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5 Written questions

3 Matching questions

  1. e
  2. b
  3. a
  1. a Which is not correct regarding the innervation of the kidney?
    Parasympathetic innervation is from the vagus nerve.
    The kidney is served by the renal plexus.
    Sympathetic innervation is from segments T10-T12 of the spinal cord.
    Sympathetic stimulation causes vasoconstriction of the renal blood vessels.
    Parasympathetic stimulation decreases the rate of filtrate formation.
  2. b The countercurrent multiplier is a system by which the:
    nephron loop multiplies the concentration of salts in the interstitial fluid of the kidney medulla.
    nephron loop dilutes the concentration of solutes in the tubular fluid at its hairpin turn.
    vasa recta secretes multiple amounts of metabolic wastes against their concentration gradient.
    vasa recta becomes more concentrated with nitrogenous wastes than the urine.
  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.

5 Multiple choice questions

  1. The renal corpuscle is located within the:
    collecting duct.
    renal medulla.
    renal cortex.
    renal pelvis.
  2. Which is not a function of the kidneys?
    Regulation of blood pressure
    Removal of wastes from the blood
    Regulation of erythrocyte production
    Regulation of lymphocyte production
    Regulation of acid-base balance
  3. The kidneys are located ___________ the peritoneum.
    within
    anterior to
    posterior to
  4. Generally, most water reabsorption in a nephron occurs at the:
    nephron loop and is called obligatory water reabsorption.
    nephron loop and is called facultative water reabsorption.
    proximal convoluted tubule and is called obligatory water reabsorption.
    proximal convoluted tubule and is called facultative water reabsorption.

  5. This figure shows a frontal section of the kidney. Which number(s) indicate a renal papilla?
    2, 7
    3
    6
    9
    10

5 True/False questions

  1. bParathyroid hormone (PTH):
    stimulates reabsorption of both calcium and phosphate.
    stimulates reabsorption of calcium but inhibits phosphate reabsorption.
    inhibits reabsorption of calcium but stimulates phosphate reabsorption.
    inhibits reabsorption of both calcium and phosphate.

          

  2. eIn the process of urine formation, first:
    filtrate is formed, then tubular fluid, then urine.
    tubular fluid is formed, then filtrate, then urine.

          

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

          

  4. aThe kidneys are located ___________ the peritoneum.
    within
    anterior to
    posterior to

          

  5. bThe capillaries of the glomerulus differ from most other capillary networks in the body because they:
    carry only deoxygenated blood.
    drain into an arteriole instead of a venule.
    contain no endothelium.
    absorb nutrients from the glomerular capsule.
    secrete mucus.

          

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