Which of the following statements about serum creatinine and kidney function are correct?
1 ❏ Serum creatinine levels may remain normal in early stages of kidney disease
2 ❏ Creatinine clearance provides a more accurate estimate of glomerular filtration rate (GFR) than serum creatinine alone
3 ❏ Serum creatinine levels are unaffected by muscle mass
Instructions:
Choose:
A ❏ if 1, 2, and 3 are correct
B ❏ if 1 and 2 only are correct
C ❏ if 2 and 3 only are correct
D ❏ if 1 only is correct
E ❏ if 3 only is correct
B
B
1,2
B
B
B
B
A
B
A