Biology: The Kidney And Osmoregulatory Organs Trivia Quiz!

20 Questions | Total Attempts: 291

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Biology: The Kidney And Osmoregulatory Organs Trivia Quiz!

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Questions and Answers
  • 1. 
    The functional unit of the kidney is the:
    • A. 

      Nephron

    • B. 

      Glomerulus

    • C. 

      Medulla

  • 2. 
    The specialized nephron capillary bed where filtration occurs is the 
    • A. 

      Afferent arteriole 

    • B. 

      Glomerulus

    • C. 

      Efferent arteriole 

  • 3. 
    Which of the following is not a function of the kidneys
    • A. 

      Excreting metabolic wastes

    • B. 

      Secreting aldosterone to regulate sodium

    • C. 

      Maintaining proper osmolarity of body fluids

  • 4. 
    Vasa recta are associated with
    • A. 

      Renal papillae

    • B. 

      Cortical nephrons

    • C. 

      Juxtamedullary nephron

  • 5. 
    The renal process whereby substances are selectively transferred from the peritubular blood into the renal tubule is:  
    • A. 

      Filtration 

    • B. 

      Excretion

    • C. 

      Secretion

  • 6. 
    Filtrate passes through all of these except
    • A. 

      Filtration site 

    • B. 

      Podocytes 

    • C. 

      Basement membrane

  • 7. 
    Which of the following is not part of nephrone
    • A. 

      Collecting duct

    • B. 

      Bowman's capsule

    • C. 

      Ureter

  • 8. 
    Indicate the correct flow of filtrate through these structure: 
    • A. 

      4,6,5,3,2,1.

    • B. 

      2,6,1,4,5,3.

    • C. 

      2,1,4,3,5,6

  • 9. 
    The glomerular filtration rate
    • A. 

      Averages 125 ml/min

    • B. 

      Averages 75 liters/day

    • C. 

      Both (a) and (b)

  • 10. 
    The glomerular capillary blood pressure in the nephron is 78 mm Hg . the bowman's capsular hydrostatic pressure is 24 mm Hg. the colloidal osmotic pressure is 18 mm Hg. the net filtration pressure is------ mm Hg.
    • A. 

      42

    • B. 

      18

    • C. 

      36

  • 11. 
    Into which structure does most reabsorption occur?
    • A. 

      Proximal convoluted tubule

    • B. 

      Loop of Henle

    • C. 

      Glomerulus

  • 12. 
    The proximal tubule 
    • A. 

      Is the site of action of renin

    • B. 

      Reabsorbs about 65% of the filtration water

    • C. 

      Is not the location where glucose is reabsorbed

  • 13. 
    Tubular reabsorption involves
    • A. 

      Active transport

    • B. 

      Countertransport 

    • C. 

      Cotransport

    • D. 

      All of these

  • 14. 
    Into which structure does most reabsorptin occur?
    • A. 

      Loop of henle

    • B. 

      Distal convoluted tubule

    • C. 

      Proximal convoluted tubule

  • 15. 
    Which of the following plasma constituent is not regulated by the kidneys?
    • A. 

      Glucose

    • B. 

      Na+

    • C. 

      Water

    • D. 

      H+

  • 16. 
    Reabsorption of chloride is 
    • A. 

      Active 

    • B. 

      Passive

    • C. 

      Passive and dependent on the amount of sodium reabsorbed

  • 17. 
    Select the major waste product of nitrogen metabolism 
    • A. 

      PO4

    • B. 

      Amino acids

    • C. 

      Urea

  • 18. 
    The maximum normal glucose concentration in the plasma is about ------- mg per 100 ml
    • A. 

      30

    • B. 

      60

    • C. 

      100

  • 19. 
    Aldosterone secretion
    • A. 

      Occur in the kidney

    • B. 

      Is stimulated by angiotensin  II

    • C. 

      All of these

  • 20. 
    The greatest percentage of Na+ reabsorptin takes place in the : 
    • A. 

      Proximal tubule 

    • B. 

      Collecting tubule  

    • C. 

      Distal tubule