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Understanding Calcium

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the chemical symbol for calcium?

a)

Ca

b)

Ca2

c)

Cl

d)

C

2.

Why is calcium important for the human body?

a)

Calcium helps in the digestion of food.

b)

Calcium is essential for skin health.

c)

Calcium is important for strong bones, muscle function, nerve transmission, and blood clotting.

d)

Calcium is primarily used for energy production.

3.

Name one food that is high in calcium.

a)

cheese

b)

rice

c)

broccoli

d)

chicken

4.

What role does calcium play in bone health?

a)

Calcium is primarily used for muscle contraction.

b)

Calcium has no effect on bone health.

c)

Calcium is only important for blood clotting.

d)

Calcium is crucial for maintaining bone strength and density.

5.

How does calcium help in muscle function?

a)

Calcium has no effect on muscle function or contraction.

b)

Calcium helps in muscle function by enabling contraction through interaction with proteins in muscle fibers.

c)

Calcium prevents muscle contraction by blocking nerve signals.

d)

Calcium is primarily used for energy production in muscles.

6.

What is the recommended daily intake of calcium for teenagers?

a)

1300 mg

b)

1500 mg

c)

800 mg

d)

1000 mg

7.

What can happen if a person has a calcium deficiency?

a)

Better digestion and faster metabolism

b)

A person with calcium deficiency may experience weakened bones, muscle cramps, and nerve problems.

c)

Stronger teeth and enhanced vision

d)

Increased energy levels and improved mood

8.

Which vitamin helps in the absorption of calcium?

a)

Vitamin K

b)

Vitamin A

c)

Vitamin C

d)

Vitamin D

9.

What are some symptoms of calcium overdose?

a)

Skin rashes and itching

b)

Increased appetite

c)

Dizziness and headaches

d)

Symptoms of calcium overdose include nausea, vomiting, constipation, abdominal pain, increased thirst, frequent urination, muscle weakness, confusion, and fatigue.

10.

How does calcium contribute to blood clotting?

a)

Calcium is not involved in the blood clotting process at all.

b)

Calcium contributes to blood clotting by activating clotting factors and facilitating the conversion of prothrombin to thrombin.

c)

Calcium prevents blood clotting by dissolving clots.

d)

Calcium only helps in the formation of red blood cells.