Which of the following is a sign of adequate ventilation during anesthesia?

Clear breath sounds are indicative of adequate ventilation during anesthesia because they suggest that air is moving freely in and out of the lungs without obstruction. When breath sounds are clear, it typically means that there is adequate air exchange taking place, which is crucial for oxygenation and carbon dioxide removal. This is essential in maintaining proper respiratory function and ensuring that the patient remains stable throughout the surgical procedure.

In contrast, increased heart rate can be a sign of stress, pain, or inadequate ventilation, rather than an indicator of good ventilation. Elevated blood pressure might also reflect a patient’s response to various stressors or imbalances rather than directly indicating ventilation status. Skin pallor could suggest inadequate perfusion or oxygenation, which is not a sign of adequate ventilation. Thus, clear breath sounds serve as a direct confirmation of ventilation adequacy during anesthesia, highlighting the importance of monitoring respiratory status in the perioperative setting.