Which situation below would be expected to produce the largest ...

[ssal]

Which situation below would be expected to produce the largest degree of stomach fullness?
 
  A) placing a small volume of food directly into the stomach
  B) swallowing a mouthful of food that then exits via the esophagus
  C) swallowing a mouthful of food that is restricted to the stomach
  D) chewing a bite of food and then spitting it out
  E) distension of the stomach by an inflatable bag, in combination with infusion of nutrients directly into the duodenum

Question 2

Experiments by Deutsch and colleagues allowed rats to eat until they were satiated and then withdrew a few milliliters of diet from their stomach using an implanted catheter. After the withdrawal, the rats
 
  A) ate until they became obese.
  B) reported no hunger pangs.
  C) showed evidence of continued short-term satiety.
  D) experienced periodic feelings of hunger.
  E) ate enough food to replace that withdrawn from the stomach.

[honnalora]

Answer to Question 1

Answer: E
Rationale: The largest degree of stomach fullness would be produced by distension of the stomach by an inflatable bag, in combination with infusion of nutrients directly into the duodenum.

Answer to Question 2

Answer: E
Rationale: Experiments by Deutsch and colleagues allowed rats to eat until they were satiated and then withdrew a few milliliters of diet from their stomach using an implanted catheter. After the withdrawal, the rats ate enough food to replace that withdrawn from the stomach.

[ssal]

Excellent

[scottmt]

Gracias!