What fluid flows within hepatic sinusoids?

ATI LPN

ATI LPN Test Bank

A. bile B. lymph C. venous blood from intestine and spleen D. mixed arterial and venous blood

Correct Answer: D

Rationale: Sinusoids carry mixed portal and arterial blood.

Which of the following is not a specific element of duodenal ulcers?

A. Primarily affects males B. Occasional malignancy C. Can lead to weight gain D. Affects people over 65

Correct Answer: C

Rationale: Duodenal ulcers typically cause weight loss due to pain, not gain.

What type of cell releases glucagon?

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

Correct Answer: B

Rationale: Alpha cells in the pancreas release glucagon.

Which of these organs is not considered an accessory digestive structure?

A. mouth B. salivary glands C. pancreas D. liver

Correct Answer: A

Rationale: The mouth is part of the GI tract, not an accessory organ.

Which phase of deglutition involves contraction of the longitudinal muscle layer of the muscularis?

A. voluntary phase B. buccal phase C. pharyngeal phase D. esophageal phase

Correct Answer: D

Rationale: The esophageal phase involves longitudinal muscle for peristalsis.

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