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The portal vein carries nutrient-rich blood to which organ?

A.

Gallbladder

B.

Duodenum

C.

Liver

D.

Pancreas

Answer and Explanation

The Correct Answer is C

A. Gallbladder: The gallbladder stores bile, but it is not a major recipient of portal vein blood.

B. Duodenum: The duodenum receives chyme from the stomach, but not blood from the portal vein.

C. Liver: The portal vein carries nutrient-rich blood from the GI tract (including intestines and stomach) directly to the liver for metabolism and detoxification.

D. Pancreas: Although nearby, the pancreas is not the primary organ supplied by the portal vein for nutrient processing.


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Related Questions

Correct Answer is C

Explanation

A. Large intestine, excretion: The large intestine mainly absorbs water and forms feces; it does not have villi.

B. Pancreas, release of hormones: The pancreas releases insulin and glucagon but has no villi and is not directly involved in nutrient absorption.

C. Small intestine, absorption: Villi are fingerlike projections that line the small intestine to increase surface area for absorption of nutrients.

D. Gallbladder, production of bile: The liver produces bile; the gallbladder only stores it. Villi are not involved.

Correct Answer is B

Explanation

A. Stomach: The stomach primarily functions in mechanical digestion and protein breakdown, but most absorption does not occur here.

B. Duodenum/proximal jejunum: These regions of the small intestine are responsible for majority of digestion and nutrient absorption, including fats, carbohydrates, and proteins.

C. Ascending colon: This is part of the large intestine, mainly involved in water and electrolyte absorption, not digestion.

D. Transverse colon: Like the ascending colon, this structure primarily functions in water absorption and feces formation.

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