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5 Written questions

4 Matching questions

  1. c
  2. e
  3. b
  4. d
  1. a The juxtaglomerular apparatus is located:
    within the renal sinus.
    in the renal papilla.
    in the perinephric fat.
    inside the tubular pole of the glomerulus.
    near the vascular pole of the renal corpuscle.
  2. b 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.
  3. c
    This figure shows a frontal section of the kidney. Which number indicates the renal pelvis?
    1
    2
    4
    8
    9
  4. d Sympathetic stimulation of the kidney results in:
    constriction of afferent arterioles and an increase in the surface area of the glomerulus.
    constriction of afferent arterioles and a decrease in the surface area of the glomerulus.
    dilation of afferent arterioles and an increase in the surface area of the glomerulus.
    dilation of afferent arterioles and a decrease in the surface area of the glomerulus.

5 Multiple choice questions

  1. Which 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.

  2. This figure shows a renal corpuscle. What structure does number 1 indicate?
    Distal convoluted tubule
    Collecting duct
    Nephron loop
    Proximal convoluted tubule
    Papillary duct
  3. Careful 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
  4. How are the processes of reabsorption and secretion related?
    They both involve movement of material from the blood into the tubular fluid.
    Materials move in opposite directions: reabsorption moves materials into the blood, whereas secretion removes them from the blood.
    Materials move in opposite directions: secretion moves materials into the blood, whereas reabsorption removes them from the blood.
    They both involve movement of material from the tubular fluid into the blood.
  5. The myogenic mechanism of autoregulation that occurs within afferent arterioles of the kidney is an __________ control of GFR.
    intrinsic
    extrinsic

5 True/False questions

  1. b
    This figure shows a renal corpuscle. What structure does number 1 indicate?
    Distal convoluted tubule
    Collecting duct
    Nephron loop
    Proximal convoluted tubule
    Papillary duct

          

  2. 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.

          

  3. cFrom innermost to outermost, the protective layers on the kidney are the:
    fibrous capsule, perinephric fat, renal fascia, paranephric fat.
    renal corpuscle, perinephric fat, renal fascia, paranephric fat.
    renal fascia, paranephric fat, renal corpuscle, perinephric fat.
    renal fascia, perinephric fat, fibrous capsule, paranephric fat.
    fibrous capsule, paranephric fat, renal fascia, perinephric fat.

          

  4. bThe 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.

          

  5. b
    This figure shows a renal corpuscle. What structure does number 1 indicate?
    Distal convoluted tubule
    Collecting duct
    Nephron loop
    Proximal convoluted tubule
    Papillary duct

          

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