Final answer:
Hyperkalemia is characterized by an elevated potassium blood level, which can impair the function of skeletal muscles, the nervous system, and the heart. Symptoms of hyperkalemia include muscle twitches/cramps, weakened respiratory muscles, mental confusion, and numbness.
Step-by-step explanation:
Hyperkalemia is characterized by an elevated potassium blood level, which can impair the function of skeletal muscles, the nervous system, and the heart. Symptoms of hyperkalemia include muscle twitches/cramps, weakened respiratory muscles, mental confusion, and numbness. However, Positive Chvostek's sign is not a symptom of hyperkalemia. It is actually associated with hypocalcemia, which is abnormally low levels of calcium in the blood.