NACA Animal Control Officers Practice Test

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Prepare for the NACA Animal Control Officers Test. Study with a comprehensive quiz that includes flashcards and multiple choice questions, with hints and explanations. Get ready to ace your exam!

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Which chemical element has the symbol K?

Calcium
Potassium
Manganese
Magnesium

The correct answer is: Potassium

The chemical element that has the symbol K is potassium. This symbol comes from the Latin word "kalium," which is a derivative of the Arabic word "al-qaliy," meaning "the ashes." Potassium is an essential mineral in human biology and plays a key role in numerous physiological functions, including nerve transmission, muscle contraction, and maintaining fluid balance. Its presence is crucial for the proper functioning of cells, and it is commonly found in dietary sources such as bananas, potatoes, and various fruits and vegetables. Understanding the periodic table and the symbols of elements is foundational for fields such as chemistry and biology, making potassium's symbol an important piece of knowledge for anyone studying these subjects.