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Urinary System

A&P

QuestionAnswer
What is vasoconstriction? constricts blood vessels
What do the kidney's do? drain urine out of them through ureter to the bladder
Where does the urine go from the bladder? though the urethra
What is the hilus? where plumbing and blood vessels enter in the kidney
What is the renal pelvis? funnel shaped area that collects urine
What is the medulla? middle layer, composed of pyramids
What is the cortex? outer layer
What is the kidney composed of? hilus, renal pelvis, medulla, cortex
What do the glomerulus and capsule do? filtration
What does the PCT tubular do? reabsorption
What does the DCT tubular do? secretion
What does the loop of henle do? produce a dilute urine
What does DCT do? concentrates urine with ADH and aldosterone
What is diabetes insipidis? lack of ADH
What is the normal pH? 7.35-7.45
What is acidic? <7.35
What is alkalotic? >7.45
What controls pH? done by buffers - systems that release or absorb hydrogen ions
What is the chemical buffer? in the blood, chemically removes or releases hydrogen ions, fast, not powerful, used for dietary changes
What is the respiratory buffer? more powerful, reversible reaction
What is the renal buffer? most powerful, slowest to get working, H+ secreted into the DCT, active in chronic disease
Created by: 1969391956599541
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