What research evidence most strongly challenged the belief t

What research evidence most strongly challenged the belief that gastric activity is the basis for hunger?

People whose stomachs have been surgically removed still experience hunger pangs.

Some people never experience stomach cues.

The stomach cannot send signals that stop hunger.

A balloon inserted in the stomach can speed up or slow down stomach contractions.

Solution

1) What research evidence most strongly challenged the belief that gastric activity is the basis for hunger?

Answer:

A) People whose stomachs have been surgically removed still experience hunger pangs.

Stomach signals are not the only factors that affect hunger, people whose stomachs have been surgically removed still get hunger pangs. Three important chemical substances are involved in hunger than an empty stomach; Glucose (blood sugar), Insulin and Leptin. Hypothalamus plays a key role in regulating important body functions, including hunger.