Question 1

The fingerlike projections along the surface of the small intestine are called

Accepted Answer

A)   mucosa.
B)   lacteals.
C)   capillaries.
D)   villi.
E)   appendix.F) C) and D)
G) A) and B)

Question 2

Which layer of the intestinal wall will first absorb nutrients from the lumen?

Accepted Answer

A)   serosa
B)   longitudinal muscle
C)   circular muscle
D)   submucosa
E)   mucosaF) A) and E)
G) A) and C)

Question 3

Antioxidants are

Accepted Answer

A)   toxic chemicals that must be avoided in the diet.
B)   the breakdown products of protein digestion.
C)   another name for free radicals.
D)   chemicals found in fruits and vegetables that defend against free radicals.
E)   only found in food supplements in pill form.F) C) and E)
G) B) and E)

Question 4

Starting from the inside of the esophagus and going to the outside,the layers of the digestive tract in sequence are

Accepted Answer

A)   serosa  →\rarr→  smooth muscle  →\rarr→  submucosa  →\rarr→  mucosa.
B)   serosa  →\rarr→  submucosa  →\rarr→  smooth muscle  →\rarr→  mucosa.
C)   mucosa  →\rarr→  smooth muscle  →\rarr→  submucosa  →\rarr→  serosa.
D)   mucosa  →\rarr→  submucosa →\rarr→  serosa  →\rarr→  smooth muscle.
E)   mucosa  →\rarr→  submucosa  →\rarr→  smooth muscle  →\rarr→  serosa. F) A) and B)
G) A) and C)

Question 5

In humans,digestion of starch begins in the

Accepted Answer

A)   mouth.
B)   esophagus.
C)   stomach.
D)   duodenum.
E)   large intestine.F) B) and D)
G) A) and B)

Question 6

Which of the following human digestive enzymes is incorrectly matched to its substrate?

Accepted Answer

A)   pepsin-protein
B)   trypsin-nucleic acid
C)   salivary amylase-starch
D)   lipase-fat
E)   maltase-maltoseF) B) and D)
G) B) and C)

Question 7

If the hepatic portal vein was blocked,where would the blood that was supposed to flow into the hepatic portal vein back up?

Accepted Answer

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

Question 8

Which structure in Figure 14.1 stores food,has limited digestion,and secretes HCl?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) A) and B)
G) D) and E)

Question 9

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 intestineF) All of the above
G) A) and D)

Question 10

Which of the following is NOT a mineral required by the body?

Accepted Answer

A)   iron
B)   folic acid (folacin) 
C)   copper
D)   sodium
E)   calciumF) D) and E)
G) A) and D)

Exam 14: Digestive System and Nutrition

Which layer of the intestinal wall will first absorb nutrients from the lumen?

Correct Answer
verified

In humans,digestion of starch begins in the

Correct Answer
verified

Starting from the inside of the esophagus and going to the outside,the layers of the digestive tract in sequence are

Correct Answer
verified

Which of the following human digestive enzymes is incorrectly matched to its substrate?

Correct Answer
verified

Which of the following is NOT a mineral required by the body?

Correct Answer
verified

If the hepatic portal vein was blocked,where would the blood that was supposed to flow into the hepatic portal vein back up?

Correct Answer
verified

The fingerlike projections along the surface of the small intestine are called

Correct Answer
verified

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

Correct Answer
verified

Antioxidants are

Correct Answer
verified

Which structure in Figure 14.1 stores food,has limited digestion,and secretes HCl?

Correct Answer
verified

Exam 14: Digestive System and Nutrition

Which layer of the intestinal wall will first absorb nutrients from the lumen?

Correct AnswerverifiedShow Answer

In humans,digestion of starch begins in the

Correct AnswerverifiedShow Answer

Starting from the inside of the esophagus and going to the outside,the layers of the digestive tract in sequence are

Correct AnswerverifiedShow Answer

Which of the following human digestive enzymes is incorrectly matched to its substrate?

Correct AnswerverifiedShow Answer

Which of the following is NOT a mineral required by the body?

Correct AnswerverifiedShow Answer

If the hepatic portal vein was blocked,where would the blood that was supposed to flow into the hepatic portal vein back up?

Correct AnswerverifiedShow Answer

The fingerlike projections along the surface of the small intestine are called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Antioxidants are

Correct AnswerverifiedShow Answer

Which structure in Figure 14.1 stores food,has limited digestion,and secretes HCl?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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