NURS312 Lecture Notes - Lecture 4: Nephron, Renal Corpuscle, Respiratory Acidosis
9 Oct 2018
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Online lecture: renal: kidney function, role of kidneys, filtration - waste, drugs, electrolytes, reabsorption - acid/base, water, manufacture erythropoietin - sense oxygenation; stimulate rbc production when they sense. How fast materials leave circulation and enter filtrate. Bp - high or low; low from massive bleed or trauma. Permeability of glomerulus: gfr worsens after age 70, blood drawn to measure creatinine and bun, creatinine. Gives best idea of state of the kidney. Normal - 0. 3-1. 1 mg/dl: bun (blood urea nitrogen, urinalysis - sometimes clean catch and sometimes with a culture. Ratio that measures urea - urea is end product of protein metabolism. If high protein intake, that affects bun - higher bun. Protein metabolism and exercise is a major component of urine because they affect urea. Urea is affected by protein intake and exercise because it"s an end product of protein metabolism. Specific gravity - tells status of hydration; this changes with age; newborn would have a specific.
