Which of the Following Substances Is Not Part of the Inorganic

question 22

Multiple Choice

Which of the following substances is not part of the inorganic matrix of bone?

• A) Magnesium
• B) Collagen
• C) Sodium
• D) Fluoride

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Definitions:

Leukocytes

White blood cells that are part of the immune system, protecting the body against infection and disease.

Specific Gravity

The ratio of the density of a substance to the density of a reference substance; usually water for a liquid or solid, and air for a gas.

Gram-positive

Bacteria that retain the crystal violet stain used in the Gram staining method, indicating a thick peptidoglycan layer in their cell walls.

Gram-variable

Bacteria that do not consistently stain as either Gram-positive or Gram-negative due to variations in their cell wall structures.