Water enters capillaries on the venous end as a result of a. active transport from tissue fluid. b. an osmotic pressure gradient. c. higher blood pressure on the venous end. d. higher blood pressure on the arterial side. e. higher red blood cell concentration on the venous end.

Question

Water enters capillaries on the venous end as a result of a. active transport from tissue fluid. b. an osmotic pressure gradient. c. higher blood pressure on the venous end. d. higher blood pressure on the arterial side. e. higher red blood cell concentration on the venous end.

Accepted Answer

The correct answer is option B: an osmotic pressure gradient. This pressure gradient causes water to enter capillaries at the venous end to balance the solute concentrations within the capillary lumen and the surrounding tissue fluid.

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Short Answer

Water enters capillaries on the venous end as a result of a. active transport from tissue fluid. b. an osmotic pressure gradient. c. higher blood pressure on the venous end. d. higher blood pressure on the arterial side. e. higher red blood cell concentration on the venous end.

Step by Step Solution

Step 1: Understand capillary structure and function

Step 2: Evaluate Option A

Step 3: Evaluate Option B

Step 4: Evaluate Option C

Step 5: Evaluate Option D

Step 6: Evaluate Option E

Step 7: Identify the correct answer based on evaluation

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Biology

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Short Answer

Water enters capillaries on the venous end as a result of a. active transport from tissue fluid. b. an osmotic pressure gradient. c. higher blood pressure on the venous end. d. higher blood pressure on the arterial side. e. higher red blood cell concentration on the venous end.

Step by Step Solution

Step 1: Understand capillary structure and function

Step 2: Evaluate Option A

Step 3: Evaluate Option B

Step 4: Evaluate Option C

Step 5: Evaluate Option D

Step 6: Evaluate Option E

Step 7: Identify the correct answer based on evaluation

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