Hi, can you please help me with the following multiple choice question - Thanks!! Correct cause-and-effect relationships following insulin withdrawal in a person with diabetes mellitus include: the ratio of K+ concentration inside the cell to K+ concentration outside the cell decreases in untreated diabetes for multiple reasons, including intracellular H+ buffering, which results in a shift of K+ to the extracellular compartment. ketonemia does not increase urine flow because it is entirely reabsorbed in the renal tubule urinary phosphate decreases because renal excretion of H+ results in increased phosphate reabsorption. serum sodium rises because of fluid shift from the extracellular compartment to intracellular compartment. glomerular filtration rate increases as a result of increased serum glucose concentration. The most effective direct stimulus for the release of glucagon is: an increase in serum glucose an decrease in serum glucose somatostatin insulin (direct action on the alpha cells).

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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Hi, can you please help me with the following multiple choice question - Thanks!!

  1. Correct cause-and-effect relationships following insulin withdrawal in a person with diabetes mellitus include:
    1. the ratio of K+ concentration inside the cell to K+ concentration outside the cell decreases in untreated diabetes for multiple reasons, including intracellular H+ buffering, which results in a shift of K+ to the extracellular compartment.
    2. ketonemia does not increase urine flow because it is entirely reabsorbed in the renal tubule
    3. urinary phosphate decreases because renal excretion of H+ results in increased phosphate reabsorption.
    4. serum sodium rises because of fluid shift from the extracellular compartment to intracellular compartment.
    5. glomerular filtration rate increases as a result of increased serum glucose concentration.
  2. The most effective direct stimulus for the release of glucagon is:
    1. an increase in serum glucose
    2. an decrease in serum glucose
    3. somatostatin
    4. insulin (direct action on the alpha cells).
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