What Is the Purpose of the Demand-Valve Resuscitator

question 18

Multiple Choice

What is the purpose of the demand-valve resuscitator?

• A) It senses whether a person is breathing on their own and sends a warning signal to start CPR when breathing has ceased.
• B) It regulates the pressure of the oxygen being released from the tank.
• C) It forces oxygen into the lungs of a person who is not breathing.
• D) It synchronizes with the flowmeter and adjusts the ratio of oxygen to carbon dioxide depending on the needs of the patient.

---

Definitions:

Reinforcer

Any stimulus that strengthens or increases the probability of a specific response or behavior by being delivered as a consequence of that response or behavior.

Cognitive Therapy

A type of psychotherapy that modifies dysfunctional emotions, behaviors, and thoughts by challenging and changing unhelpful beliefs.

Depression

A common and serious mood disorder that causes persistent feelings of sadness, hopelessness, and loss of interest in activities.

Rational Thinking

The process of making decisions based on logical reasoning and critical analysis, rather than emotions or irrational thoughts.