Review Questions

Which of the following is a pseudo-ruminant?

1. cow
2. pig
3. crow
4. horse

Which of the following statements is untrue?

1. Roughage takes a long time to digest.
2. Birds eat large quantities at one time so that they can fly long distances.
3. Cows do not have upper teeth.
4. In pseudo-ruminants, roughage is digested in the cecum.

The acidic nature of chyme is neutralized by ________.

1. potassium hydroxide
2. sodium hydroxide
3. bicarbonates
4. vinegar

The digestive juices from the liver are delivered to the ________.

1. stomach
2. liver
3. duodenum
4. colon

Which of the following statements is not true?

1. Essential nutrients can be synthesized by the body.
2. Vitamins are required in small quantities for bodily function.
3. Some amino acids can be synthesized by the body, while others need to be obtained from diet.
4. Vitamins come in two categories: fat-soluble and water-soluble.

Which of the following is a water-soluble vitamin?

1. vitamin A
2. vitamin E
3. vitamin K
4. vitamin C

What is the primary fuel for the body?

1. carbohydrates
2. lipids
3. protein
4. glycogen

Excess glucose is stored as ________.

1. fat
2. glucagon
3. glycogen
4. it is not stored in the body

Where does the majority of protein digestion take place?

1. stomach
2. duodenum
3. mouth
4. jejunum

Lipases are enzymes that break down ________.

1. disaccharides
2. lipids
3. proteins
4. cellulose

Which hormone controls the release of bile from the gallbladder

1. pepsin
2. amylase
3. CCK
4. gastrin

Which hormone stops acid secretion in the stomach?

1. gastrin
2. somatostatin
3. gastric inhibitory peptide
4. CCK