Question

Appetite for food is lost when 

A. Certain hypothalamic areas are stimulated.

B. Certain hypothalamic areas are destroyed. 

C. The stomach is distended. 

D. The stomach is surgically removed. 

E. Blood glucose falls.

Answer 1

A. True For example, when the ‘satiety’ centres are stimulated. 

B. True For example, when the ‘hunger’ centres are damaged. 

C. True Appetite is relieved after a meal before the food products of digestion are absorbed into the blood. 

D. False The drive to eat does not depend on an intact stomach.

E. False It increases as hypothalamic ‘glucostats’ detect the low glucose and excite the ‘hunger’ centres to generate the emotional drive to eat.