Undifferentiated, mitotically active epithelial ce

ATI LPN

ATI LPN Test Bank

Undifferentiated, mitotically active epithelial cells which can replace or regenerate the epithelial lining of the stomach are located:

A. among mucous cells of the gastric surface B. along the sides of gastric pits C. in the lamina propria D. in the neck region of gastric glands

Correct Answer: D

Rationale: Neck region stem cells regenerate gastric epithelium.

The vessel which drains bile from the liver, with branches in each portal area, is the:

A. hepatic artery B. portal vein C. central vein D. bile duct

Correct Answer: D

Rationale: Bile ducts drain bile from hepatocytes.

Blood cells (both RBCs and leukocytes) are retained by the sinusoidal endothelium and do not normally enter the:

A. hepatic artery B. lumen of hepatic sinusoids C. space of Disse D. central veins

Correct Answer: C

Rationale: Blood cells stay in sinusoids; plasma enters Disse.

Endocrine secretory products of hepatocytes include all of the following EXCEPT:

A. glucose (from glycogen) B. serum albumin C. prothrombin D. conjugated bilirubin and bile acids

Correct Answer: D

Rationale: Bilirubin and bile acids are exocrine, secreted into bile.

Which of the following is not a contributor to a condition of ascites?

A. Elevated levels of aldosterone B. Hypertension C. Low levels of albumin D. Elevated levels of angiotension I

Correct Answer: D

Rationale: Angiotensin I itself doesn't directly cause ascites; aldosterone and low albumin do.

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