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Elements on test Questions and Answers *Latest Update* 2025 A+ Pass

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Calcium (Ca) - Required for muscle contraction, nervous impulses, and blood clotting Sodium (Na) - Cramps; mental and physical lethargy; lack of appetite; too much increases blood pressure Fluorine (F) - Helps prevent tooth decay Oxygen (O) - Needed as the final electron acceptor to make ATP Sodium (Na) - Extracellular cation important for water balance, muscle contraction, and nervous impulses Magnesium (Mg) - Cofactor in many metabolic reactions; enzymes for DNA replication; too much causes diarrhea

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Elements on test Questions and Answers *Latest Update*
2025 A+ Pass

Iodine (I) - ✔✔✔Deficiency leads to goiter



Calcium (Ca) - ✔✔✔Required for muscle contraction, nervous impulses, and blood clotting



Sodium (Na) - ✔✔✔Cramps; mental and physical lethargy; lack of appetite; too much increases blood
pressure



Fluorine (F) - ✔✔✔Helps prevent tooth decay



Oxygen (O) - ✔✔✔Needed as the final electron acceptor to make ATP



Sodium (Na) - ✔✔✔Extracellular cation important for water balance, muscle contraction, and nervous
impulses



Magnesium (Mg) - ✔✔✔Cofactor in many metabolic reactions; enzymes for DNA replication; too much
causes diarrhea



Manganese (Mn) - ✔✔✔Best absorbed when levels remain low; too much leads to impotency and low
libido



Selenium (Se) - ✔✔✔Helps repair DNA and promotes healthy eyes, skin, and hair; prevents dandruff



Chromium (Cr) - ✔✔✔Impaired ability to metabolize glucose



Iodine (I) - ✔✔✔needed to make thyroid hormones

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