Kidney Quiz Question with Answer

11. In controlling the synthesis and secretion of aldosterone, which of the following factors is least important ?

  1. renin
  2. angiotensin II
  3. concentration of plasma Na+
  4. adrenocorticotropic hormone ( ACTH )

12. In the distal tubules, sodium reabsorption is increased directly by increased

  1. sympathetic nerve stimulation of the kidney
  2. atrial natriuretic hormone secretion
  3. antidiuretic hormone secretion
  4. aldosterone secretion

13. In the presence of ADH, The distal nephron is least permeable to

  1. water
  2. ammonia
  3. urea
  4. sodium

14. K+ excretion is markedly influenced by

  1. aldosterone
  2. amount of Na+ delivered to tubules
  3. rate of tubular secretion of H+
  4. all of the above

15. Major determinants of plasma osmolarity include all the following except

  1. sodium
  2. hemoglobin
  3. chloride
  4. albumin

16. More hydrogen is secreted in

  1. alkalosis
  2. administration of diamox
  3. hypokalaemia
  4. hyperventilation.

17. Most of the glucose that is filtered through the glomerulus undergoes reabsorption in the

  1. proximal tubule
  2. descending limp of the loop of Henle
  3. ascending limb of the loop of Henle
  4. distal tubule

18. Reabsorption of Na+

  1. takes place in association with CL- & HCO3–
  2. occurs only in PT
  3. is under control of parathormone hormone
  4. is a passive process

19. Renal correction of acute hyperkalemia will result in

  1. alkalosis
  2. acidosis
  3. increased secretion of HCO3-
  4. increased secretion of H+

20. Select the correct answer about proximal tubules

  1. K+ is secreted in exchange with the Na+ which is reabsorbed under the effect of aldosterone
  2. glucose, amino acids & proteins are completely reabsorbed
  3. only 10% of the filtered water is reabsorbed
  4. parathormone increase phosphate reabsorption

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