The vessel which brings venous blood from the inte

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ATI LPN Test Bank

The vessel which brings venous blood from the intestine and spleen into the liver, with branches in each portal area, is the:

A. hepatic artery B. portal vein C. central vein D. sinusoid

Correct Answer: B

Rationale: The portal vein carries nutrient-rich blood from the gut.

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.

Which of the following is not a specific element of Hepatitis C?

A. Vaccine available B. May be transmitted with sexual contact C. Inflammation of the liver D. Lifetime carrier

Correct Answer: A

Rationale: No vaccine exists for Hepatitis C, unlike Hepatitis B.

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.

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