Overview of the urinary system Flashcards
1
Q
what are the major functions of the kidneys
A
- excretion of waste products
- control of body fluid volume and composition of this fluid
- regulation of body fluid osmolality and electrolyte concentration
- regulation of acid-base
- regulation of arterial pressure
- erythropoetin
- regulation of 1,25-dihydroxyvitamin D3 production (calcitriol)
- gluconeogenesis
2
Q
what substances are secreted by the kidneys
A
- urea (from metabolism of amino acids)
- creatinine (from muscle creatinine)
- uric acid (from nucleic acids)
- bilirubin (and other end products of haemoglobin breakdown)
- hormone metabolites
- toxins
- drugs
