Patient Care Technician (PCT) AAH Practice Exam

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Which of the following conditions is characterized by a low level of calcium in the blood?

Hypercalcemia
Hypocalcemia
Hyperkalemia
Hypokalemia

The correct answer is: Hypocalcemia

The condition characterized by a low level of calcium in the blood is hypocalcemia. This can occur due to various factors, including issues with the parathyroid glands, vitamin D deficiency, certain medications, or conditions affecting absorption in the intestines. Symptoms may include muscle cramps, numbness, and tingling, particularly around the mouth and in the fingers, as well as more severe complications if the condition is not addressed. Hypercalcemia, on the other hand, refers to an excess of calcium in the blood, which can lead to symptoms such as weakness and confusion. Hyperkalemia is related to high potassium levels, which can disrupt heart function. Hypokalemia indicates low potassium levels, leading to muscle weakness and other issues. Each of these other conditions has distinctly different implications and symptoms compared to hypocalcemia.