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Which region in the large intestine absorbs fluids and salts that remain after intestinal digestion?

A.

Cecum

B.

Ascending colon

C.

Rectum

D.

Descending colon

Answer and Explanation

The Correct Answer is A

A. Cecum: The cecum is the first part of the large intestine, where fluids and salts are absorbed after digestion in the small intestine.

B. Ascending colon: The ascending colon continues the process of absorbing water and salts but starts after the cecum.

C. Rectum: The rectum stores feces and plays little role in fluid and salt absorption.

D. Descending colon: While the descending colon absorbs water, much of the absorption occurs earlier in the large intestine, primarily in the cecum.


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Related Questions

Correct Answer is C, A, D, B

Explanation

  • Deoxygenated blood from the body enters the right atrium, passes through the tricuspid valve into the right ventricle.
  • From the right ventricle, blood moves through the pulmonary valve into the pulmonary arteries and goes to the lungs for oxygenation.
  • Oxygenated blood returns to the left atrium and passes through the bicuspid (mitral) valve into the left ventricle.
  • Finally, the left ventricle pumps oxygenated blood through the aortic valve into the aorta for distribution to the body.

Correct Answer is A

Explanation

A. Cystic duct: The cystic duct connects the gallbladder to the bile ducts and allows bile to flow into and out of the gallbladder.

B. Common hepatic duct: This duct carries bile from the liver but does not directly lead to the gallbladder.

C. Pancreatic duct: This duct transports digestive enzymes from the pancreas to the duodenum, not bile.

D. Left hepatic duct: This carries bile from the left side of the liver and eventually merges into the common bile duct, but it does not lead directly to the gallbladder.

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