Which sign indicates effective ventilation during rescue breaths?

• A. Chest rise and fall.
• B. Patient responsiveness to stimuli.
• C. Consistent rhythm of breaths.
• D. Presence of regular pulse.

Answer: (A)

Effective ventilation during rescue breaths is indicated by chest rise and fall. This phenomenon occurs when air is successfully delivered into the lungs, allowing for proper gas exchange to take place. When administering rescue breaths, the provider should observe the chest to ensure it is rising and falling symmetrically with each breath. This movement signifies that air is entering the lungs, which is a crucial part of effective ventilation and ensuring the patient is receiving adequate oxygen.

Additionally, while other indicators such as patient responsiveness, breath rhythm, and pulse presence may suggest overall effectiveness of care or the patient's condition, they do not specifically confirm that ventilation has been effectively achieved. Observing the chest movement directly correlates to the physiologic process of ventilation, making it the most definitive sign in this context.