Question 1

When nutrients are transported from intestinal epithelial cells to the vascular system, what organ is first to receive them?

Accepted Answer

A)  Liver
B)  Heart
C)  Lungs
D)  KidneysE) B) and C)
F) None of the above

Question 2

Which of the following is a prominent feature of the expulsion of gas from the anus?

Accepted Answer

A)  It is normal
B)  It can usually be reduced by increasing fiber intake
C)  It is usually worsened by consuming foods rich in fats
D)  The gas expelled is composed mostly of sulfur dioxideE) B) and D)
F) A) and B)

Question 3

Which of the following conducts lymph into the vascular system?

Accepted Answer

A)  Villi
B)  Mesentery
C)  Subclavian vein
D)  Common bile ductE) A) and B)
F) A) and C)

Question 4

What substance protects the stomach lining from damage due to digestive juices?

Accepted Answer

A)  Water
B)  Mucus
C)  Pepsinogen
D)  Dietary fatsE) A) and B)
F) A) and C)

Question 5

Inflammation of the large intestine is known as

Accepted Answer

A)  colitis.
B)  indigestion.
C)  hemorrhoiditis.
D)  acid dysregulation.E) C) and D)
F) A) and B)

Question 6

What is a bolus?

Accepted Answer

A)  Enzyme that hydrolyzes starch
B)  Portion of food swallowed at one time
C)  Device used to analyze the contents of the stomach
D)  Sphincter muscle separating the stomach from the small intestineE) A) and C)
F) None of the above

Question 7

What structure controls the release of material from the stomach to the small intestine?

Accepted Answer

A)  Ileocecal valve
B)  Pyloric sphincter
C)  Diaphragmatic valve
D)  Esophageal sphincterE) B) and C)
F) A) and D)

Question 8

Which of the following is a feature of irritable bowel syndrome?

Accepted Answer

A)  Abdominal discomfort is usually mild
B)  Effective treatment includes peppermint oil
C)  Constipation rather than diarrhea is the major adverse effect
D)  A combination of stress plus certain foods is needed to trigger an attackE) A) and B)
F) B) and D)

Question 9

Your cousin Miguel is extolling the virtues of his new dietary supplement.He says that it contains enzymes that will make him healthier, and he asks for your opinion.You assure him that the enzymes

Accepted Answer

A)  will increase the digestibility of the foods he eats.
B)  could likely interfere with the enzymes secreted by his pancreas.
C)  could likely overload his gastrointestinal tract and lead to diarrhea.
D)  are proteins and proteins are destroyed in the gastrointestinal tract.E) B) and C)
F) All of the above

Question 10

After swallowing, in what order does food pass through the regions of the GI tract?

Accepted Answer

A)  Jejunum, duodenum, colon, ileum, rectum
B)  Jejunum, ileum, duodenum, rectum, colon
C)  Stomach, duodenum, jejunum, ileum, colon
D)  Stomach, jejunum, duodenum, colon, ileumE) A) and C)
F) All of the above

Question 11

Which of the following is a feature of peristalsis?

Accepted Answer

A)  It remains quiet between meals when the GI tract is empty
B)  It occurs along the GI tract at a constant rate when food is present
C)  It involves parallel and circular muscles found in the walls of the intestines but not the stomach
D)  It consists of wavelike muscular contractions resulting from alternate tightening and relaxing of circular muscles and longitudinal musclesE) None of the above
F) A) and D)

Question 12

Jim went for his annual medical check-up and was diagnosed with heartburn.Which of the following actions is most likely causing Jim's condition?

Accepted Answer

A)  Inhibition of peristalsis
B)  Overactive cardiac sphincter activity
C)  Overactive pyloric sphincter activity
D)  Defective lower esophageal sphincter activityE) A) and D)
F) All of the above

Question 13

Into what region of the intestinal tract does the stomach empty?

Accepted Answer

A)  Ileum
B)  Cecum
C)  Jejunum
D)  DuodenumE) A) and B)
F) C) and D)

Question 14

A solution with a pH of 7 is how many times more alkaline than one with a pH of 6?

Accepted Answer

A)  1
B)  5
C)  10
D)  100E) B) and D)
F) B) and C)

Question 15

What is reflux?

Accepted Answer

A)  Hard, dry, stools
B)  Backward flow of chyme
C)  Soft, poorly formed stools
D)  The mixture of bile and pancreatic juiceE) C) and D)
F) B) and C)

Question 16

What vessel carries blood from the liver to the heart?

Accepted Answer

A)  Aorta
B)  Hepatic vein
C)  Thoracic duct
D)  Hepatic portal veinE) B) and C)
F) None of the above

Question 17

Which of the following products of digestion is not normally released directly into the bloodstream?

Accepted Answer

A)  Fats
B)  Minerals
C)  Vitamin C
D)  CarbohydratesE) A) and D)
F) A) and B)

Question 18

Which of the following substances functions to control the release of hydrochloric acid to prevent excessive acidity?

Accepted Answer

A)  Fiber
B)  Gastrin
C)  Secretin
D)  BicarbonateE) A) and D)
F) B) and C)

Question 19

Which of the following is not considered one of the basic taste sensations?

Accepted Answer

A)  Hot
B)  Sour
C)  Salty
D)  BitterE) B) and C)
F) All of the above

Question 20

Which of the following best describes the normal pH of the stomach?

Accepted Answer

A)  Very acidic
B)  Slightly acidic
C)  Neutral
D)  Slightly alkalineE) A) and C)
F) A) and B)

Exam 3: Digestion, Absorption, and Transport

What structure controls the release of material from the stomach to the small intestine?

Correct AnswerverifiedShow Answer

Which of the following substances functions to control the release of hydrochloric acid to prevent excessive acidity?

Correct AnswerverifiedShow Answer

Which of the following is not considered one of the basic taste sensations?

Correct AnswerverifiedShow Answer

What vessel carries blood from the liver to the heart?

Correct AnswerverifiedShow Answer

Which of the following best describes the normal pH of the stomach?

Correct AnswerverifiedShow Answer

What is reflux?

Correct AnswerverifiedShow Answer

Inflammation of the large intestine is known as

Correct AnswerverifiedShow Answer

Your cousin Miguel is extolling the virtues of his new dietary supplement.He says that it contains enzymes that will make him healthier, and he asks for your opinion.You assure him that the enzymes

Correct AnswerverifiedShow Answer

Jim went for his annual medical check-up and was diagnosed with heartburn.Which of the following actions is most likely causing Jim's condition?

Correct AnswerverifiedShow Answer

What substance protects the stomach lining from damage due to digestive juices?

Correct AnswerverifiedShow Answer

Which of the following conducts lymph into the vascular system?

Correct AnswerverifiedShow Answer

Which of the following is a feature of peristalsis?

Correct AnswerverifiedShow Answer

When nutrients are transported from intestinal epithelial cells to the vascular system, what organ is first to receive them?

Correct AnswerverifiedShow Answer

A solution with a pH of 7 is how many times more alkaline than one with a pH of 6?

Correct AnswerverifiedShow Answer

Which of the following is a feature of irritable bowel syndrome?

Correct AnswerverifiedShow Answer

After swallowing, in what order does food pass through the regions of the GI tract?

Correct AnswerverifiedShow Answer

Into what region of the intestinal tract does the stomach empty?

Correct AnswerverifiedShow Answer

Which of the following products of digestion is not normally released directly into the bloodstream?

Correct AnswerverifiedShow Answer

Which of the following is a prominent feature of the expulsion of gas from the anus?

Correct AnswerverifiedShow Answer

What is a bolus?

Correct AnswerverifiedShow Answer

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