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5 Written questions

3 Matching questions

  1. a
  2. b
  3. c
  1. a The primary mechanism of water reabsorption in the kidney is:
    primary active transport by means of a protein pump.
    osmosis through aquaporins.
    secondary active transport by means of a sodium-water symporter.
    bulk transport by means of endocytosis.
  2. b The 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. c Stimulation of granular cells by the sympathetic nervous system causes them to:
    contract.
    relax.
    release calcitriol.
    increase endocytosis.

5 Multiple choice questions

  1. Where in the urinary tract is transitional epithelium found?
    Urinary bladder
    Urethra
    Ureters, urinary bladder, and prostatic urethra
    Ureters
    Ureters and urinary bladder
  2. Most tubular reabsorption occurs in the:
    proximal convoluted tubule, where cells have many flagella.
    proximal convoluted tubule, where cells have many microvilli.
    distal convoluted tubule, where cells have many flagella.
    distal convoluted tubule, where cells have many microvilli.
  3. 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

  4. This figure shows a renal corpuscle. What structure does number 1 indicate?
    Distal convoluted tubule
    Collecting duct
    Nephron loop
    Proximal convoluted tubule
    Papillary duct
  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. bThe 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. cANP is a hormone that causes:
    constriction of the afferent arterioles and release of renin.
    constriction of the afferent arterioles and inhibition of renin release.
    dilation of the afferent arterioles and release of renin.
    dilation of the afferent arterioles and inhibition of renin release.

          

  3. bThe largest possible amount of a substance that can be reabsorbed or secreted across a kidney tubule wall in a given duration of time is known as the:
    glomerular filtration rate.
    renal threshold.
    transport maximum.
    net filtration pressure.
    renal clearance exponent.

          

  4. cIf 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.

          

  5. bThe endothelium of the glomerulus is made up of _________ capillaries.
    fenestrated
    continuous

          

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