Quiz On Urinary System

25 Questions | Total Attempts: 111

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Quiz On Urinary System

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Questions and Answers
  • 1. 
    The functional unit in the kidney is the _____
    • A. 

      Nephron

    • B. 

      Renal pyramids

    • C. 

      Parenchyma

    • D. 

      Medulla

  • 2. 
    Nerve supply to the kidney is from (Select 2)
    • A. 

      Parasympathetic division of ANS

    • B. 

      Sympathetic division of ANS

    • C. 

      Renal plexus

    • D. 

      Enteric nervous system

  • 3. 
    Vaso______ (dilation/constriction) of the afferent ________ (glomerular/peritublar/vasa recta) arterioles causes a decrease in GFR
    • A. 

      Constriction

    • B. 

      Peritubular

    • C. 

      Glomerular

    • D. 

      Dilation

    • E. 

      Vasa Recta

  • 4. 
    A juxtamedullary nephron's loop of Henle descends deeper into the medulla  of the kidney when compared to a cortical nephron
    • A. 

      True

    • B. 

      False

  • 5. 
    ADH will most likely act on cells in which area of the nephron?
    • A. 

      Proximal convoluted tubule

    • B. 

      Vasa Recta

    • C. 

      Distal Convoluted tubule

    • D. 

      Glomerulus

  • 6. 
    Which of the following would increase glomerular filtration (select 2)
    • A. 

      Increase thickness of filtration membrane

    • B. 

      Decrease thickness of filtration membrane

    • C. 

      Increased surface area of glomerular capillaries

    • D. 

      Decreased surface area of glomerular capillaries

  • 7. 
    If the Capsular hydrostatic pressure (CHP) increased while both GBHP and BCOP remained constant, what would you expect to happen to the GFR?
    • A. 

      It would cause more fluid to enter the Bowman's capsule

    • B. 

      GFR remain constant

    • C. 

      GFR would increase

    • D. 

      GFR would decrease

  • 8. 
    How would Myogenic autoregulation control of the GFR react to an increase in blood pressure?
    • A. 

      Smooth muscle would relax

    • B. 

      Myogenic autoregulation doesn't occur in the kidneys

    • C. 

      Vasoconstriction

    • D. 

      Vasodilation

  • 9. 
    Which hormone's release is directly triggered by stretching of the atria
    • A. 

      Renin

    • B. 

      Angiotensin 2

    • C. 

      ADH

    • D. 

      ANP

  • 10. 
    The majority of the glomerular filtrate is reabsorbed at which level of the nephron?
    • A. 

      Distal convoluted tubule

    • B. 

      Proximal convoluted tubule

    • C. 

      Ascending loop of Henle

    • D. 

      Descending loop of Henle

  • 11. 
    The filtered load for glucose is 180g/day. Your patient comes in and their urine shows a filtered load of 150g/day. What process has occurred in the kidneys?
    • A. 

      Net Tubular secretion

    • B. 

      Net Tubular reabsorption

    • C. 

      None of the options

    • D. 

      Both of the options

  • 12. 
    Transcellular reabsorption occurs through passive processes.
    • A. 

      True

    • B. 

      False

  • 13. 
    Which of the following contribute to the diffusion of sodium from the fluid in the lumen to the peritubular capillary (select 2)
    • A. 

      Low capillary hydrostatic pressure

    • B. 

      High capillary osmotic pressure

    • C. 

      Na/K pump on tubule cell basolateral membrane

    • D. 

      High capillary hydrostatic pressure

  • 14. 
    Which of the following is an obligatory control of water reabsorption? (Select 2)
    • A. 

      Water reabsorption occurring due to the reabsorption of solutes (water following solutes)

    • B. 

      Water reabsorption occurring due to the insertion of aquaporings (water flowing independent of solutes)

    • C. 

      Water reabsorption occurring due to an increased sodium reabsorption

    • D. 

      Water reabsorption due to ADH action

  • 15. 
    If the carriers for glucose in the renal tubule are saturated, which of the following is true? (Select 2)
    • A. 

      Excess glucose will be reabsorbed

    • B. 

      Excess glucose will be secreted

    • C. 

      This reflects the transport maximum for glucose

    • D. 

      This will occur at ~100mg/ml for glucose

  • 16. 
    Which of the following is correct regarding an increase in aldosterone?
    • A. 

      It promotes the synthesis of more basolateral Na/K pumps in principle cells

    • B. 

      It will generally decrease BP

    • C. 

      It will decrease the synthesis of luminal Na and K channels in principle cells

    • D. 

      It will generally decrease the reabsorption of sodium

    • E. 

      It increases K reabsorption

  • 17. 
    Protons secreted by intercalated cells are buffered in the ______ (capillary/tubule lumen) by ______ (Ammonia/Ammonium) and ______ (HPO4/Calcium)
    • A. 

      Tubule Lumen, Ammonia, HPO4

    • B. 

      Capillary, Ammonia, HPO4

    • C. 

      Tubule Lumen, Ammonium, HP04

    • D. 

      Tubule Lumen, Ammonium, Calcium

  • 18. 
    As blood descends deeper in the medulla, it becomes
    • A. 

      More dilute

    • B. 

      More concentrated

    • C. 

      Its concentration is independent of depth

    • D. 

      It depends on whether the body is in antidiuresis or diuresis

  • 19. 
    The descending limb of the loop of Henle is (Select 2)
    • A. 

      Permeable to water

    • B. 

      Equally permeable to Sodium and Water

    • C. 

      Impermeable to sodium

    • D. 

      Impermeable to water

  • 20. 
    During antidiuresis, which of the following would occur?
    • A. 

      There would be a decrease in ADH secretion

    • B. 

      There would be an increase in Aquaporin 2 channel synthesis

    • C. 

      A more dilute urine would be formed

    • D. 

      There would be an increase in ANP

  • 21. 
    During alkalosis, type B intercalated cells will (select 2)
    • A. 

      Pump HCO3 into the interstitial fluid to be collected by the capillary

    • B. 

      Pump protons into the interstitial fluid to be collected by the capillary

    • C. 

      Secrete HCO3 into the lumen (of nephron)

    • D. 

      Secrete protons into the lumen (of nephron)

  • 22. 
    Your patient comes in looking ill, taking very deep and rapid breaths, and explains they have had persistent diarrhea. What is a probable diagnosis/state of the patient? Note - the patient's bicarbonate levels are lower than normal.
    • A. 

      Respiratory acidosis being compensated by the renal system

    • B. 

      Metabolic acidosis being compensated by the renal system

    • C. 

      Metabolic acidosis being compensated by the respiratory system

    • D. 

      Metabolic alkalosis being compensated by the respiratory system

  • 23. 
    Which of the following is true regarding excessive alcohol consumption?
    • A. 

      It primarily causes inhibition of ADH

    • B. 

      It primarily inhibits Na reabsorption

    • C. 

      It promotes reabsorption of water

    • D. 

      It will stimulate the release of renin