NUR 229 Lecture Notes - Lecture 7: Proximal Tubule, Afferent Arterioles, Azotemia
Document Summary
It is the sudden decrease in renal function that will lead to the buildup of waste in the blood, fluid overload, and electrolyte imbalances. Filters the blood which creates a filtrate called urine. In addition, the kidneys regulate electrolyte levels, removes waste, and excessive fluid in the body. The kidneys normally do not filter blood cells or proteins. An adult normally voids 1-2 liters of urine per day. Via the nephrons in the kidneys (the heart also plays a role in this, specifically the blood flow given by the heart to supply the kidneys with blood). Each nephron receives fresh blood from the heart via an afferent arteriole. *in conclusion, there is the flow of substances back in forth from the nephron to the peritubular capillaries (circulation) until the filtrate is how the body wants it, and then it will leave the body as urine. Therefore, the tubules are crucial in deciding what should stay or go back into circulation.
