What factor is NOT commonly monitored by CRNAs during anesthesia?

Monitoring during anesthesia is critically important for ensuring patient safety and effective management. Heart rate, oxygen saturation, and respiratory rate are vital signs that provide essential information about a patient's physiological status during surgical procedures. Each of these parameters allows CRNAs to assess the patient's response to anesthesia and address any potential complications promptly.

Heart rate can indicate cardiac performance and how the cardiovascular system is responding to anesthesia drugs. Oxygen saturation is crucial for determining how well oxygen is being delivered to the body's tissues, which is vital during surgery to prevent hypoxemia. Respiratory rate gives insight into the patient's breathing pattern, which is particularly important in the context of anesthesia, as many agents can depress respiratory function.

In contrast, patient mood is not typically monitored during anesthesia. While understanding a patient's psychological state can be part of preoperative assessment and can influence their recovery or willingness to cooperate, it does not provide immediate, objective data relevant to the physiological safety and effectiveness of anesthesia management. Thus, this factor is not part of the standard monitoring parameters during anesthesia, making it the correct choice in this context.