Exam 41: Animal Nutrition

Food being digested in the stomach is in a highly acidic environment. When the food is released from the stomach into the small intestine, why is the environment no longer acidic?

In a hydra, digestion is completed ________.

Nutrient-rich blood from the intestine is carried through the ________ to the liver.

Constipation can result from the consumption of a substance that ________.

The Pimas are a group of people living in the southwestern United States and Mexico. Although Pima Indians living in the United States and Mexico have a similar genetic background, a five-fold increase in the incidence of type II diabetes mellitus among U.S. Pima has been reported. The body mass index of Mexicans of non-Pima descent, Mexicans of Pima descent, and Pimas living in the United States is shown in the figure. Based on this information and the graph, what can you infer about the incidence of type II diabetes mellitus?

A fasting animal whose energy needs exceed those provided in its diet will draw on its stored resources in which order?

Coprophagy is important for the nutritional balance of ________.

If you were to jog 1 km a few hours after lunch, which stored fuel would you probably tap?

Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having ________.

Feelings of hunger can be stimulated by the hormone ________, but suppressed by the hormone ________.

Fat digestion yields fatty acids and glycerol. Protein digestion yields amino acids. Both digestive processes

If there is a strong genetic link for type II diabetes mellitus in your family, how might you minimize your risk of developing the disorder?

Animals that migrate great distances would obtain the greatest energetic benefit of storing chemical energy as ________.

Which of the following organs is incorrectly paired with its function?

Examine the digestive system structures in the figure. The agents that help emulsify fats are produced in location ________.

Which of the following is not a major activity of the stomach?

The process of obtaining food is known as ________ and requires specialized feeding mechanisms.

When the digestion and absorption of organic carbohydrates results in more energy-rich molecules than are immediately required by an animal, the excess is ________.

Three groups of cyclists consumed three different types of diets: high-carbohydrate; a diet mixed in carbohydrates, fat, and protein; or a diet higher in protein and fat. The average time each group could spend cycling over a six-hour period is shown in the accompanying graph. What conclusion from the data would help an athlete or trainer improve performance?

Among mammals, it is generally true that ________.