KIDNEY FUNCTION TEST

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

This is responsible for the reabsorption of: Sodium Chloride Bicarbonate and other ions Glucose Amino acids Proteins Urea and Uric Acid

Back (Answer)

Proximal Convoluted Tubule

Front (Question)

Renal Function Panel:

Back (Answer)

Glucose BUN Creatinine Sodium Potassium Chloride Phosphorus Calcoum Albumin CO2

Front (Question)

Elimination of Waste products Maintenance of blood volume Maintenance of electrolyte balance Maintenance of acid-base balance Endocrine function (EPO secretion)

Back (Answer)

Functions of the Kidneys

Front (Question)

Measure of clearance of normal molecules that are not bound to protein and are freely filtered by the glomeruli neither reabsorbed nor secreted by the tubules

Back (Answer)

Glomerular Filtration Rate

Front (Question)

GFR is considered the best ___

Back (Answer)

Overall indicator of level of Kidney function

Front (Question)

Removal of substance from plasma into urine over a fixed time Expressed in mL/minute

Back (Answer)

Clearance

Front (Question)

Plasma concentration is _____ to clearance

Back (Answer)

Inversely proportional

Front (Question)

Formula for Clearance:

Back (Answer)

(Urine/Plasma) x (Volume/1440) x (1.73/A)

Front (Question)

Reference Method

Back (Answer)

Inulin Clearance Not routinely done

#10

Front (Question)

Reference Method

Back (Answer)

Inulin Clearance Not routinely done

#11

Front (Question)

Reference Value of Inulin Clearance

Back (Answer)

Male = 127 mL/min Female = 118 mL/min

#12

Front (Question)

Provides an estimate of the amount of plasma that must flowed through the kidney glomeruli per minute Excellent measure of renal function

Back (Answer)

Creatinine Clearance Creatinine is freely filtered by the glomeruli but not reabsorbed

#13

Front (Question)

Provides an estimate of the amount of plasma that must flowed through the kidney glomeruli per minute Excellent measure of renal function

Back (Answer)

Creatinine Clearance Creatinine is freely filtered by the glomeruli but not reabsorbed

#14

Front (Question)

Reference Value of Creatinine Clearance

Back (Answer)

Male: 85-125 mL/min Female: 75-112 mL/min

#15

Front (Question)

• High Cardiac Output • Pregnancy • Burns • CO poisoning

Back (Answer)

Increased Creatinine Clearance

#16

Front (Question)

• Impaired Kidney Function • Shock, Dehydration • Hemorrhage • Congestive Heart Failure

Back (Answer)

Decreased Creatinine Clearance

#17

Front (Question)

Can demonstrate progression of renal disease or response to therapy Not give reliable estimates of the GFR since it is freely filtered by the glomeruli but variably reabsorbed by the tubules

Back (Answer)

Urea Clearance

#18

Front (Question)

Volume depletion decreases Urea Clearance by both:

Back (Answer)

Reduced Filtration Increased Reabsorption

#19

Front (Question)

Produced at a constant rate by all nucleated cells Freely filtered at glomerulus, not secreted by the renal tubules but reabsorbed

Back (Answer)

Cystatin C

#20

Front (Question)

Increases more rapidly than creatinine in the early stages of GFR impairment

Back (Answer)

Cystatin C

#21

Front (Question)

Reference Value of Cystatin C

Back (Answer)

Adult: 0.5-1.9 mg/L (>65 yo): 0.9-3.4 mg/L

#22

Front (Question)

Low molecular weight glycoprotein Functions as Prostaglandin D Synthase Isolated primarily from CSF; Freely filtered at Glomerulus, then reabsorbed completely and catabolized by the proximal tubule

Back (Answer)

Beta Trace Protein

#23

Front (Question)

Major end product of Protein and Amino Acid Catabolism Synthesized in Liver from CO2 and Ammonia from deamination of AA Glomerulus: Freely filtered PCT: Substantially reabsorbed **First Metabolite to Elevate in Kidney Disease Easily removed by Dialysis

Back (Answer)

Blood Urea Nitrogen

#24

Front (Question)

Reference Value of BUN

Back (Answer)

8-23 mg/dL