Lecture 8: Measuring Renal Function

Question 1

what are plasma creatinine levels increased by

Answer 1

• dexamethasone
• aspirin
• ketoacidosis
• higher in black population

Question 2

what are plasma creatinine levels decreased by

Answer 2

• pregnancy

- severe liver disease

Question 3

what are plasma urea levels increased by

Answer 3

• GI bleeding
• glucocorticoids
• hypovolaemia

Question 4

what are plasma urea levels decreased by

Answer 4

• liver disease
• sickle cell anaemia
• SIADH

Question 5

what is the equation for renal clearance

Answer 5

clearance = conc. in urine x vol of urine / conc in plasma

Question 6

what does the corrected creatinine clearance take into account

Answer 6

body surface area