Which Statement Describes Blood Calcium Levels Accurately

question 24

Multiple Choice

Which statement describes blood calcium levels accurately?

• A)Blood calcium levels increase when bone breaks down,and decreases when bone is built.
• B)Blood calcium levels decrease when bone breaks down,and increases when bone is built.
• C)Blood calcium levels remain constant regardless of whether bone is built or broken down.

---

Definitions:

Cellulose

A complex carbohydrate that is composed of glucose units, forming the primary structural component of plant cell walls.

Mycorrhizal Partnership

A symbiotic association between a fungus and the roots of a plant, helping the plant absorb nutrients from the soil more efficiently.

Absorptive Surface Area

The total area through which absorption of nutrients and drugs can occur, increased by structures like villi in the intestinal tract.

Nutrients

Substances that provide nourishment essential for the growth and maintenance of life.