#1
Which electrolyte imbalance is associated with muscle weakness and cardiac arrhythmias?
Hyperkalemia
ExplanationHigh potassium levels affect muscle and heart function, causing weakness and irregular heartbeats.
#2
Which of the following is a symptom of hyponatremia?
Confusion
ExplanationLow sodium levels can lead to neurological symptoms like confusion.
#3
Which electrolyte imbalance can cause muscle cramps and paresthesias?
Hypomagnesemia
ExplanationLow magnesium levels can result in muscle cramps and abnormal sensations like tingling.
#4
Which of the following is a sign of hyperkalemia?
Muscle weakness
ExplanationHigh potassium levels can weaken muscles.
#5
Which electrolyte imbalance can lead to neuromuscular excitability and tetany?
Hypomagnesemia
ExplanationLow magnesium levels can cause neuromuscular hyperexcitability and tetany.
#6
Which electrolyte imbalance may lead to T-wave flattening on an ECG?
Hypokalemia
ExplanationLow potassium levels can flatten T-waves on an ECG.
#7
Which of the following is a sign of hypermagnesemia?
Bradycardia
ExplanationExcess magnesium can slow down heart rate, causing bradycardia.
#8
Which electrolyte imbalance can cause cardiac arrest if severe?
Hypokalemia
ExplanationSevere potassium deficiency can lead to dangerous heart rhythms and cardiac arrest.
#9
Which of the following is a symptom of hypocalcemia?
Trousseau's sign
ExplanationLow calcium levels can cause Trousseau's sign, involving carpal spasm when a blood pressure cuff is inflated.
#10
Which electrolyte imbalance is commonly associated with renal failure?
Hyperkalemia
ExplanationKidney failure often leads to high potassium levels.
#11
What is a potential complication of severe hypercalcemia?
Renal calculi
ExplanationHigh calcium levels can lead to the formation of kidney stones.
#12
Which electrolyte imbalance may result in metabolic alkalosis?
Hypochloremia
ExplanationLow chloride levels can contribute to metabolic alkalosis.
#13
Which electrolyte imbalance can result in ECG changes such as shortened QT interval?
Hypokalemia
ExplanationLow potassium levels can shorten the QT interval on an ECG.
#14
Which electrolyte imbalance may lead to metabolic acidosis?
Hypochloremia
ExplanationLow chloride levels can contribute to metabolic acidosis.
#15
Which electrolyte imbalance can result in ECG changes such as prolonged QT interval?
Hypokalemia
ExplanationLow potassium levels can prolong the QT interval on an ECG.