Question 1

Which of the following organs does NOT provide secretions to aid in digestion?

Accepted Answer

A)   appendix
B)   stomach
C)   salivary glands
D)   liver
E)   pancreasF) A) and B)
G) None of the above

Question 2

A high-fiber diet can reduce pressure in the rectal veins and help prevent ________.

Accepted Answer

A)   reflux
B)   hiccups
C)   hemorrhoids
D)   peptic ulcers
E)   vomitingF) D) and E)
G) C) and E)

Question 3

What substance is secreted by the gallbladder to emulsify fats?

Accepted Answer

A)   bile
B)   mucus
C)   pepsinogen
D)   digestive enzymes
E)   gastrinF) D) and E)
G) A) and E)

Question 4

Which of the following is NOT contained in pancreatic juice?

Accepted Answer

A)   hydrolysis
B)   carbohydrase
C)   lipase
D)   protease
E)   bicarbonateF) A) and E)
G) C) and D)

Question 5

Choking occurs when food slips into the ________ and completely blocks passageways.

Accepted Answer

A)   pharynx
B)   larynx
C)   trachea
D)   esophagus
E)   diaphragmF) C) and E)
G) A) and B)

Question 6

Which statement about gastrointestinal microbes is FALSE?

Accepted Answer

A)   The GI tract is home to about 100 trillion microbes.
B)   Obese people have more diverse microbe populations than do nonobese people.
C)   Few microbes can live in the stomach.
D)   GI microbiota play a crucial role in health.
E)   GI microbiota change in response to short-term and long-term dietary patterns.F) B) and C)
G) A) and C)

Question 7

List and describe the three major hormones involved in digestion and absorption. Include what each responds to, where each is secreted from, what each stimulates, and the response to each stimulus.

Accepted Answer

Food entering the stomach stimulates cel...

Question 8

Celiac disease is an autoimmune disease characterized by the inflammation of the small intestine that occurs in response to foods that contain ________.

Accepted Answer

A)   gluten
B)   collagen
C)   whey
D)   elastin
E)   keratinF) B) and C)
G) A) and E)

Question 9

What is the name of the projections found on the inner surface of the small intestine?

Accepted Answer

A)   villi
B)   cilia
C)   mesenteric vessels
D)   vascular projectilesE) A) and B)
F) B) and D)

Question 10

The maintenance of constant internal conditions by the body's control systems is called "________."

Accepted Answer

The answer of The maintenance of constant internal conditions by...

Question 11

Bacteria in the GI tract also produce ________.

Accepted Answer

A)   mucus
B)   several minerals
C)   glucose
D)   several vitamins
E)   energyF) B) and D)
G) B) and E)

Question 12

Which of the following slows GI motility?

Accepted Answer

A)   gastrin
B)   secretin
C)   prozymogen
D)   cholecystokinin
E)   insulinF) A) and D)
G) A) and E)

Question 13

Which term describes fermentable oligosaccharides, disaccharides, monosaccharides, and polyols that are commonly found in wheat, onions, some fruits and vegetables, sorbitol, and some dairy?

Accepted Answer

A)   antacids
B)   diverticula
C)   gluten
D)   fodmap
E)   pepsisF) A) and B)
G) A) and C)

Question 14

What do sphincter muscles do?

Accepted Answer

A)   control peristalsis
B)   mix food with saliva
C)   secrete digestive juices into the GI tract
D)   regulate the flow of food particles along the GI tract
E)   trigger hormone releaseF) A) and E)
G) A) and D)

Question 15

Define bolus .

Accepted Answer

A)   enzyme that hydrolyzes starch
B)   portion of food swallowed at one time
C)   liver enzymes
D)   sphincter muscle separating the stomach from the small intestineE) All of the above
F) C) and D)

Question 16

The exchange of oxygen, nutrients, and waste materials takes place across ________ walls.

Accepted Answer

A)   ducts
B)   venule
C)   aortic
D)   capillary
E)   lymph vesselF) A) and B)
G) B) and C)

Question 17

What does gastrin do?

Accepted Answer

A)   It stimulates the pancreas to secret bicarbonate-rich juices into the small intestine to maintain a slightly alkaline pH.
B)   It stimulates stomach glands to release the components of hydrochloric acid to maintain an acidic pH.
C)   It stimulates the gallbladder to secret bile into the duodenum to emulsify fats.
D)   It stimulates the pancreas to secret enzyme-rich juices to digest fats and proteins.
E)   It stimulates the pancreas to secret enzyme-rich juices to slow GI tract motilityF) A) and C)
G) A) and B)

Question 18

The lymphatic system collects fluid from tissues throughout the body and directs its flow toward the ________.

Accepted Answer

A)   liver
B)   heart
C)   spleen
D)   pancreas
E)   gallbladderF) B) and C)
G) C) and E)

Question 19

Define "mastication."

Accepted Answer

A)   the act of chewing
B)   the process of swallowing
C)   the wavelike contraction of the intestines
D)   the contraction of the esophagusE) A) and B)
F) A) and C)

Question 20

Which of the following is NOT a muscular action of digestion?

Accepted Answer

A)   segmentation
B)   sphincter contractions
C)   peristalsis
D)   stomach action
E)   salivationF) A) and D)
G) All of the above

Exam 3: Digestion, Absorption, and Transport

Define "mastication."

Correct AnswerverifiedShow Answer

What do sphincter muscles do?

Correct AnswerverifiedShow Answer

Which statement about gastrointestinal microbes is FALSE?

Correct AnswerverifiedShow Answer

What does gastrin do?

Correct AnswerverifiedShow Answer

Which of the following is NOT contained in pancreatic juice?

Correct AnswerverifiedShow Answer

Choking occurs when food slips into the ________ and completely blocks passageways.

Correct AnswerverifiedShow Answer

Bacteria in the GI tract also produce ________.

Correct AnswerverifiedShow Answer

The lymphatic system collects fluid from tissues throughout the body and directs its flow toward the ________.

Correct AnswerverifiedShow Answer

The maintenance of constant internal conditions by the body's control systems is called "________."

Correct AnswerverifiedShow Answer

The exchange of oxygen, nutrients, and waste materials takes place across ________ walls.

Correct AnswerverifiedShow Answer

Celiac disease is an autoimmune disease characterized by the inflammation of the small intestine that occurs in response to foods that contain ________.

Correct AnswerverifiedShow Answer

A high-fiber diet can reduce pressure in the rectal veins and help prevent ________.

Correct AnswerverifiedShow Answer

Which of the following organs does NOT provide secretions to aid in digestion?

Correct AnswerverifiedShow Answer

Which term describes fermentable oligosaccharides, disaccharides, monosaccharides, and polyols that are commonly found in wheat, onions, some fruits and vegetables, sorbitol, and some dairy?

Correct AnswerverifiedShow Answer

Which of the following is NOT a muscular action of digestion?

Correct AnswerverifiedShow Answer

What substance is secreted by the gallbladder to emulsify fats?

Correct AnswerverifiedShow Answer

List and describe the three major hormones involved in digestion and absorption. Include what each responds to, where each is secreted from, what each stimulates, and the response to each stimulus.

Correct AnswerverifiedFood entering the stomach stimulates cel...View AnswerShow Answer

Define bolus .

Correct AnswerverifiedShow Answer

Which of the following slows GI motility?

Correct AnswerverifiedShow Answer

What is the name of the projections found on the inner surface of the small intestine?

Correct AnswerverifiedShow Answer

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Food entering the stomach stimulates cel...
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