Ontario Paramedic Practice Exam

In emergency ventilation, what does BVM stand for?

1. Bag-Valve-Mask

2. Breathing Valve Mechanism

3. Body Ventilation Meter

4. Basic Ventilation Method

The correct answer is: Bag-Valve-Mask

In emergency ventilation, BVM stands for Bag-Valve-Mask. This device is a critical tool used by paramedics and other healthcare providers to assist patients who are not breathing adequately or at all. The BVM consists of a self-expanding bag, a unidirectional valve, and a facial mask. When applied correctly, rescuers can deliver positive pressure ventilation to the patient by squeezing the bag, which forces air into the lungs. The mask creates a seal over the patient's nose and mouth, allowing for effective ventilation. The unidirectional valve ensures that exhaled air does not return to the bag, making it an effective tool for emergency respiratory support. The other options do not correctly define the BVM. Breathing Valve Mechanism and Body Ventilation Meter do not correspond to any commonly recognized medical device or terminology in emergency care, and Basic Ventilation Method is too vague to refer specifically to the BVM. Understanding the proper terminology and usage of devices like the BVM is fundamental for effective emergency response and patient care.