
Potassium Disorders
Quiz by Heather Powell
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36 questions
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- Q1The most common cause of hypokalemia is:Excess catecholaminesAldosterone secretionGlucagon secretionSevere diarrhea30s
- Q2Which of the following is NOT a major hormonal regulator of potassium homeostasis?VasopressinAldosteroneCatecholaminesInsulin30s
- Q3Insulin stimulates transport of potassium into all of the following areas except:LiverAdipose tissueRenal tubuleMuscle30s
- Q4True or False: Epinephrine moves potassium intracellularly by antagonizing the beta-receptor to activate Na-K-ATPase pumpTrueFalse30s
- Q5True or False: Epinephrine moves potassium intracellularly by stimulating glycogenolysis (which raises blood glucose to stimulate insulin secretion)TrueFalse30s
- Q6Aldosterone is secreted from the adrenal glands in response to which of the following?Epinephrine secretionInsulin secretionHypokalemiaHyperkalemia30s
- Q7Acidemia will cause the serum potassium to appear:Falsely elevatedFalsely decreased30s
- Q8Alkalemia will cause the serum potassium to appear:Falsely decreasedFalsely elevated30s
- Q9For every _____ pH in plasma pH away from 7.4, a ______ mEq/L change occurs to the serum potassium in the opposite direction.0.6, 0.10.1, 0.10.1, 0.60.25, 0.530s
- Q10Serum potassium of 2.5-3.0 mEq/L can be classified as ____________ hypokalemiaSevereModerateMild30s
- Q11Serum potassium of <2.5 mEq/L can be classified as ____________ hypokalemiaModerateSevereMild30s
- Q12Serum potassium of 3.1-3.4 mEq/L can be classified as ____________ hypokalemiaMildModerateSevere30s
- Q13Which of the following drug or drug classes will cause a transcellular shift of potassium?DiureticsBeta-receptor agonistsSorbitolAminoglycosides30s
- Q14Which of the following drug or drug classes will cause a transcellular shift of potassium?Sodium polystyrene sulfonate (SPS)CisplatinInsulinHigh-dose penicillins30s
- Q15Which of the follow drug or drug classes will NOT cause enhanced renal elimination of potassium?TheophyllineAmphotericin BDiureticsCisplatin30s