Problemas
Question 71 Interstitial fluid: A Contains antibodies produced by white blood cells B Contains red and white blood cells C is found in the spaces between cells and becomes lymph when it enters lymph capillaries D Is present in connective tissue E Contains blood-clotting factors
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Miguel
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The correct answer is:**(C) Is found in the spaces between cells and becomes lymph when it enters lymph capillaries**### Explanation:Interstitial fluid is the fluid that surrounds and bathes the cells in tissues. It is derived from blood plasma and serves as a medium for the exchange of nutrients, gases, and waste products between blood and cells. Here’s why the other options are incorrect or less accurate:- **(A) Contains antibodies produced by white blood cells**: While interstitial fluid may contain some antibodies, this is not its primary characteristic. Antibodies are more commonly associated with blood plasma and lymph.- **(B) Contains red and white blood cells**: Interstitial fluid does not typically contain red blood cells. White blood cells may occasionally migrate into the interstitial space during immune responses, but this is not a defining feature of interstitial fluid.- **(D) Is present in connective tissue**: While interstitial fluid is present in all tissues, including connective tissue, this statement is too general and does not specifically define interstitial fluid.- **(E) Contains blood-clotting factors**: Blood-clotting factors are primarily found in blood plasma, not in interstitial fluid.Thus, the most accurate description of interstitial fluid is that it is found in the spaces between cells and becomes lymph when it enters lymph capillaries.