NOCTI Criminal Justice Practice Exam

During mouth-to-mouth resuscitation, pinching the nostrils shut is crucial for effective rescue breathing. This action prevents air from escaping through the nose when a rescuer exhales into the victim's mouth. By sealing the nostrils, the air forced into the lungs can be effectively directed, increasing the chances of delivering oxygen to the victim and facilitating the emergency response. This technique ensures that the breaths given are effective and maximize the amount of air that enters the lungs, which is essential in life-threatening situations where the victim may not be breathing adequately.