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week 5 lab urine
urine
| Question | Answer |
|---|---|
| Blood flow in kidney | renal artery>segmental artery>lobar artery>interlobar artery>arcuate artery |
| glomerulus | is where the initial filtration of water, urea and salts happens in the bowman’s capsule that surrounds the glomerulus |
| pct | is where water, salt, glucose and potassium are reabsorbed & where h+ and ammonia are secreted into filtrate |
| descending loop of henle | is where water is reabsorbed |
| ascending loop of henle | first passively reabsorbed salt into the filtrate & second actively secreted salt into the filtrate |
| dct | sodium, bicarbonate and water are reabsorbed into the cortex & potassium and hydrogen are secreted into the filtrate |
| macula densa | live and detect low water volume in the filtrate. They send message to the juxtagloberular cells to produce renin. |
| internal sphincter | hold the neck of the bladder in place and is under involuntary control |
| external sphincter | keeps the urine in the bladder and is under voluntary control |
| Renal pathway | from afferent artery>glomerulus>bowmans capsule>decending loop of henle>ascending Loop of henle>distal convoluted tube>collecting duct>renal papilla>minor calyx>major calyx>the renal pelvis>ureter>bladder>urethra |