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Stack #37213
A&P2 Test 5 #1 Urinary System
| Question | Answer |
|---|---|
| URINARY SYSTEM function is: | maint. of homeostasis by removal of waste products |
| The US maintains homeostasis by | controlling the composition & volumn of blood |
| controlling blood is done by: | removing and restoring selected amts of water & solutes |
| US = URINARY SYS aka | EXCRETORY SYSTEM |
| The primary function of US is | removal of waste |
| metabolic process of body cells prod.: | various by products incl: toxic nitrogenous wastes |
| By-products producted by US are: | ammonia & urea from the catabolism of proteins |
| What accumulates in excess: | essential ions |
| essential ions that accumulate are: | sodium, chloride, sulfate, phosphate and hydrogen |
| Organs of US are: | pair of kidneys, 2 ureters, bladder and urethra |
| describe kidneys: | paired , reddish, kidney bean shape |
| Kidneys are loc. above waist: | between the parietal peritoneum & the postier wall of abdomen |
| RETROPERITONEAL means: | behind peritoneum |
| another way to describe kidney loc is: | between 12 thoracic & 3rd lumbar vertebrae |
| which kidney is lower: | right |
| why is one kidney lower: | due to lg area of liver |
| avg adult kidney is: | 4-5 long, 2-3 wide, & 1" thick |
| HILUS is: | an indentation on concave side |
| Hilus is exit point for: | ureter |
| Hilus in entry/exit for: | BV's, LV's & nerves |
| Hilus is entry to a cavity called: | RENAL SINUS |
| Describe RENAL PELVIS: | flat, funned shaped tube |
| renal pelvis is continous w/ | ureter |
| What surrounds each kidney: | 3 layers of tissue |
| tissue layers surrounding kidney are: | RENAL CAPSULE, ADIPOSE CAPSULE, & RENAL FASCIA |
| The renal capsule - describe | smooth, transparent, fiberous; immermost layer |
| renal capsule is continous with: | outer coat of the ureter at the hilus |
| renal capsule acts as a | barrier against trauma & infection |
| ADIPOSE CAPSULE describe | a mass of fatty tissue surrounding the renal capsule |
| The adipose capsule provides: | protection for trauma |
| The RENAL FASCIA -describe: | outermost layer, thin layer of fibrous CT |
| What renal fascia does for kidney: | anchors to surrounding structures & adbominal wall |
| The renal fascia also: | surrounds & anchors adrenal glands |
| PARENCHYMA of kidney formed by: | CORTEX & MEDULLA |
| RENAL CORTEX desc: | smooth, textured area |
| Cortex extends from the: | renal capsule to the base of pyramids |
| RENAL COLUMNS are: | extensions of cortex-fingers into medulla |
Created by:
Jean and Study Pals