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Theory Exam #5
Chapter 46: Urinary Eimination
| Question | Answer |
|---|---|
| Micturition | brain gives bladder permission to empty, bladder contracts, urinary sphincter relaxes, urine leaves body through urethra |
| Glomerulus | cluster of capillaries in each nephron that filters water, glucose, amino acids, urea, uric acid, creatinine, and major electrolytes |
| Nephrons | functional unit of kidneys, remove waste products from blood, play major role in regulation of fluid and electrolyte balance |
| Erythropoietin | hormone produced by kidneys that stimulate RBC production and bone marrow maturation |
| Renin-Angiotensin System | method of BP control in kidneys, release of aldosterone and prostacyclin |
| Aldosterone | causes retention of water, increases blood volume |
| Prostaglandin E2 & Prostacyclin | vasoldilation to maintain renal blood flow |
| Minerals regulated by kidneys | calcium and phosphate |
| Pathological conditions affecting urinary elimination | DM, MS, stroke, arthritis, Parkinson’s, dementia, CPS, spinal cord injury, IVDD above S1, prostatic enlargement |
| Hematuria | blood in urine |
| Pyelonephritis | Upper UTI |
| Dysuria | pain or burning with urination |
| Nursing History | review of patient’s elimination patterns, symptoms, assessment of factor that are affecting th eability to urinate normally |
| Oliguria | diminished urinary output in relation to fluid intake |
| Polyuria | voiding excessive amounts of urine |
| Nocturia | awakened from sleep because of urge to urinate |
| Specific Gravity of Urine | 1.0053-1.030 |
| Most people experience strong urge to urinate when bladder is how full? | 400-600 mL |
| Postvoid Residual PVR | amount of urine left in bladder after voiding measured by bladder scan or straight cath |
| Older adults experience this change in mental status with UTIs | delerium |
| Continent Urinary Reservoir | created from distal part of ileum and proximal part of colon |
| Orthotopic Neobladder | uses ileal pouch to replace bladder |
| Under how many mLs per hour of urine output is concerning | 30mLs/hr |
| Time frame for urine specimen to arrive to lab | 2 hours |