Which of the Following Positive Expiratory Pressure (PEP) Devices Deliver

question 6

Multiple Choice

Which of the following positive expiratory pressure (PEP) devices deliver vibrating pressure pulses?

• A) Mercury Medical Resistex PEP therapy device
• B) Portex Medical TheraPEP therapy device
• C) DHD Acapella PEP device
• D) Smiths-Medical EzPAP PEP device

---

Definitions:

Substantial Evidence

Evidence that is adequate to support a conclusion or justify a decision, often used in legal and regulatory contexts to indicate a reasonable level of proof.

Hindsight Bias

The tendency to believe, after an event has occurred, that one would have predicted or expected the outcome, often referred to as the "I-knew-it-all-along" phenomenon.

Self-fulfilling Prophesy

A prediction that directly or indirectly causes itself to become true, by the very terms of the prophecy itself, due to positive feedback between belief and behavior.

Rationalization

A defense mechanism where logical, acceptable explanations are given for behaviors that are actually driven by subconscious motives.