Renal System Physiology Set 1

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Physiology (Renal System) 1

MCQ

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1. The ability of the kidney to excrete a concentrated urine will
increase if :

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2. When a person is dehydrated, hypotonic fluid will be found in the :

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3. The effect of antidiuretic hormone ( ADH ) on the kidney is to :

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4. Renal correction of acute hyperkalemia will result in :

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5. The volume of plasma needed each minute to supply a substance at
the rate at which it is excreted in the urine is known as the :

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6. The greatest amount of hydrogen ion secreted by the proximal
tubule is associated with :

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7. Which one of the following statements about aldosterone is
correct :

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8. All the following statements are true for the H + secreted into the lumen of the distal nephron except :

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9. An increase in the concentration of plasma potassium causes
increase in :

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10. The glomerular filtration rate will increase if :

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11. Which of the following substances will be more concentrated at the
end of the proximal tubule than at the beginning of the proximal tubule ?

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12. Ammonia is an affective important urinary buffer for which of the
following reasons :

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

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

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15. Glomerular filtration rate would be increased by :

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16. The amount of potassium excreted by the kidney will decreases if :

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17. An increase in the osmolarity of the extracellular compartment
will :

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18. Select the correct answer about proximal tubules :

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

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20. Amino acids are almost completely reabsorbed from the glomerular
filtrate via active transport in the :

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21. The primary renal site for the secretion of organic ions e.g urate,
creatinine is :

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

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23. H+ secretion in the distal nephron is enhanced by all the following
except :

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24. Major determinants of plasma osmolarity include all the following
except :

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25. Extracellular bicarbonate ions serve as effective buffer for all the
following except :

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