#1
Which of the following is a common symptom of hypernatremia?
Confusion
ExplanationNeurological symptoms like confusion are common due to brain cell dehydration.
#2
What electrolyte imbalance is associated with T-wave flattening or inversion on an ECG?
Hypokalemia
ExplanationHypokalemia leads to cardiac changes like T-wave flattening or inversion.
#3
Which of the following conditions can lead to metabolic alkalosis?
Excessive diarrhea
ExplanationLoss of stomach acid through excessive diarrhea can result in metabolic alkalosis.
#4
A patient with hypocalcemia is at risk of experiencing which of the following symptoms?
Muscle tetany
ExplanationHypocalcemia can cause neuromuscular irritability leading to muscle tetany.
#5
Which of the following is a complication of hypercalcemia?
Renal calculi
ExplanationHypercalcemia can lead to calcium precipitation in the kidneys, forming renal calculi.
#6
What electrolyte imbalance is associated with prolonged QT interval on an ECG?
Hypomagnesemia
ExplanationHypomagnesemia can prolong the QT interval on an ECG due to its effect on cardiac repolarization.
#7
A patient presents with confusion, nausea, and vomiting. Laboratory findings reveal a serum sodium level of 130 mEq/L. Which condition is the most likely cause?
Hyponatremia
ExplanationSymptoms and low serum sodium levels indicate hyponatremia, which can lead to neurological symptoms.
#8
Which of the following conditions is characterized by a decreased level of serum potassium?
Hypokalemia
ExplanationHypokalemia is defined as a low serum potassium level.
#9
Which of the following conditions is characterized by decreased serum osmolality and hyponatremia?
SIADH (Syndrome of Inappropriate Antidiuretic Hormone)
ExplanationSIADH results in dilutional hyponatremia due to excess ADH secretion.
#10
Which electrolyte imbalance can cause cardiac arrhythmias such as ventricular fibrillation?
Hyperkalemia
ExplanationHyperkalemia can disrupt cardiac electrical conduction, leading to arrhythmias like ventricular fibrillation.
#11
A patient with severe burns is at risk of developing which type of fluid imbalance?
Hypovolemia
ExplanationSevere burns can cause fluid shift from the intravascular space, leading to hypovolemia.
#12
A patient presents with weakness, fatigue, and ECG changes indicating peaked T-waves. What electrolyte imbalance is the most likely cause?
Hyperkalemia
ExplanationECG changes like peaked T-waves suggest hyperkalemia, which can cause muscle weakness and cardiac abnormalities.
#13
Which of the following is a compensatory mechanism for metabolic acidosis?
Increased respiratory rate
ExplanationIncreased respiratory rate helps decrease CO2 levels, compensating for metabolic acidosis by shifting the pH towards normal.
#14
A patient with severe diarrhea is at risk of developing which type of electrolyte imbalance?
Hypokalemia
ExplanationLoss of potassium through diarrhea can result in hypokalemia.