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6 Written questions

6 Multiple choice questions

  1. protein catabolism amino acids and NH2 which removed by the liver as uea, there is also uric acid and creatinin.
    Uric acid derives form nucleic acid catabolism.
    Creatininie derives from creatine phosphate catabolism
  2. Ureters transport urine to urinary bladder. the Bladder stores the urine until full; the urethra is the the exit by which urine leaves the body.
  3. NaCl electrical gradient
    glucose - co-transported by sodium glucose transport proteins, diffusion
    nitrogenous wastes - diffusion
    other electrolytes - solvent drag
    water - aqua porins
  4. the generation of a salinity gradient allows the collecting duct to concentrate urine, also helped by electrolyte reabsorption
  5. Filtration pressure:
    Glomerular filtration is governed by the same pressures that determine filtration in the other blood capillaries.
    -golmerular hydrostatic pressure (blood pressure) ~60mmhg
    -glomerular osmotic pressure (~32mmhg) opposing filtration
    -capular hydrostatic pressure (~18mmhg) exerted by fluids in capsule
    -capsule colloidal osmotic pressure ~0mmhg
  6. ADH increases water reabsorption's thereby decreasing urine volume.
    The collecting duct concentrates urine, water is reabsorbed in the medulla, 4x deep in the medulla

5 True/False questions

  1. Describe who tubules secret solutes form the blood into the tubular fluidthe generation of a salinity gradient allows the collecting duct to concentrate urine, also helped by electrolyte reabsorption

          

  2. Define excretion and identify the systems that excrete wastesoverview, six organs
    kidneys, ureters, urinary bladder, and urethra

          

  3. Describe the composition and properties of urineyellow due to urochrome, smells as bacteria degrade urea to ammonia, density range 1.001-1.028 mmhg, ranges osmolarity 50mOsm/L to 1,200mOsm/L. pH range 4.5-8.5, usually 6.0 with the 95% water, 5% solutes urea, NaCl, KCl, creatinine, uric acid.

          

  4. List the functions of the renal system in addition to grin formationprotein catabolism amino acids and NH2 which removed by the liver as uea, there is also uric acid and creatinin.
    Uric acid derives form nucleic acid catabolism.
    Creatininie derives from creatine phosphate catabolism

          

  5. Describe how the nervous system, hormones, and the kidney itself regulate glomerular filtrationNaCl electrical gradient
    glucose - co-transported by sodium glucose transport proteins, diffusion
    nitrogenous wastes - diffusion
    other electrolytes - solvent drag
    water - aqua porins