decided to adopt a healthier diet and eat more fruits and vegetables. Aa a result, her potassium intake increased from 80 to 160 mmol/day. Which of the following conditions would you expect to find 2 weeks after she increased her potassium intake, compared with before the increase? In terms of potassium excretion rate, sodium excretion rate, plasma aldosterone concentration and plasma potassium concentration, respectively. ( )
A 55-year-old man who has been undergoing stable and successful anticoagulation with warfarin for recurrent deep vein thrombosis is treated for pneumonia, and 8 days later he presents with lower intestinal bleeding. His prothrombin time is quite prolonged. What is the appropriate therapy? ()
A clinical study is conducted to determine the time course of gastric acid secretion and gastric pH in healthy volunteers after a meal consisting of 10 percent fat, 30 percent protein, and 60 percent carbohydrate. The results show an immediate increase in the pH of the gastric juice after the meal, which is followed several minutes later by a secondary increase in the rate of acid secretion. A decrease in which substance is most likely to facilitate the secondary increase in the rate of acid secretion in these volunteers?( )
Which of the following best describes the process by which glucose can be formed from amino acids?( )
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