The nurse documents that a patient has 4+ pitting edema on the lower right tibia. How many millimeters of depression did this patient demonstrate?
1. 2 mm
2. 4 mm
3. 6 mm
4. 8 mm
Correct Answer: 4
+1 pitting edema is 2 mm of depression. +2 pitting edema is 4 mm. +3 pitting edema is 6 mm. +4 pitting edema is 8 mm.
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