Question 1

Match the mesenteries or membranes with its appropriate description.
-transverse mesocolon

Accepted Answer

A)  mesentery of the small intestine
B)  serous membrane that covers organs
C)  attaches the liver to the diaphragm
D)  connects lesser curvature of stomach to the liver
E)  mesentery of the colonF) A) and E)
G) A) and D)

Question 2

The oral cavity

Accepted Answer

A)  opens into the nasopharynx.
B)  directly connects with the esophagus.
C)  contains the parotid salivary glands.
D)  has boundaries that include the lips,palate and cheeks.
E)  is lined with cuboidal epithelium.F) C) and D)
G) A) and E)

Question 3

A cell needs a receptor in order to absorb LDL's.A disease that interferes with the functioning of these LDL receptors would

Accepted Answer

A)  increase serum cholesterol levels.
B)  decrease serum cholesterol levels.
C)  halt endocytosis.
D)  promote endocytosis.
E)  have no effect on serum cholesterol or endocytosis.F) A) and D)
G) C) and D)

Question 4

What is the role of serotonin in the digestive tract?

Accepted Answer

A)  decreased nausea
B)  stimulates motility
C)  hormone release
D)  inhibits motilityE) All of the above
F) None of the above

Question 5

Bile is produced by cells of the

Accepted Answer

A)  duodenum.
B)  liver.
C)  gallbladder.
D)  pancreas.
E)  hepatopancreatic ampulla.F) A) and B)
G) C) and E)

Question 6

Match the disorder with the best description.
-GERD

Accepted Answer

A)  inflammation of the liver
B)  watery feces
C)  bad breath
D)  enlargement or inflammation of the vein of the anal canal
E)  chronic acid in the esophagus,F) B) and D)
G) A) and D)

Question 7

Which of the following pairs is mismatched?

Accepted Answer

A)  crown - enamel
B)  root - root canal
C)  alveoli - periodontal ligament
D)  pulp cavity - cementum
E)  apical foramen - blood supplyF) A) and B)
G) C) and D)

Question 8

An organ is described as follows: cords of cells radiating outward from a central vein with sinusoids between the cords of cells.The organ having this histological structure is the

Accepted Answer

A)  pancreas.
B)  spleen.
C)  liver.
D)  stomach.
E)  gall bladder.F) A) and B)
G) None of the above

Question 9

Which of the following is an accessory organ of the digestive tract?

Accepted Answer

A)  pharynx
B)  stomach
C)  liver
D)  large intestineE) None of the above
F) All of the above

Question 10

The movement of food through the digestive tract is

Accepted Answer

A)  segmentation.
B)  propulsion.
C)  mixing.
D)  mastication.E) A) and B)
F) None of the above

Question 11

Which of the following is an end product of protein digestion?

Accepted Answer

A)  glucose
B)  amino acids
C)  LDL molecules
D)  micelles
E)  nucleic acidsF) None of the above
G) B) and E)

Question 12

Match the enzyme or hormone with the organ that produces it.
-lactase

Accepted Answer

A)  salivary glands
B)  stomach
C)  liver
D)  small intestine
E)  pancreasF) A) and C)
G) C) and D)

Question 13

The hepatic sinusoids

Accepted Answer

A)  transport bile.
B)  have phagocytic cells in their lining.
C)  are part of the portal triad.
D)  connect to the gallbladder.
E)  do not have a function.F) C) and D)
G) B) and D)

Question 14

The abdominal cavity is lined with

Accepted Answer

A)  the omental bursa.
B)  mesenteries.
C)  the greater omentum.
D)  parietal peritoneum.
E)  superficial fascia.F) A) and B)
G) A) and E)

Question 15

LDL's are taken into a cell by the process of

Accepted Answer

A)  simple diffusion.
B)  osmosis.
C)  receptor mediated endocytosis.
D)  HDL carrier molecules.
E)  facilitated diffusion.F) A) and B)
G) B) and C)

Question 16

Which of the following organs is retroperitoneal?

Accepted Answer

A)  pancreas
B)  ascending colon
C)  duodenum
D)  descending colon
E)  All of these organs are retroperitonealF) A) and B)
G) A) and C)

Question 17

The gallbladder contracts in response to the hormone

Accepted Answer

A)  secretin.
B)  cholecystokinin.
C)  gastrin.
D)  somatostatin.
E)  insulin.F) All of the above
G) A) and D)

Question 18

Match the cell type with its function.
-absorptive cells

Accepted Answer

A)  produce hormones
B)  produce mucus
C)  may protect intestinal epithelium
D)  synthesize bile
E)  produce digestive enzymes,F) C) and D)
G) None of the above

Question 19

When intestinal chyme is highly concentrated,

Accepted Answer

A)  water moves by osmosis into the lumen of the small intestine.
B)  water moves by osmosis from the intestinal lumen into the blood.
C)  water moves by endocytosis from intestinal lumen into interstitial spaces.
D)  water moves by exocytosis from interstitial spaces into the stomach.
E)  water does not move.F) B) and E)
G) A) and B)

Question 20

Which of the following represents a mismatch in stomach wall structure?

Accepted Answer

A)  muscularis - two layers; both circular
B)  rugae - folds of mucosa and submucosa
C)  mucosa - gastric glands
D)  gastric pits - open onto surface of stomach mucosa
E)  lining - simple columnar epitheliumF) C) and D)
G) A) and B)

Exam 24: Digestive System

Which of the following organs is retroperitoneal?

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The movement of food through the digestive tract is

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Which of the following is an accessory organ of the digestive tract?

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What is the role of serotonin in the digestive tract?

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Which of the following is an end product of protein digestion?

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Match the mesenteries or membranes with its appropriate description. -transverse mesocolon

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Bile is produced by cells of the

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Which of the following pairs is mismatched?

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Match the disorder with the best description. -GERD

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Match the cell type with its function. -absorptive cells

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LDL's are taken into a cell by the process of

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The oral cavity

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An organ is described as follows: cords of cells radiating outward from a central vein with sinusoids between the cords of cells.The organ having this histological structure is the

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When intestinal chyme is highly concentrated,

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The hepatic sinusoids

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Which of the following represents a mismatch in stomach wall structure?

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The abdominal cavity is lined with

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Match the enzyme or hormone with the organ that produces it. -lactase

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A cell needs a receptor in order to absorb LDL's.A disease that interferes with the functioning of these LDL receptors would

Correct AnswerverifiedShow Answer

The gallbladder contracts in response to the hormone

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