Quiz 8

Question 1

Bile salts bind at their hydrophobic regions to large fat globules with the chyme that enters the duodenum. Bile salts break up the fat globule into smaller fat droplets. This role of bile salts is best described as

Answer 1

Lipid emulsification

Question 2

Cholesterol, though it is NOT an energy molecule, has importance in the body because it is

Answer 2

An important component of the plasma membrane and is the parent molecule of steroid hormones

Question 3

In metabolic terms, food digestion is a form of

Answer 3

Catabolism

Question 4

Building new protein molecules is a form of

Answer 4

Anabolism

Question 5

The colon absorbs

Answer 5

Much of the water and salts remaining in the wastes

Question 6

The colon is divided into

Answer 6

Ascending, transverse, and descending portions

Question 7

The colon contains

Answer 7

Abundant bacterial

Question 8

What is the function of the abundant bacterial found in the colon?

Answer 8

It synthesizes certain vitamins

Question 9

Chief cells produce

Answer 9

pepsinogen

Question 10

The bolus of food is liquefied in the

Answer 10

Stomach

Question 11

Liquefied bolus in the stomach is known as

Answer 11

Chyme

Question 12

The circular folds of the small intestine enhance absorption by

Answer 12

Causing chyme to spiral

Question 13

Total metabolic rate may increase when

Answer 13

Eating a meal