Patient Care Technician (PCT) AAH Practice Exam

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Which term describes a deficiency of magnesium in the blood?

Hypermagnesium
Hypomagnesium
Hyperkalemia
Hypocalcemia

The correct answer is: Hypomagnesium

The term that describes a deficiency of magnesium in the blood is hypomagnesemia. This condition occurs when the magnesium levels in the blood fall below the normal range, which can result in various health issues, including muscle cramps, weakness, and even arrhythmias. Low magnesium can arise due to several factors such as inadequate dietary intake, certain medications, or health conditions that affect nutrient absorption. Hypermagnesemia, the term for elevated magnesium levels, does not pertain to a deficiency and is therefore not the correct choice. Hyperkalemia refers to elevated potassium levels, while hypocalcemia indicates low levels of calcium in the blood. Both of these terms are unrelated to magnesium levels, clarifying why they would not be suitable answers to the question.