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Chapter 16: Organs Associated with the Digestive Tract

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In a liver biopsy from a long-time drug user which of the following hepatocyte organelles would be expected to be more extensive than normal?

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a. Rough endoplasmic reticulum

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b. Golgi apparatus

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c. Lysosomes

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d. Peroxisomes

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e. Smooth endoplasmic reticulum

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Which description is true of pancreatic zymogens?

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a. Are packaged for secretion in the SER

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b. Are synthesized on free ribosomes

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c. Are inactive until they reach the duodenal lumen

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d. Are stored in the basal cytoplasm of acinar cells

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e. Are produced by cuboidal cells lining the pancreatic duct

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Which process increases in response to parasympathetic stimulation of the salivary glands?

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a. Volume of secretion

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b. Cell division in secretory acini

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c. Mucus content of saliva

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d. Inorganic salts content of saliva

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e. Cell division in interlobular ducts

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Which feature is unique to the exocrine pancreas?

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a. Insulin-secreting β cells

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b. Centroacinar cells

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c. Predominately serous secretory cells

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d. Striated interlobular ducts

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e. Striated intralobular ducts

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Which description is true of the bile canaliculi?

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a. Are bordered directly by endothelial cells

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b. Are part of the portal triad

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c. Are surrounded by the hepatic sinusoids

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d. Lumens are entirely sealed by junctional complexes

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e. Normally contain some blood plasma

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Which description is true of the gallbladder?

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a. Dilutes bile

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b. Absorbs bile

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c. Secretes mucus

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d. Has a thick submucosa

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e. Is covered entirely by serosa

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Which ...

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