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Exam 24: The Digestive System

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Question 41

Multiple Choice

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Identify the structure indicated in the figure.

A) gallbladder
B) sigmoid colon
C) greater omentum
D) lesser omentum

E) A) and C)
F) A) and D)

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Question 42

Multiple Choice

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The sphincter of the hepatopancreatic ampulla (sphincter of Oddi) directly controls the flow of bile between:

A) the liver and the gallbladder.
B) the liver and the common bile duct
C) the gallbladder and the cystic duct
D) the common bile duct and the duodenum

E) None of the above
F) A) and D)

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Question 43

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The palatine tonsils are located in the uvula, at the posterior border of the soft palate.

Contraction of which of the following aid in defecation? 1) external anal sphincter 2) circular colon muscles 3 longitudinal rectal muscles 4) internal anal sphincter 5) diaphragm 6) abdominal muscles

Most pancreatic tissue is exocrine in function and is arranged in cell clusters called acini.

The upper esophageal sphincter is composed of a circular band of skeletal muscle. The lower esophageal sphincter is composed of a circular band of smooth muscle.

Bile secreted from the gallbladder and pancreatic juice secreted from the pancreas enter which portion of the GI tract?

The length of the GI tract is longer after death because of a lack of _____.

Which of the following substances are not absorbed in the large intestine?

The majority of nutrient digestion and absorption occurs in the small intestine.

The esophagus lies anterior to the trachea.

The peritoneal fold situated as a "fatty apron" anterior to the small intestine is the _____.

The opening of the accessory pancreatic duct (duct of Santorini) into the duodenum is inferior to the opening of the hepatopancreatic ampulla (ampulla of Vater).

The muscularis layer of the esophagus contains skeletal muscle superiorly and changes to smooth muscle inferiorly.