Match the Substance with the Correct Description

question 26

Multiple Choice

Match the substance with the correct description.
-Erythrogenic toxin

• A)Is elaborated by scarlet fever-associated strains
• B)Also called "spreading factor"
• C)Dissolves clots by converting plasminogen to plasmin
• D)Four immunologically distinct forms

---

Definitions:

Hydrogen Ions

Positively charged atoms of hydrogen, significant in acid-base chemistry and pH balance in biological systems.

Acidic

Having a pH less than 7, indicating the presence of a higher concentration of hydrogen ions (H+) in solution.

Hydrophobic

Characterized by a tendency to repel water; substances that do not mix with water.

Buffered

A solution's capacity to resist changes in pH when acids or bases are added.