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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 A

Explanation

A. Colon: The sigmoid colon is the S-shaped terminal portion of the large intestine, connecting to the rectum.

B. Esophagus: The esophagus is part of the upper digestive tract, not the colon.

C. Small intestine: The sigmoid colon is not a part of the small intestine.

D. Stomach: The stomach is part of the upper GI tract and does not include the sigmoid colon.

Correct Answer is A

Explanation

A. Epiglottis: The epiglottis is a flap of cartilage that covers the laryngeal opening during swallowing to prevent food or liquid from entering the airway.

B. Tonsils: Tonsils are lymphatic tissues in the pharynx that help trap pathogens, not prevent aspiration.

C. Uvula: The uvula helps close off the nasopharynx, not the trachea, during swallowing.

D. Appendix: The appendix is a blind-ended tube attached to the cecum; it plays no role in swallowing or airway protection.

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