Chapter 15

Food undergoes which of the following types of processing in the body?

A) Digestion
B) Absorption
C) Metabolism
D) all the above

Which of the following processes does not occur in the digestive system exclusively?

A) Digestion
B) Absorption
C) Metabolism
D) all of the above occur in the digestive system exclusively

Which of the following is a main organ of the digestive system?

A) Liver
B) Stomach
C) pancreas
C) both B and C above

The layer of the digestive tract that generates peristalsis is the:

A) serosa
B) Muscularis
C) Submucosa
D) Mucosa

The outermost layer of the digestive tract is;

A) Serosa
B) Muscularis
C) Submucosa
D) Mucosa

The layer of the digestive tract that contains blood vessels, nerves, and connective tissues is the:

A) Sersoa
B) Muscularis
C) Submucosa
D) Mucosa

Whiuch structure prevents food and liquid from entering the nasal cavities above the mouth?

A) Soft Palate
B) Frenulum
C) Vallate Papillae
D) both A and B above

Enamel is found in the:

A) root of the tooth
B) crown of the tooth
C) Neck of the tooth
D) all of the above

The largest of the salivary gland is the:

A) sublingual gland
B) submaxillary gland
C) parotid gland
D) submandibular gland

From which salivary gland do the ducts that open on either side of the frenulum cover?

A) Sublingual gland
B) Submaxilary gland
C) Submandibular gland
D) none of the above

The part of the stomach to the left of and above the opening of the esophagus into the stomach is the:

A) pylorus
B) Fundus
C) body
D) rugae

The part of the stomach that joins with the small intestine is the:

A) Pylorus
B) Fundus
C) Body
D) Ragae

Which of the followig structures does not help to increase the absorptive surface area of the small intestine?

A) Villi
B) pilcae
C) lacteal
D) microvilli

In which part of the small intestine does most of the chemical digestion occur?

A) ileum
B) Jejenum
C) duodenum
D) both A and C above

The function of bile is to:

A) chemically digest fat
B) Emulsify fat
C) Remove cholesterol from the body
D) both B and C above

Enzymes are important in:

A) mechanical digestion
B) deglutition
C) chemical digestion
D) both A and C

Amylase is made in the:

A) Salivary Gland
B) stomach
C) pancreas
D) both A and C

The end product in amylase digestion is:

A) sucrose
B) lactose
C) maltose
D) glucose

The most abundant end product of carbohydrate digestion is:

A) glucose
B) sucrose
C) lactose
D) maltose

Maltase and Sucase are made in the:

A) small intestine
B) stomach
C) liver
D) pancreas

Protein digestion begins in the:

A) stomach
B) small intestine
C) mouth
D) large intestine

Protien digestion:

A) end products are amiono acids
B) uses peptidase made in the small intestine
C) uses trypsin made in the pancreas
D) all of the above

Fat digestion begins in the:

A) mouth
B) small intestine
C) large intestine
D) Stomach

Bile:

A) causes the emulsification of fat
B) is made in the liver
C) works in the small intestine
D) all of the above

Lipase:

A) is made in the pancreas
B) is stored in the gallbladder
C) converts fatty acids and glycerol to fats
D) all of the above

The movement of digested food from the digestive system to the circulating fluid is called:

A) peristalsis
B) absorption
C) digestion
D) deglutition

Which of the following process is not considered an example of mechanical digestion?

A) amylase acting on food in the mouth
B) the teeth chewing
C) the stomach churning food
D) bile acting on food in the small intestine

Which of the following substances is absorbed by the large intestine?

A) salts
B) vitamin K
C) water
D) all of the above

The length of the gastrointestinal tract in an adult is about:

A) 39ft
B) 29ft
C) 19ft
D) 9ft

Which of the following is not true of the gastrointestinal tract?

A) it is about 9 ft long in adults
B) it is called the alimentary canal
C) the material of the GI tract is considered to be outside the body
D) all the above are true about the GI

The ducts that carry secretion from the pancreas empty into which part of the digestive tract?

A) jejenum
B) stomach
C) ileum
D) duodenun

Causes the emulsification of fat

Enzyme that reduces complex carbohydrate to maltose

This and fatty acids are the end products of fat digestion

Enzyme that converts maltose to simple sugars

Enzyme that is responsible for the chemical digestion of fats

Movement of digested food from the digestive system to the blood or the lymph

End product of carbohydrate digestion

Physical and chemical changes in food that prepares it for movement intpo the blood or lymph

Another word for swallowing

Enzyme that digest cane sugars

Another word for chewing

Protein-digesting enzyme in pancreatic juice

Enzyme that digest milk sugars