Kidney Function

Which of the following are the main endocrine functions of the kidney?

• Activation of Vitamin B, production of aldosterone

• Activation of Vitamin D, production of erythropoetin, production of renin

• Excretion of waste products such as urea and creatinine

How many nephrons are there in a kidney?

• 10,000

• 1 million

• 10 million

Which of the following hormones is important in allowing the kidneys to regulate fluid balance?

• ADH

• Erythropoietin

• TSH

• Sodium

The kidney filters blood through the glomerulus to form filtrate, which moves through renal tubules

• True

• False

In the renal tubules, small amounts of amino acids are reabsorbed and the rest are excreted into the urine

• True

• False

Which of the following is most commonly used to assess renal function?

• Creatinine clearance

• Cystatin C measurement

• Urine protein

• U&E’s

The eGFR uses the serum creatinine result to estimate glomerular filtration rate

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• True

• False

Which of the following technique is the method used for sodium measurement in the laboratory?

• Competitive immunoassay

• Indirect ISE

• Spectrophotometry

Which of the following are causes of hyponatremia?

• Diuretics, SIADH, Heart failure, renal failure

• Dehydration, renal fluid loss, excess

  aldosterone

• Shift into cells, hypomagnesaemia, Gl loss

• Excessive intake, renal failure, addisons disease

Urea is measured using the Jaffe method

• True

• False