Understanding Medical Elements

What are the four main elements found in the human body?

• Iron, magnesium, zinc, copper

• Carbon, hydrogen, oxygen, nitrogen

• Sulfur, chlorine, iodine, selenium

• Calcium, phosphorus, potassium, sodium

Which element is essential for oxygen transport in the blood?

• Iron

• Zinc

• Calcium

• Copper

What role does calcium play in the human body?

• Calcium is essential for DNA replication only.

• Calcium is primarily used for energy production.

• Calcium is crucial for bone health, muscle function, nerve signaling, and blood clotting.

• Calcium helps in the digestion of carbohydrates.

Identify the element that is a key component of DNA and RNA.

• Carbon

• Oxygen

• Nitrogen

• Phosphorus

Which trace element is crucial for thyroid hormone production?

• Iodine

• Zinc

• Copper

• Selenium

What is the primary function of iron in the body?

• To store energy in the muscles.

• The primary function of iron in the body is to transport oxygen in the blood.

• To aid in digestion and nutrient absorption.

• To regulate body temperature.

Name the element that is vital for nerve function and muscle contraction.

• Calcium

• Sodium

• Potassium

• Magnesium

Which element is commonly associated with the immune system?

• Zinc

• Sodium

• Calcium

• Iron

What is the significance of potassium in cellular function?

• Potassium is essential for DNA replication and repair.

• Potassium has no significant role in cellular processes.

• Potassium is crucial for maintaining cellular membrane potential, nerve transmission, muscle contraction, and overall cellular homeostasis.

• Potassium is primarily used for energy production in cells.

Identify the element that helps in the formation of hemoglobin.

• Copper

• Magnesium

• Zinc

• Iron