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5 Written questions

2 Matching questions

  1. b
  2. c
  1. a Nutrients such as glucose and amino acids within the tubular fluid:
    are completely secreted.
    are completely reabsorbed.
    have half of their plasma concentration secreted.
    have a little less than half of their tubular fluid concentration reabsorbed.
    have concentrations in the filtrate and urine that match their transport maximum.
  2. b 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.

5 Multiple choice questions

  1. Increases in the levels of plasma proteins result in increases in net filtration pressure.
    True
    False

  2. This figure shows a frontal section of the kidney. Which number indicates the renal pelvis?
    1
    2
    4
    8
    9
  3. The thick tangle of capillary loops found within a corpuscle is known as the:
    Bowman.
    convoluted capillary bed.
    glomerular capsule.
    glomerulus.
    nephron.
  4. The active transport of solutes out of the blood and into the tubular fluid is called:
    filtration.
    tubular reabsorption.
    tubular secretion.
    fenestration.
    titration.
  5. Which of the following is a nitrogenous waste product produced from nucleic acid breakdown in the liver?
    Urea
    Deoxyribose
    Uric acid
    Creatinine

5 True/False questions

  1. cSympathetic stimulation causes:
    mesangial cells to release angiotensin, which ultimately leads to granular cell contraction.
    mesangial cells to release angiotensin, which ultimately leads to granular cell relaxation.
    granular cells to release renin, which ultimately leads to mesangial cell contraction.
    granular cells to release renin, which ultimately leads to mesangial cell relaxation.
    inhibited release of erythropoietin and contraction of granular and mesangial cells.

          

  2. cCareful measurements of GFR are made by injection of _______, but approximations of GFR can be made more simply by measuring renal plasma clearance of _________.
    creatine phosphate, insulin
    insulin, creatine phosphate
    inulin, creatinine
    creatinine, inulin

          

  3. eThe 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.

          

  4. eThe myogenic mechanism of autoregulation that occurs within afferent arterioles of the kidney is an __________ control of GFR.
    intrinsic
    extrinsic

          

  5. b
    This figure shows a frontal section of the kidney. What structure does number 5 indicate?
    Renal medulla
    Renal lobe
    Renal sinus
    Renal pyramid
    Renal cortex