Calcium: Importance, Requirements, Sources, and Deficiency

This video discusses the importance of calcium in the human body, highlighting its role in bone and teeth formation, nerve transmission, and muscle contraction. It outlines the daily calcium requirements for adults, pregnant and lactating women, and postmenopausal women. The video also lists dietary sources of calcium, such as milk, cheese, and leafy vegetables. Finally, it describes symptoms of calcium deficiency, including tetany and other neurological signs, and the potential consequences of prolonged deficiency.

What percentage of calcium in the human body is found in bones?

• 50%

• 75%

• 99%

• 100%

Which of the following is NOT a function of calcium in the body?

• Blood coagulation

• Hormone messaging

• Oxygen transport

• Muscle contraction

How much calcium is recommended daily for a normal adult?

• 200 mg

• 500 mg

• 1000 mg

• 1500 mg

What is the increased daily calcium requirement for pregnant women?

• 800 mg

• 1000 mg

• 1200 mg

• 1500 mg

Which food is NOT a significant source of dietary calcium?

• Cheese

• Rice

• Milk

• Almonds

How much calcium does 100 cubic centimeters of milk contain?

• 100 mg

• 50 mg

• 150 mg

• 200 mg

What is a common symptom of hypocalcemia in adults?

• Tingling in hands and feet

• Hair loss

• Weight gain

• Increased appetite

Which sign is associated with latent tetany due to calcium deficiency?

• Murphy's sign

• Romberg sign

• Babinski sign

• Trousseau sign

What condition can prolonged hypocalcemia with hyperphosphatemia cause?

• Anemia

• Hypertension

• Diabetes

• Calcification of basal ganglia

What disease is caused by vitamin D deficiency and hypocalcemia in children?

• Scurvy

• Rickets

• Anemia

• Osteoporosis