Class __________ Fires Are Extinguished by Agents That Remove Oxygen

question 59

Multiple Choice

Class __________ fires are extinguished by agents that remove oxygen from the fire.

• A) A
• B) B 
• C) C
• D) D

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Definitions:

Baroreceptor Reflex

A reflex mechanism that helps maintain blood pressure stability by adjusting heart rate and blood vessel diameter in response to changes in blood pressure.

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, a critical indicator of cardiovascular health.

Preload

The degree of stretch of cardiac muscle fibers at the end of diastole, affecting the force of contraction.

Cardiac Output

The volume of blood the heart pumps per minute, a critical measure of heart function and body's demand for oxygen.