Question 1

Which organ stores bile until it is needed?

Accepted Answer

A)   stomach
B)   gallbladder
C)   liver
D)   pancreas
E)   small intestineF) All of the above
G) A) and B)

Question 2

The pyloric sphincter opens into the ________.

Accepted Answer

A)   large intestine
B)   rectum
C)   small intestine
D)   colon
E)   bile ductF) All of the above
G) A) and C)

Question 3

Which principal enzyme of secretion begins carbohydrate digestion?

Accepted Answer

A)   saliva
B)   bile
C)   gastric juice
D)   pancreatic juice
E)   hydrochloric acidF) D) and E)
G) None of the above

Question 4

________ are small vessels that connect arteries to veins.

Accepted Answer

The answer of ________ are small vessels that connect arteries...

Question 5

What is the class of enzymes that help digest proteins?

Accepted Answer

The answer of What is the class of enzymes that...

Question 6

The hepatic portal vein collects blood from the GI tract and conducts it to the ____.

Accepted Answer

A)   liver
B)   heart
C)   pancreas
D)   hepatic vein
E)   spleenF) B) and E)
G) C) and D)

Question 7

By the time the contents of the GI tract reach the ________, the three energy-yielding nutrients have been digested.

Accepted Answer

A)   pharynx
B)   ileum
C)   stomach
D)   duodenum
E)   pancreasF) D) and E)
G) B) and D)

Question 8

The wavelike muscular contractions of the GI tract that push its contents along are called "________."

Accepted Answer

The answer of The wavelike muscular contractions of the GI...

Question 9

Which of the following would a dietitian recommend to enhance digestion and absorption?

Accepted Answer

A)   Eating several snacks per day so the GI tract is not overwhelmed
B)   Combining different food groups
C)   Avoiding meat and fruit at the same meal
D)   Taking enzyme pills or powder periodically for system rejuvenation
E)   Eating only one type of food at each meal in order to avoid overstimulation of acidF) A) and E)
G) C) and D)

Question 10

How do intestinal cells facilitate nutrient absorption?

Accepted Answer

The inner surface of the small intestine...

Question 11

The semiliquid mass of partly digested food expelled by the stomach into the duodenum is called "________."

Accepted Answer

The answer of The semiliquid mass of partly digested food...

Question 12

How is blood routed through the digestive system?

Accepted Answer

A)   heart to arteries to capillaries (intestines)  to hepatic portal vein to capillaries (liver)  to hepatic vein to heart
B)   heart to capillaries to arteries (intestines)  to hepatic portal vein to arteries (liver)  to hepatic vein to heart
C)   heart to arteries to capillaries (liver)  to hepatic portal vein to capillaries (intestines)  to hepatic portal vein to heart
D)   heart to capillaries to arteries (gallbladder)  to hepatic portal vein to arteries (liver)  to hepatic vein to heart
E)   heart to arteries to capillaries (intestines)  to hepatic vein to capillaries (pancreas)  to hepatic portal vein to heartF) C) and D)
G) A) and B)

Question 13

Which vehicle provides the passageway from the lymphatic system to the vascular system?

Accepted Answer

A)   villi
B)   hepatic portal vein
C)   subclavian vein
D)   common bile duct
E)   thoracic ductF) A) and E)
G) C) and D)

Question 14

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

Accepted Answer

A)   duodenum
B)   cecum
C)   jejunum
D)   ileumE) None of the above
F) C) and D)

Question 15

Compare and contrast prebiotics and probiotics. Give examples of each type.

Accepted Answer

Prebiotics are food components (such as ...

Question 16

Which organ in the GI tract houses bacteria and lymph cells?

Accepted Answer

A)   mouth
B)   appendix
C)   liver
D)   gallbladder
E)   pancreasF) B) and E)
G) A) and D)

Question 17

Briefly describe the lymphatic system, including how it differs from the vascular system.

Accepted Answer

The lymphatic system provides a one-way ...

Question 18

Which of the following statements about taste buds is FALSE?

Accepted Answer

A)   They react only with particles in solution.
B)   Fluid is needed to help dissolve foods for tasting.
C)   There are five basic taste sensations: sweet, sour, bitter, salty, and umami.
D)   They can individually sense only one of the basic taste sensations at a time.
E)   Taste perceptions are influenced by aroma, appearance, and temperature.F) D) and E)
G) B) and E)

Question 19

Living microorganisms found in foods and dietary supplements that, when consumed in sufficient quantities, are beneficial to health are called "________."

Accepted Answer

A)   probiotics
B)   prebiotics
C)   postbiotics
D)   symbiotics
E)   abioticsF) A) and B)
G) C) and D)

Question 20

Water and small lipids cross into the intestines freely; therefore, they are absorbed by ________.

Accepted Answer

A)   simple diffusion
B)   complex diffusion
C)   facilitated transport
D)   active transport
E)   endocytosisF) A) and C)
G) D) and E)

Exam 3: Digestion, Absorption, and Transport

The wavelike muscular contractions of the GI tract that push its contents along are called "________."

Correct AnswerverifiedShow Answer

Which of the following statements about taste buds is FALSE?

Correct AnswerverifiedShow Answer

Water and small lipids cross into the intestines freely; therefore, they are absorbed by ________.

Correct AnswerverifiedShow Answer

Which principal enzyme of secretion begins carbohydrate digestion?

Correct AnswerverifiedShow Answer

The pyloric sphincter opens into the ________.

Correct AnswerverifiedShow Answer

________ are small vessels that connect arteries to veins.

Correct AnswerverifiedShow Answer

What is the class of enzymes that help digest proteins?

Correct AnswerverifiedShow Answer

Compare and contrast prebiotics and probiotics. Give examples of each type.

Correct AnswerverifiedPrebiotics are food components (such as ...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following would a dietitian recommend to enhance digestion and absorption?

Correct AnswerverifiedShow Answer

Which organ in the GI tract houses bacteria and lymph cells?

Correct AnswerverifiedShow Answer

By the time the contents of the GI tract reach the ________, the three energy-yielding nutrients have been digested.

Correct AnswerverifiedShow Answer

How do intestinal cells facilitate nutrient absorption?

Correct AnswerverifiedThe inner surface of the small intestine...View AnswerShow Answer

Which vehicle provides the passageway from the lymphatic system to the vascular system?

Correct AnswerverifiedShow Answer

The semiliquid mass of partly digested food expelled by the stomach into the duodenum is called "________."

Correct AnswerverifiedShow Answer

How is blood routed through the digestive system?

Correct AnswerverifiedShow Answer

Which organ stores bile until it is needed?

Correct AnswerverifiedShow Answer

Living microorganisms found in foods and dietary supplements that, when consumed in sufficient quantities, are beneficial to health are called "________."

Correct AnswerverifiedShow Answer

Briefly describe the lymphatic system, including how it differs from the vascular system.

Correct AnswerverifiedThe lymphatic system provides a one-way ...View AnswerShow Answer

The hepatic portal vein collects blood from the GI tract and conducts it to the ____.

Correct AnswerverifiedShow Answer

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Prebiotics are food components (such as ...
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The inner surface of the small intestine...
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The lymphatic system provides a one-way ...
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Correct Answer
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