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Exam 16: The Digestive System

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Question 101

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Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code. a.secretin and CCK b.secretin c.CCK d.gastrin -Secreted by the small intestine

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Question 102

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The liver receives venous blood coming directly from the digestive tract and arterial blood coming from the aorta.

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Question 103

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Gastric mixing is

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code. a.secretin and CCK b.secretin c.CCK d.gastrin -Stimulate(s) the pancreatic acinar cells

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code . a.bile salts b.pepsin(ogen) c.amylase d.lipase e.trypsin(ogen) -Secreted by the salivary glands

The islets of ____________________ are the endocrine cells of the pancreas.

The stomach mucosa is thrown into folds known as villi.

Identify the true statement(s) about the lipid emulsion in the digestive system.

Saliva does not

Slow-wave potentials are always accompanied by contractile activity.

Excessive small intestinal motility can lead to constipation because there is less time for absorption to take place.

Match gastric cell with correct characteristic. a.chief cells b.parietal cells c.mucous cells d.G cells of PGA -Secrete pepsinogen

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code . a.bile salts b.pepsin(ogen) c.amylase d.lipase e.trypsin(ogen) -Recycled many times through enterohepatic circulation

The pancreas secretes enzymes involved in the digestion of all three categories of foodstuff.

____________________ cells are the resident macrophages of the liver.

Most of the fluid presented to the small intestine for absorption has been ingested in the most recent meal.

Match gastric cell with correct characteristic. a.chief cells b.parietal cells c.mucous cells d.G cells of PGA -Secrete HCl

The parietal cells secrete both pepsinogen and intrinsic factor.

All the pancreatic enzymes are secreted in inactive form.

Match the following statements with all appropriate organ number(s).Some numbers may be used more than once. ________Secretes harmanes that inhibit the stamach __________Synthesizes bile __________Contans parietal and chef cells ___________All argans that produce an enryme that hydralyzes starch ____________Experiences mess movement ____________Thee structures atteched to the cecum _____________Cantains crypts of Lieberkibn ____________Stares a substance needed for fat emulsification _____________Stretching this initiztes the defecation reflex _____________Exgleriences 5epmentation ____________Stretching this initiates the ga5traieal and gastucalic reflexes ____________Esgeriences haustral churning