Question 1

Teeth are located in sockets in the jaws; these sockets are lined by a(n) ________ membrane.

Accepted Answer

The answer of Teeth are located in sockets in the...

Question 2

In the small intestine, amino acids and monosaccharaides are moved into the mucosal cells by the process of

Accepted Answer

A)  diffusion. 
B)  facilitated diffusion. 
C)  active transport. 
D)  endocytosis. 
E)  exocytosis. 
A)  diffusion. 
B)  facilitated diffusion. 
C)  active transport. 
D)  endocytosis. 
E)  exocytosis.

Question 3

Fats that are liquids at room temperature are considered ________ fats.

Accepted Answer

The answer of Fats that are liquids at room temperature...

Question 4

Natural sugars such as those from fruit and honey are classified as ________ carbohydrates.

Accepted Answer

The answer of Natural sugars such as those from fruit...

Question 5

The pancreatic ducts connect to the small intestine at the

Accepted Answer

A)  pyloric valve. 
B)  cecum. 
C)  duodenum. 
D)  ileum. 
E)  jejunum. 
A)  pyloric valve. 
B)  cecum. 
C)  duodenum. 
D)  ileum. 
E)  jejunum.

Question 6

Essential amino acids are

Accepted Answer

A)  used only for the production of hormones. 
B)  required in the diet because the human body cannot make them. 
C)  not found in a complete protein. 
D)  not used for the production of proteins. 
E)  required for the production of steroids. 
A)  used only for the production of hormones. 
B)  required in the diet because the human body cannot make them. 
C)  not found in a complete protein. 
D)  not used for the production of proteins. 
E)  required for the production of steroids.

Question 7

Match each layer of the gastrointestinal wall to its description.
-all nutrients must cross this layer

Accepted Answer

A) mucosa 
B) muscularis 
C) serosa 
D) submucosa 
A) mucosa 
B) muscularis 
C) serosa 
D) submucosa

Question 8

The small, fingerlike structure that extends from the cecum is the ________.

Accepted Answer

The answer of The small, fingerlike structure that extends from...

Question 9

Nutrition is the interaction between an organism and its ________.

Accepted Answer

The answer of Nutrition is the interaction between an organism...

Question 10

Match each of the following enzymes to its description.
-secreted in an inactive form by gastric glands

Accepted Answer

A) amylase 
B) chymotrypsin 
C) lipase 
D) pepsin 
A) amylase 
B) chymotrypsin 
C) lipase 
D) pepsin

Question 11

There are measurably more synthetic ________ in conventional foods when compared to organic foods.

Accepted Answer

The answer of There are measurably more synthetic ________ in...

Question 12

As food is chemically digested by the stomach, the pH of the gut fluids becomes very acidic. However, when the chyme is further processed in the small intestine, the gut fluid pH cannot remain that acidic. Explain the physiological processes that occur to chyme as it enters the duodenum to ensure that the pH is not damaging to the small intestine.

Accepted Answer

Chyme has a very low pH that must be neu

Question 13

Bacteria residing in the large intestine release ________, which is absorbed by the human host and used for the process of blood clotting.

Accepted Answer

The answer of Bacteria residing in the large intestine release...

Question 14

Pepsin is a digestive enzyme that specifically targets

Accepted Answer

A)  fatty acids. 
B)  steroids. 
C)  starch. 
D)  glycogen. 
E)  protein. 
A)  fatty acids. 
B)  steroids. 
C)  starch. 
D)  glycogen. 
E)  protein.

Question 15

The pancreas aids in the chemical digestion of food by

Accepted Answer

A)  producing mucin that lubricates the small intestine. 
B)  releasing digestive enzymes and bicarbonate ions into the duodenum. 
C)  producing chylomicrons. 
D)  producing and releasing gastrin into the stomach. 
E)  mechanically digesting the chyme as it leaves the stomach. 
A)  producing mucin that lubricates the small intestine. 
B)  releasing digestive enzymes and bicarbonate ions into the duodenum. 
C)  producing chylomicrons. 
D)  producing and releasing gastrin into the stomach. 
E)  mechanically digesting the chyme as it leaves the stomach.

Question 16

Mucin is a major component of saliva, which lubricates the teeth and causes food to stick together during swallowing.

Accepted Answer

A) True 
 B)False

Question 17

As chyme leaves the stomach, the acidic nature of the partially digested food stimulates the duodenum to release the hormone

Accepted Answer

A)  gastrin. 
B)  secretin. 
C)  mucin. 
D)  CCK. 
E)  ADH. 
A)  gastrin. 
B)  secretin. 
C)  mucin. 
D)  CCK. 
E)  ADH.

Question 18

Circular rings of smooth muscle that can contract to regulate the movement of food through the gastrointestinal tract are called ________.

Accepted Answer

The answer of Circular rings of smooth muscle that can...

Question 19

The process by which undigested material is removed from the gastrointestinal tract is

Accepted Answer

A)  secretion. 
B)  urination. 
C)  mechanical processing. 
D)  elimination. 
E)  absorption. 
A)  secretion. 
B)  urination. 
C)  mechanical processing. 
D)  elimination. 
E)  absorption.

Question 20

Once a bolus of food has been formed in the mouth, it is passed by the tongue and jaws to the

Accepted Answer

A)  esophagus. 
B)  stomach. 
C)  pharynx. 
D)  nasal passageway. 
E)  small intestine. 
A)  esophagus. 
B)  stomach. 
C)  pharynx. 
D)  nasal passageway. 
E)  small intestine.

Exam 14: The Digestive System and Nutrition

Teeth are located in sockets in the jaws; these sockets are lined by a(n) ________ membrane.

In the small intestine, amino acids and monosaccharaides are moved into the mucosal cells by the process of

Fats that are liquids at room temperature are considered ________ fats.

Natural sugars such as those from fruit and honey are classified as ________ carbohydrates.

The pancreatic ducts connect to the small intestine at the

Essential amino acids are

Match each layer of the gastrointestinal wall to its description. -all nutrients must cross this layer

The small, fingerlike structure that extends from the cecum is the ________.

Nutrition is the interaction between an organism and its ________.

Match each of the following enzymes to its description. -secreted in an inactive form by gastric glands

There are measurably more synthetic ________ in conventional foods when compared to organic foods.

Bacteria residing in the large intestine release ________, which is absorbed by the human host and used for the process of blood clotting.

Pepsin is a digestive enzyme that specifically targets

The pancreas aids in the chemical digestion of food by

Mucin is a major component of saliva, which lubricates the teeth and causes food to stick together during swallowing.

As chyme leaves the stomach, the acidic nature of the partially digested food stimulates the duodenum to release the hormone

Circular rings of smooth muscle that can contract to regulate the movement of food through the gastrointestinal tract are called ________.

The process by which undigested material is removed from the gastrointestinal tract is

Once a bolus of food has been formed in the mouth, it is passed by the tongue and jaws to the

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