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SBGR Urinary II

SBGR ALH 165 Urinary II (2012 LS)

Efferent arteriole Delivers blood to peritubular capillaries
Juxtaglomerular complex Specialized cells that secrete rennin when glomerular blood pressure falls
Afferent arteriole Delivers blood from a cortical radiate artery
Filtration slits Narrow gaps between adjacent processes in the glomerulus
Podocytes Large cells with complex processes
Obligatory water reabsorption Recovers 85% of the volume of filtrate produced
Facultative water reabsorption Precisely controls the amount of water reabsorbed
Aquaporins Special water channels caused by ADH
Polyuria Production of excessive amounts of urine
Oliguria Scanty production of urine
Renal failure Occurs when kidneys are unable to perform the excretory functions needed to maintain homeostasis
Acute renal failure Kidney function deteriorates rapidly and may be impaired for weeks
Chronic renal failure Kidney function deteriorates gradually and the associated problems accumulate over time
Dialysis Passive diffusion across a selectively permeable membrane
Pyelogram Image of the urinary system obtained by taking an x-ray of the kidneys after administering a contrast dye intraveneously
micturition another name for urination
dysuria painful or difficult urination
pyelonephritis kidney infection
renal calculi kidney stones
minerals inorganic substances that dissociate in body fluids to form ions called electrolytes
acidosis pH of plasma falls below 7.35
alkalemia pH of plasma rises about 7.45
Hemoglobin buffer system only intracellular buffer system that can have an immedicate effect on the pH of body fluids
Metabolic acid-base disorders results fromt he production or loss of excessive amounts of acids
Respiratory acid-base disorders results from an imbalance between the rate at which CO2 is generated and the rate at which CO2 is eliminated at the lungs
Sodium bicarbonate
Acetazolamide sodium
Created by: SBGrandRapids