Hepatocytes are characterized by

ATI LPN

ATI LPN Test Bank

Hepatocytes are characterized by:

A. round nuclei (occasionally paired) B. plentiful rough and smooth endoplasmic reticulum C. many mitochondria D. all of the above

Correct Answer: D

Rationale: All features support metabolic functions.

What type of cell releases insulin?

A. b cells B. a cells C. plasma cells D. D cells

Correct Answer: A

Rationale: Beta cells in the pancreas release insulin.

Which of the following organs is supported by a layer of adventitia rather than serosa?

A. esophagus B. stomach C. small intestine D. large intestine

Correct Answer: A

Rationale: The esophagus has adventitia where it's outside the peritoneal cavity.

Which of these cells secrete hormones?

A. parietal cells B. mucous neck cells C. enteroendocrine cells D. chief cells

Correct Answer: C

Rationale: Enteroendocrine cells secrete GI hormones.

Where does the chemical digestion of starch begin?

A. mouth B. esophagus C. stomach D. small intestine

Correct Answer: A

Rationale: Salivary amylase begins starch digestion in the mouth.

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