Which of the Following Is a Defense Mechanism Specific to the Respiratory

question 66

Multiple Choice

Which of the following is a defense mechanism specific to the respiratory tract that can be employed if cilia fail to keep out foreign particles?

• A)enzyme secretion
• B)coughing
• C)histamine production
• D)mucus membranes

---

Definitions:

Modulator Pressure

The pressure within an automatic transmission's hydraulic system that helps control shift timing and quality.

Upshifts

The action or process of shifting a vehicle's transmission to a higher gear as speed or load increases.

Downshifts

The act of shifting a vehicle's transmission into a lower gear, increasing engine speed and providing more power or engine braking.

Governor Pressure

The hydraulic pressure in automatic transmissions that helps control gear shifts and is regulated by the vehicle's governor.