Question 1

Which organ stores bile until it is needed?

Accepted Answer

A)   stomach
B)   gallbladder
C)   liver
D)   pancreas
E)   small intestineF) A) and D)
G) B) and E)

Question 2

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 3

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 E)
G) D) and E)

Question 4

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

Accepted Answer

A)   duodenum
B)   cecum
C)   jejunum
D)   ileumE) A) and B)
F) All of the above

Question 5

The pyloric sphincter opens into the ________.

Accepted Answer

A)   large intestine
B)   rectum
C)   small intestine
D)   colon
E)   bile ductF) A) and B)
G) A) and C)

Question 6

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

Accepted Answer

The lymphatic system provides a one-way ...

Question 7

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) B) and C)
G) D) and E)

Question 8

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) A) and E)
G) B) and D)

Question 9

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

Accepted Answer

A)   mouth
B)   appendix
C)   liver
D)   gallbladder
E)   pancreasF) All of the above
G) C) and E)

Question 10

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) A) and E)
G) C) and D)

Question 11

What is the class of enzymes that help digest proteins?

Accepted Answer

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

Question 12

________ are small vessels that connect arteries to veins.

Accepted Answer

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

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 C)
G) A) and E)

Question 14

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) C) and D)
G) A) and D)

Question 15

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 16

How do intestinal cells facilitate nutrient absorption?

Accepted Answer

The inner surface of the small intestine...

Question 17

Which principal enzyme of secretion begins carbohydrate digestion?

Accepted Answer

A)   saliva
B)   bile
C)   gastric juice
D)   pancreatic juice
E)   hydrochloric acidF) B) and D)
G) A) and B)

Question 18

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 D)
G) D) and E)

Question 19

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

Accepted Answer

Prebiotics are food components (such as ...

Question 20

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) C) and D)
G) A) and B)

Exam 3: Digestion, Absorption, and Transport

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

Correct AnswerverifiedShow Answer

Which principal enzyme of secretion begins carbohydrate digestion?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statements about taste buds is FALSE?

Correct AnswerverifiedShow Answer

________ are small vessels that connect arteries to veins.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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

Correct AnswerverifiedShow Answer

How is blood routed through the digestive system?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the class of enzymes that help digest proteins?

Correct AnswerverifiedShow Answer

The pyloric sphincter opens into the ________.

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

Correct AnswerverifiedShow Answer

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

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

Which organ stores bile until it is needed?

Correct AnswerverifiedShow Answer

How do intestinal cells facilitate nutrient absorption?

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

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