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Urinary System
notes to study
Question | Answer |
---|---|
What are the names of the organs in the urinary system? | Kidneys, ureters, bladder, urethra, renal pelvis |
What are 8 functions of the kidneys? | Filter and excrete wastes, regulate blood volume, BP, and osmolarity, regulates ions and pH, RBC production, active vitamin D, clear hormones and drugs from the blood, and gluconeogenesis |
What are the major nitrogenous wastes? | Ammonia, urea, uric acid, and creatinine |
Identify the major nitrogenous wastes sources. (ammonia, urea, uric acid, creatinine) | ??? |
Which one of the four nitrogenous wastes is most toxic? | Ammonia |
Which one of the four nitrogenous wastes forms crystals? (hint: Gout) | Uric acid |
What is creatinine and creatine phosphate? | Creatinine is a break-down product of creatine phosphate in muscle, and is usually produced at a fairly constant rate by the body (depending on muscle mass). Creatine is the supplement people take to get strength and body cell mass. |
What is uremia? | A raised level in the blood of urea and other nitrogenous waste compounds that are normally eliminated by the kidneys. |
What causes uremia? | Uremia is caused by extreme and usually irreversible damage to your kidneys. (usually from CKD) |
Define excretion. | The process of removing wastes and excess water from the body |
Identify the four physiological systems that excrete wastes. | ??? |