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5 Written questions

4 Matching questions

  1. b
  2. e
  3. a
  4. c
  1. a The main parts of the juxtaglomerular apparatus are the:
    principal cells and macula densa.
    granular cells and macula densa.
    granular cells and intercalated cells.
    intercalated cells and principal cells.
    principal cells and granular cells.
  2. b Which step(s) in the process of urine formation occur in the renal tubule?
    Filtration only
    Secretion only
    Reabsorption only
    Filtration, secretion, and reabsorption
    Secretion and reabsorption only
  3. c Granular cells synthesize and release the enzyme:
    angiotensinogen.
    antidiuretic hormone.
    renin.
    calcitriol.
  4. d Blood pressure in the glomerulus is _______ than in other capillaries due to the relatively large diameter of ________ arterioles.
    higher, afferent
    higher, efferent
    lower, afferent
    lower, efferent

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. 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 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.
  4. Stimulation of granular cells by the sympathetic nervous system causes them to:
    contract.
    relax.
    release calcitriol.
    increase endocytosis.
  5. The kidneys are located ___________ the peritoneum.
    within
    anterior to
    posterior to

5 True/False questions

  1. cWhere in the urinary tract is transitional epithelium found?
    Urinary bladder
    Urethra
    Ureters, urinary bladder, and prostatic urethra
    Ureters
    Ureters and urinary bladder

          

  2. bWhich 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.

          

  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. bFluid contained within the lumen of a nephron loop would be considered to be:
    plasma.
    tubular fluid.
    filtrate.
    urine.

          

  5. bWhich 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.