Which of the following indicates the importance of peripheral nutrient receptors, located in the liver, in satiety?
A) Glucose infusions into the hepatic portal vein inhibit eating.
B) Insulin can initiate or inhibit eating.
C) Fructose infusions into the hepatic portal vein inhibit eating.
D) Nutrient receptors are located in the brain tissue surrounding the lateral ventricle.
E) Infusion of 2-DG into the lateral ventricle stimulates eating.
Answer: C
Rationale: The fact that fructose infusions into the hepatic portal vein inhibit eating indicates the importance of peripheral nutrient receptors, located in the liver, in satiety.
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