Multiple choice

Considering the glomerular filtration, which among the following statements is true?

  1. The main site of glomerular filtration is the loop of Henle.

  2. Bowman's capsule surrounds the perinephric fat.

  3. The filtration barrier contains three layers of cells.

  4. Constriction of the afferent arterioles increases filtration.

  5. Small molecules are more easily filtered than large molecules.
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E Correct answer
Explanation

Glomerular filtration of molecules depends on their size and their charge. Small molecules are filtered more because they pass through the filtration barrier more easily than large molecules.

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