Question 1

The pH of the stomach is usually about

Accepted Answer

A)  2.0. 
B)  4.0. 
C)  7.0. 
D)  9.0. 
E)  11.0. 
A)  2.0. 
B)  4.0. 
C)  7.0. 
D)  9.0. 
E)  11.0.

Question 2

List the nine major digestive enzymes and the substrate each is responsible for breaking down.

Accepted Answer

Salivary amylase-starch
Pancre

Question 3

The digestive juices found in the stomach include

Accepted Answer

A)  trypsin and bile. 
B)  trypsin and pepsin. 
C)  bile and hydrochloric acid. 
D)  amylase and trypsin. 
E)  pepsin and hydrochloric acid. 
A)  trypsin and bile. 
B)  trypsin and pepsin. 
C)  bile and hydrochloric acid. 
D)  amylase and trypsin. 
E)  pepsin and hydrochloric acid.

Question 4

Which organ of the digestive tract functions to store food, kill bacteria, and partially digest proteins?

Accepted Answer

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

Question 5

Which of the following is a coenzyme needed for production of hemoglobin and formation of DNA?

Accepted Answer

A)  iron 
B)  folic acid (folacin) 
C)  copper 
D)  sodium 
E)  calcium 
A)  iron 
B)  folic acid (folacin) 
C)  copper 
D)  sodium 
E)  calcium

Question 6

Protein digestion takes place in the

Accepted Answer

A)  mouth, stomach, and small intestine. 
B)  stomach and small intestine. 
C)  stomach, esophagus, and small intestine. 
D)  mouth and large intestine. 
E)  small intestine, large intestine, and mouth. 
A)  mouth, stomach, and small intestine. 
B)  stomach and small intestine. 
C)  stomach, esophagus, and small intestine. 
D)  mouth and large intestine. 
E)  small intestine, large intestine, and mouth.

Question 7

Which item will most likely be eaten by an individual who suffers from pica?

Accepted Answer

A)  charcoal 
B)  cookies 
C)  cakes 
D)  ice cream 
E)  All of the answer choices are associated with pica. 
A)  charcoal 
B)  cookies 
C)  cakes 
D)  ice cream 
E)  All of the answer choices are associated with pica.

Question 8

At body temperature, which of these combinations is most likely to result in the digestion of fat?

Accepted Answer

A)  bile salts, sodium bicarbonate, lipase 
B)  bile salts, sodium bicarbonate, pepsin 
C)  HCl, maltase 
D)  bile salts, HCl, sodium bicarbonate, and trypsin 
E)  sodium bicarbonate, lipase 
A)  bile salts, sodium bicarbonate, lipase 
B)  bile salts, sodium bicarbonate, pepsin 
C)  HCl, maltase 
D)  bile salts, HCl, sodium bicarbonate, and trypsin 
E)  sodium bicarbonate, lipase

Question 9

List the organs that food will pass through, starting with the mouth and ending with the anus.

Accepted Answer

Mouth - pharynx - es

Question 10

The hepatic portal vein empties into the inferior vena cava.

Accepted Answer

A) True 
 B)False

Question 11

If the hepatic portal vein was blocked, blood would back up into the

Accepted Answer

A)  inferior vena cava 
B)  capillaries of the small intestine 
C)  capillaries of the liver 
D)  hepatic artery 
E)  hepatic vein 
A)  inferior vena cava 
B)  capillaries of the small intestine 
C)  capillaries of the liver 
D)  hepatic artery 
E)  hepatic vein

Question 12

Which of the following accurately describes an intestinal disorder?

Accepted Answer

A)  diarrhea-very slow movement of feces through the large intestine 
B)  constipation- feces moving too quickly through the digestive tract 
C)  polyps-small growths on the epithelial lining that can become cancerous 
D)  hemorrhoids-a sexually contracted disease 
E)  hepatitis-inflammation of the pancreas 
A)  diarrhea-very slow movement of feces through the large intestine 
B)  constipation- feces moving too quickly through the digestive tract 
C)  polyps-small growths on the epithelial lining that can become cancerous 
D)  hemorrhoids-a sexually contracted disease 
E)  hepatitis-inflammation of the pancreas

Question 13

Obesity, bulimia nervosa, and anorexia nervosa are alike in that

Accepted Answer

A)  all are difficult to treat and may be caused by a number of factors. 
B)  all involve eating far less than is required for the body to function. 
C)  all involve vomiting or purging after eating. 
D)  in all cases the person is actually starving to death regardless of their outside appearance. 
E)  in all cases the person is on a very restrictive diet. 
A)  all are difficult to treat and may be caused by a number of factors. 
B)  all involve eating far less than is required for the body to function. 
C)  all involve vomiting or purging after eating. 
D)  in all cases the person is actually starving to death regardless of their outside appearance. 
E)  in all cases the person is on a very restrictive diet.

Question 14

In order for fats to be digested into fatty acids and glycerol efficiently

Accepted Answer

A)  the pH must be around 2 and pepsin must be activated. 
B)  pancreatic juice must be secreted and pepsin must be activated. 
C)  bile must be present and the pH must be around 2. 
D)  the pH must be around 2 and pancreatic juice must be secreted. 
E)  pancreatic juice must be secreted and bile must be present. 
A)  the pH must be around 2 and pepsin must be activated. 
B)  pancreatic juice must be secreted and pepsin must be activated. 
C)  bile must be present and the pH must be around 2. 
D)  the pH must be around 2 and pancreatic juice must be secreted. 
E)  pancreatic juice must be secreted and bile must be present.

Question 15

Which of the following is involved in digestion?

Accepted Answer

A)  chewing of the food 
B)  churning and mixing of the food in the stomach 
C)  chemical digestion 
D)  enzymes breaking down proteins 
E)  All of the answer choices are involved in digestion. 
A)  chewing of the food 
B)  churning and mixing of the food in the stomach 
C)  chemical digestion 
D)  enzymes breaking down proteins 
E)  All of the answer choices are involved in digestion.

Question 16

Food is prevented from entering the trachea by the

Accepted Answer

A)  pharynx. 
B)  larynx. 
C)  epiglottis. 
D)  glottis. 
E)  sphincter muscle. 
A)  pharynx. 
B)  larynx. 
C)  epiglottis. 
D)  glottis. 
E)  sphincter muscle.

Question 17

List the seven functions of the liver.

Accepted Answer

1. Detoxifies the blood.
2. Stores iron

Question 18

Which eating disorder is characterized by an irrational fear of getting fat, often associated with a perceived body defect?

Accepted Answer

A)  anorexia nervosa 
B)  bulimia nervosa 
C)  binge-eating and purging 
D)  binge-eating 
E)  pica 
A)  anorexia nervosa 
B)  bulimia nervosa 
C)  binge-eating and purging 
D)  binge-eating 
E)  pica

Question 19

Which of the following lacks nutrients?

Accepted Answer

A)  fiber 
B)  carbohydrates 
C)  proteins 
D)  lipids 
E)  vitamins 
A)  fiber 
B)  carbohydrates 
C)  proteins 
D)  lipids 
E)  vitamins

Question 20

The release of secretin is stimulated by the action of

Accepted Answer

A)  the alkaline material in the duodenum. 
B)  bile. 
C)  muscular contractions in the stomach. 
D)  nerves to the duodenum. 
E)  acid in the chyme within the duodenum. 
A)  the alkaline material in the duodenum. 
B)  bile. 
C)  muscular contractions in the stomach. 
D)  nerves to the duodenum. 
E)  acid in the chyme within the duodenum.

Exam 14: Digestive System and Nutrition

The pH of the stomach is usually about

List the nine major digestive enzymes and the substrate each is responsible for breaking down.

The digestive juices found in the stomach include

Which organ of the digestive tract functions to store food, kill bacteria, and partially digest proteins?

Which of the following is a coenzyme needed for production of hemoglobin and formation of DNA?

Protein digestion takes place in the

Which item will most likely be eaten by an individual who suffers from pica?

At body temperature, which of these combinations is most likely to result in the digestion of fat?

List the organs that food will pass through, starting with the mouth and ending with the anus.

The hepatic portal vein empties into the inferior vena cava.

If the hepatic portal vein was blocked, blood would back up into the

Which of the following accurately describes an intestinal disorder?

Obesity, bulimia nervosa, and anorexia nervosa are alike in that

In order for fats to be digested into fatty acids and glycerol efficiently

Which of the following is involved in digestion?

Food is prevented from entering the trachea by the

List the seven functions of the liver.

Which eating disorder is characterized by an irrational fear of getting fat, often associated with a perceived body defect?

Which of the following lacks nutrients?

The release of secretin is stimulated by the action of

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