Which of These Does Not Act as a Protective Mechanism

question 43

Multiple Choice

Which of these does not act as a protective mechanism in the respiratory system?

• A) ciliated epithelium lining the respiratory tract
• B) mucous lining the respiratory tract
• C) alveolar macrophages in the lungs.
• D) acidic secretions from the lining of the trachea

---

Definitions:

Equity Forfeitures

Situations where shareholders or stockholders must give up their ownership stakes, often due to contractual agreements or failure to meet certain conditions.

Cofounders

Individuals who jointly start a business or enterprise, sharing the risks and rewards of the company's development and success.

Legal Structure

The organizational framework within which a business operates, determining its legal obligations, tax liabilities, and governance.

Record-keeping

The practice of maintaining and preserving documents, files, and information for future reference or compliance purposes.