Tuesday, 4 October 2011
renal physiology
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Assuming the subject in the preceding question is a normal adult, we can conclude that most likely potassium is
A. filtered but not secreted or reabsorbed
B. secreted but not filtered or reabsorbed
C. reabsorbed but not secreted or filtered
D. filtered and secreted
E. filtered and reabsorbed
E. Since CK is less than GFR (80 ml/min, as measured by creatinine clearance in question 12), potassium must be filtered and reabsorbed.
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