NAME: ________________________

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5 Written Questions

4 Matching Questions

  1. a
  2. c
  3. d
  4. b
  1. a The active transport of solutes out of the blood and into the tubular fluid is called:
    filtration.
    tubular reabsorption.
    tubular secretion.
    fenestration.
    titration.
  2. b Where are the renal pyramids located within the kidney?
    Renal cortex
    Renal sinus
    Renal pelvis
    Renal medulla
    Renal papilla
  3. c Urine passes from a papillary duct into a:
    major calyx, then to a minor calyx, then to a ureter.
    minor calyx, then to a major calyx, then to the renal pelvis.
    ureter, then to a minor calyx, then to a major calyx.
    renal pelvis, then to a major calyx, then to a ureter.
    collecting duct, then to a minor calyx, then to a major calyx.
  4. d Dehydration results in:
    increased ADH secretion and increased water reabsorption.
    increased ADH secretion and decreased water reabsorption.
    decreased ADH secretion and increased water reabsorption.
    decreased ADH secretion and decreased water reabsorption.

5 Multiple Choice Questions


  1. This figure shows a renal corpuscle. What structure does number 4 indicate?
    Efferent arteriole
    Renal artery
    Peritubular capillary
    Afferent arteriole
    Efferent venule
  2. The normal pH for urine:
    is anything below 7.0.
    is anything above 7.0
    ranges between 4.5 and 8.0.
    ranges between 3.0 and 6.0.
    ranges between 8.0 and 9.0 for someone with a diet high in protein.

  3. This figure shows a renal corpuscle. The two structures indicated by number 3 collectively form the:
    macula densa.
    juxtaglomerular apparatus.
    corticomedullary junction.
    juxtamedullary junction.
    vasa recta.
  4. Increases in the levels of plasma proteins result in increases in net filtration pressure.
    True
    False
  5. Which class of nephron is crucially important in establishing a salt concentration gradient in the kidney so that urine concentration can be regulated?
    Intercalated nephrons
    Juxtamedullary nephrons
    Adrenal nephrons
    Cortical nephrons

5 True/False Questions

  1. bIn response to low blood ________, the kidneys secrete __________.
    calcium, renin
    oxygen, erythropoietin
    sodium, calcitriol
    potassium, erythropoietin
    glucose, calcitriol

          

  2. aThe tubuloglomerular feedback mechanism responds to an increase in:
    systemic blood pressure by signaling for a decrease in heart rate through blood-borne hormones.
    urine production by signaling for a decrease in urine production through the hormone ADH.
    NaCl concentration in tubular fluid by signaling for afferent arteriole constriction with local chemical messengers.
    glomerular capillary hydrostatic pressure by signaling for afferent arterioles to constrict and increase filtration rate.

          

  3. bIf someone is bleeding severely, the body's adaptive response is to:
    increase sympathetic stimulation of the kidney and therefore increase GFR.
    increase sympathetic stimulation of the kidney and therefore decrease GFR.
    decrease sympathetic stimulation of the kidney and therefore decrease GFR.
    decrease sympathetic stimulation of the kidney and therefore increase GFR.

          

  4. bWhich is not correct regarding nephrons?
    The renal corpuscle includes the glomerulus and the glomerular capsule.
    The renal tubule is composed of the proximal convoluted tubule, nephron loop, and distal convoluted tubule.
    The nephron is the functional filtration unit in the kidney.
    Eighty-five percent of nephrons are cortical nephrons.
    The renal corpuscle may be located in the renal cortex or renal medulla.

          

  5. bGenerally, negatively charged plasma proteins are:
    moved across the filtration membrane by active transport pumps.
    attracted by the positive charge of the filtration membrane.
    repelled by the negative charge of the filtration membrane.
    engulfed by endocytosis and reabsorbed at the filtration membrane.

          

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