Quiz 9 Flashcards
What is the urinary system made up of?
2 kidneys, 2 ureters, urethra, bladder
Glucose in urine
Glycosuria
What causes glycosuria?
Excess ingestion of sugary food, diabetes mellitus
Abnormal protein levels in urine
Proteinuria
What causes proteinuria?
Physical exertion, pregnancy, hypertension
Abnormal presence of RBC’s in urine
Hematuria
What causes hematuria?
Bleeding due to trauma, kidney stones, infection
What is normal protein levels for urine?
None
What is normal pH of urine?
6 (range 4.5 - 8)
What is normal water content for urine?
93% - 97%
What is normal blood levels for urine?
None
Identify the cell type lining the lumen of the bladder and explain its importance
Transitional epithelium, allows stretching when bladder is filled with urine
What is normal glucose levels in urine?
None
Brings urine to bladder
Ureter
Expels urine
Urethra
Stores urine
Bladder
What are the 2 main regions of the nephron?
Renal tubule and corpuscle
What 3 layers of the filtration membrane?
Endothelium, basement membrane, feet processes of podocyte
What are the waste products through filtration?
Urea, uric acid, creatinine
Absorb 65% of filtrate (Glucose, proteins, vitamins), Secrete urea, uric acid, creatinine
Proximal convoluted tubule
Reabsorb 10% of water volume in filtrate, secrete urea
Descending limb of loop of Henle
Reabsorb water and concentrates urine
Collecting duct
Reabsorb Na, K, Cl
Ascending limb of loop of Henle
Reabsorb Na, K, water, HCO3
Distal convoluted tubule
