Question 1

The mouth initiates the liquefying process to reduce the food to a coarse mash suitable for swallowing.

Accepted Answer

A) True 
 B)False

Question 2

The ____ prevents food from entering the lungs.

Accepted Answer

A)  ​lower esophageal sphincter 
B)  ​pharynx 
C)  ​ileocecal valve 
D)  ​epiglottis 
E)  ​esophagus 
A)  ​lower esophageal sphincter 
B)  ​pharynx 
C)  ​ileocecal valve 
D)  ​epiglottis 
E)  ​esophagus

Question 3

Which factor is most instrumental to the optimal health and performance of the digestive system?

Accepted Answer

A)  ​bicarbonate 
B)  ​adequate sleep 
C)  ​the glycemic index 
D)  ​hepatic shunting 
E)  ​enzyme supplements 
A)  ​bicarbonate 
B)  ​adequate sleep 
C)  ​the glycemic index 
D)  ​hepatic shunting 
E)  ​enzyme supplements

Question 4

Drinking plenty of water in conjunction with eating foods high in fiber supplies fluid for the fiber to take up, thus relieving constipation.

Accepted Answer

A) True 
 B)False

Question 5

Matching
-mouth

Accepted Answer

A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract. 
A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract.

Question 6

Of all the organs in the GI tract, the small intestine has the thickest walls and strongest muscles.

Accepted Answer

A) True 
 B)False

Question 7

Which substance is not found in gastric juice?

Accepted Answer

A)  ​water 
B)  ​lipase 
C)  ​chylomicrons 
D)  ​hydrochloric acid 
E)  ​pepsin 
A)  ​water 
B)  ​lipase 
C)  ​chylomicrons 
D)  ​hydrochloric acid 
E)  ​pepsin

Question 8

Which food would be digested most quickly?

Accepted Answer

A)  ​a scoop of lemon sherbet 
B)  ​an apple 
C)  ​a baked potato with sour cream 
D)  ​a piece of cheese on a cracker 
E)  ​peanut butter on celery 
A)  ​a scoop of lemon sherbet 
B)  ​an apple 
C)  ​a baked potato with sour cream 
D)  ​a piece of cheese on a cracker 
E)  ​peanut butter on celery

Question 9

Outline and trace the path food follows through the digestive tract from one end to the other.

Accepted Answer

(For this question, a list of the struct

Question 10

Matching
-​trachea

Accepted Answer

A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract. 
A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract.

Question 11

Digestion is completed in the large intestine.

Accepted Answer

A) True 
 B)False

Question 12

When nutrients enter the blood vessels from the small intestine, they are first transported to the ____.

Accepted Answer

A)  ​kidney 
B)  ​liver 
C)  ​cells throughout the body 
D)  ​thoracic duct 
E)  ​spleen 
A)  ​kidney 
B)  ​liver 
C)  ​cells throughout the body 
D)  ​thoracic duct 
E)  ​spleen

Question 13

Matching
-pharynx

Accepted Answer

A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract. 
A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract.

Question 14

The products of amylase digestion in the mouth are ____.

Accepted Answer

A)  ​proteins 
B)  ​monosaccharides and lactose 
C)  ​polysaccharides and maltose 
D)  ​polysaccharides and sucrose 
E)  ​lipids and proteins 
A)  ​proteins 
B)  ​monosaccharides and lactose 
C)  ​polysaccharides and maltose 
D)  ​polysaccharides and sucrose 
E)  ​lipids and proteins

Question 15

Matching
-ileocecal valve

Accepted Answer

A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract. 
A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract.

Question 16

Two organs that secrete digestive juices into the small intestine are the ____ and the ____.

Accepted Answer

A)  ​gallbladder; pancreas 
B)  ​pancreas; liver 
C)  ​gallbladder; liver 
D)  ​duodenum; pancreas 
E)  ​appendix; prostate 
A)  ​gallbladder; pancreas 
B)  ​pancreas; liver 
C)  ​gallbladder; liver 
D)  ​duodenum; pancreas 
E)  ​appendix; prostate

Question 17

Describe the role of the stomach in the process of digestion.

Accepted Answer

Gastric juice, secreted by the gastric g

Question 18

Describe how the US government is working to help keep foods safe.

Accepted Answer

​To improve the safety of the U.S. food

Question 19

Matching
-jejunum

Accepted Answer

A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract. 
A) the oral cavity containing the tongue and teeth. 
B) the passageway leading from the nose and mouth to the larynx and esophagus, respectively. 
C) a cartilage structure in the throat that prevents fluid or food from entering the trachea when a person swallows. 
D) the passageway from the mouth and nose to the lungs. 
E) the conduit from the mouth to the stomach.
F)the sphincter muscle at the junction between the esophagus and the stomach.
G)the sphincter muscle separating the stomach from the small intestine.
H)the organ that stores and concentrates bile.
I)a gland that secretes enzymes and digestive juices into the duodenum.
J)a 10-foot length of small-diameter (1-inch diameter) intestine that is the major site of digestion of food and absorption of nutrients.
K)the top portion of the small intestine.
L)the first two-fifths of the small intestine beyond the duodenum.
M)the last segment of the small intestine.
N)the sphincter muscle separating the small and large intestines.
O)the last portion of the intestine, which absorbs water.
P)a narrow blind sac extending from the beginning of the large intestine; stores lymphocytes.
Q)the muscular terminal part of the GI tract extending from the sigmoid colon to the anus.
R)the terminal sphincter muscle of the GI tract.

Question 20

Fiber functions to ____.

Accepted Answer

A)  ​aid in the absorption of vitamins 
B)  ​produce GI bacteria 
C)  ​stimulate the GI tract muscles 
D)  ​stimulate the absorption of nutrients 
E)  ​produce chyme 
A)  ​aid in the absorption of vitamins 
B)  ​produce GI bacteria 
C)  ​stimulate the GI tract muscles 
D)  ​stimulate the absorption of nutrients 
E)  ​produce chyme

Exam 5: Digestion and Absorption

The mouth initiates the liquefying process to reduce the food to a coarse mash suitable for swallowing.

The ____ prevents food from entering the lungs.

Which factor is most instrumental to the optimal health and performance of the digestive system?

Drinking plenty of water in conjunction with eating foods high in fiber supplies fluid for the fiber to take up, thus relieving constipation.

Matching -mouth

Of all the organs in the GI tract, the small intestine has the thickest walls and strongest muscles.

Which substance is not found in gastric juice?

Which food would be digested most quickly?

Outline and trace the path food follows through the digestive tract from one end to the other.

Matching -​trachea

Digestion is completed in the large intestine.

When nutrients enter the blood vessels from the small intestine, they are first transported to the ____.

Matching -pharynx

The products of amylase digestion in the mouth are ____.

Matching -ileocecal valve

Two organs that secrete digestive juices into the small intestine are the ____ and the ____.

Describe the role of the stomach in the process of digestion.

Describe how the US government is working to help keep foods safe.

Matching -jejunum

Fiber functions to ____.

Overview of Nutrition and Health

Carbohydrates

Lipids

Protein

Metabolism Energy Balance and Body Composition

Weight Management Overweight and Underweight

The Vitamins

Water and the Minerals

Fitness and Nutrition

Nutrition Through the Life Span Pregnancy and Lactation

Nutrition Through the Life Span Infancy Childhood and Adolescence

Nutrition Through the Life Span Later Adulthood

Illness and Nutrition Care

Medications - Diet Drug Interactions - and Herbal Supplements

Specialized Nutrition Support - Enteral and Parenteral Nutrition

Foods and Food Consistency for Upper Gi Disorders

Fiber-Modified Diets for Lower Gastrointestinal Tract Disorders

Carbohydrate - and Fat Modified Diets for Malabsorption Disorders

Nutrition Therapy for Liver and Gallbladder Diseases

Carbohydrate Controlled Diets for Diabetes Mellitus

Fat Controlled - Mineral Modified Diets for Cardiovascular Diseases

Protein - Mineral - and Fluid Modified Diets for Kidney Diseases

Energy - and Protein - Modified Diets for Metabolic and Respiratory Stress

Energy - and Protein - Modified Diets for Cancer and HIV Infection

Filters

Matching -trachea

Two organs that secrete digestive juices into the small intestine are the and the .