Urinary System Final
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This system maintains the volumbue and composition of body fluids within normal limits | Urinary System
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What structure envelops the kidneys? | renal capsule
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Exterior to the renal capsule is what? | Adipose tissue
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Outermost layer of the kidney | Renal Cortex
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Contains renal pyramids | Renal Medulla
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Medial to the renal medulla and is continuous with the ureter | renal pelvis
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Directs urine from renal papilla to renal pelvis | Calyces
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Carries urine from kidneys to bladder | ureter
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Functional unit of the kidneys, join to collecting ducts | Nephrons
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Structure extends to to renal papilla of pyramid | Collecting ducts
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Renal Corpuscle (glomerulus) contains what fluid? | Blood
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The glomerular capsule AKA Bowmans capsule contains what fluid? | Urine
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The renal tubual contains what? | urine
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This structure contains arterial capillaries | Glomerulus
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This structure is known as the "collecting cup" for unrine | Glomerular Capsule
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This structure extends in and out of the medulla to the proximal convoluted tubual to nephron loop to distal convoluted tubual and unites with collecting duct | Renal tubual
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The collecting ducts begins__________ and ends_________. | cortex pyramis/papilla
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Brings blood to the kidneys | Renal artery
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Bring blood to pyramids and to nephron | Interlobar arteries
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drain peritubular capillaries | INterlobular Veins
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Drain interlobular veins | Interlobar veins
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Cluster of cells that help modify BP | Juxtaglomerular apparatus
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Hormone secreted by kidney that increases BP by constricting arterioles, conserving water and stimulating water intake to increase BP | Renin
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Hormone secreted by the kidney that stimulates RBC formation when O2 levels fall below nml. | Erythroprotein
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These regulate solute concentration and water concentration in blood | nephrons
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Remove metabolic wastes and excess substances from blood | nephrons
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Water and solutes move from blood and into nephron to form filtrate( beginging of urine) | Glomerular filtration
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When usful substances move from urine to blood | Tubular reabsorption
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When water is removed from urine filtrate and returns to blood (last step) | Water reabsorption
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Do blood cells enter filtrate under normal conditions? | NO
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This uses nutrients and releases waste into the blood | Cellular metabolism
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Solvent of body where chemical reactions occur | Water
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Water balance is regulated by the "thirst center" AKA | hypothalus
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Substances that create ionswhen dissolved in water and conduct electricity | Electrolytes
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This controls whether more or less water than normal is absorbed | ADH
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Waste product of Nucleic acid excess is excreted in urine | Uric Acid
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Waste product of muscle metabolism excreted in urine | Creatinine
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What are the 3 layers of the ureter | OUter fibrous layer, middle layer( smooth muscle that moves urine by peristalsis), Inner layer, mucous membrane for lubrication
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Which layer forms a flap to prevent urine from flowing back into the bladder | Innner layer
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Another word for urination | Micturition
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How many mL can the bladder hold? | 1000 mL
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At how many mL do you feel the urge to urinate? | About 200- 400ml
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INnermost layer of the Bladder wall, w/ transitional epithelium | Mucosa
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Layer of bladder wall that contains blood vessels and nerves | submucosa
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3rd layer of bladder wall that contracts to expel urine and also forms the internal urethral sphinctor | Detrusor muscle
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Smooth muscle is volentary or involentary? | involentary
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Outermost fibrous connective tissue of the bladder wall | Parietal Peritoneum
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Urine is slightly acidic or basic? | Acidic
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What is the Ph level of urine? | 6
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