Hypokalemia is often associated with which one of the following conditions?
Metabolic acidosis
Metabolic alkalosis
Hyperchloremia
None of the above
The Correct Answer is B
A. Metabolic acidosis is characterized by a low pH and a decrease in bicarbonate, but it is not typically associated with hypokalemia. In fact, acidosis may cause potassium to shift out of cells, increasing serum potassium levels.
B. Metabolic alkalosis is often associated with hypokalemia because the body compensates for alkalosis by shifting potassium into cells, leading to a lower serum potassium level. This is commonly seen with conditions like vomiting or the overuse of diuretics.
C. Hyperchloremia refers to elevated chloride levels, which may be associated with metabolic acidosis, but it is not directly linked to hypokalemia.
D. "None of the above" is incorrect because metabolic alkalosis is a known condition associated with hypokalemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Identifying specific pathogens is important for guiding treatment, but the immediate focus in septic shock is on supporting circulation and treating the source of infection rather than just identification.
B. Improving tissue perfusion through intravenous fluid and blood replacement is part of the treatment but is not the sole focus. It is a supportive measure, and it is done alongside treating the source of infection.
C. Administering antibiotics is critical in septic shock but is only part of the treatment. It should be done alongside efforts to support circulation and treat the source of infection.
D. Treating the source of infection and supporting circulation are the primary goals in managing septic shock. This includes administering fluids, antibiotics, and sometimes vasopressors, in addition to addressing the underlying infection.
Correct Answer is D
Explanation
A. Oxygen does play a role in maintaining acid-base balance indirectly, as it is required for aerobic metabolism, which produces carbon dioxide that is regulated by the body to maintain acid-base balance. However, this is not its primary role.
B. Oxygen does trigger chemoreceptors, but this is more of a secondary function to regulate breathing based on oxygen and carbon dioxide levels.
C. While oxygen has many roles, its most critical function is providing the necessary support for cellular metabolism, which is vital for energy production in cells.
D. Oxygen is essential for cellular metabolism as it is required for the process of oxidative phosphorylation in mitochondria, which produces ATP, the energy currency of cells.
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