NSE 22A/B Lecture Notes - Lecture 9: Abdominal X-Ray, Ileum, Idiopathy
2 Nov 2017
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Nse 22 nursing practice ii: acute and chronic care. Urinary system organs: kidneys are major excretory organs, urinary bladder is the temporary storage reservoir for urine, ureters transport urine from the kidneys to the bladder, bladder stores the urine, urethra transports urine out of the body. Kid(cid:374)ey"s fu(cid:374)(cid:272)tio(cid:374: removal of toxins, metabolic wastes, and excess ions from the blood, regulation of blood volume, chemical composition, and ph. Normally, urine production slowly fills the bladder and prevents activation of stretch receptors until the bladder distends to a certain extent. The micturition reflex then occurs, and the bladder empties. (potter 1118) Mechanisms of urine formation: glomerular filtration, tubular reabsorption, returns all glucose and amino acids, 99% of water, salt, and other components to the blood, tubular secretion, reverse of reabsoprtion: selective addition to urine. Factors that influence urination: disease conditions, fluid balance, medications, surgical procedures, psychological factors, hygiene, growth & development, psychosocial & cultural.
