CH 9 Quiz

True

Homeostasis refers to temperature regulation and other biological processes that keep body variables within a fixed range.

True

Most mammals at about the age of weaning lose the intestinal enzyme lactase.

availability of glucose to the cells.

Variations in insulin level alter hunger by changing the:

Mouth

What is the first point in the digestive system where enzymes begin to break down food?

Leptin

Which of the following substances is produced by fat cells?

Bulimia

A cycle of food-deprivation followed by overeating characterizes:

False

Humans and all other mammals are poikiolothermic.

Satiety

Tasting and chewing are motivating factors in:

After eating salty foods.

When would you be most likely to experience osmotic thirst?

False

Whether or not a person becomes obese is entirely dependent on their genetic makeup.