Which of the following is not a specific element o

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Which of the following is not a specific element of duodenal ulcers?

A. Primarily affects males B. Occasional malignancy C. Can lead to weight gain D. Affects people over 65

Correct Answer: C

Rationale: Duodenal ulcers typically cause weight loss due to pain, not gain.

Which of these organs is not considered an accessory digestive structure?

A. mouth B. salivary glands C. pancreas D. liver

Correct Answer: A

Rationale: The mouth is part of the GI tract, not an accessory organ.

Which phase of deglutition involves contraction of the longitudinal muscle layer of the muscularis?

A. voluntary phase B. buccal phase C. pharyngeal phase D. esophageal phase

Correct Answer: D

Rationale: The esophageal phase involves longitudinal muscle for peristalsis.

Pancreatic juice ________.

A. deactivates bile B. is secreted by pancreatic islet cells C. buffers chyme D. is released into the cystic duct

Correct Answer: C

Rationale: Pancreatic juice neutralizes acidic chyme.

Each of the following organs is a component of the digestive tract except one. Identify the exception.

A. spleen B. esophagus C. stomach D. colon

Correct Answer: A

Rationale: The spleen is not part of the digestive tract.

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