Question

In the experiment by Tordoff and Friedman, what was noted as a reduced eating response in a hungry rat?

1) Infusions of glucose or fructose into the hepatic portal vein
2) Removal of nutrients from the stomach
3) Cutting the hepatic branch of the vagus nerve
4) Placement of nutrients directly into the stomach
5) Injection of 2-DG into the hepatic portal vein

Answer 1

Cutting the hepatic branch of the vagus nerve was noted as a reduced eating response in a hungry rat in the experiment by Tordoff and Friedman.

Step-by-step explanation:

In the experiment by Tordoff and Friedman, a reduced eating response in a hungry rat was noted when the hepatic branch of the vagus nerve was cut (Option 3).

The vagus nerve plays a role in conveying signals between the stomach and the brain, including signals related to hunger and satiety. Cutting the hepatic branch of the vagus nerve disrupts these signals and reduces the eating response in the rat.