Which of the following is NOT a common effect of anesthetics?

Anesthetics primarily function by inducing a state that can involve loss of sensitivity to pain, providing pain relief, and reducing anxiety. These effects are essential for their role in medical procedures, as they ensure that patients remain comfortable and pain-free during interventions.

When considering increased heart rate, this is not a common effect associated with anesthetics. Instead, anesthetics can sometimes cause various cardiovascular changes, which may include lowering heart rate in some cases, particularly in general anesthesia. The modulation of heart rate depends significantly on the type of anesthetic used and individual patient factors. Therefore, stating that increased heart rate is a common effect would be misleading.

Anesthetics are more expected to promote a state of stability and tranquility rather than stimulating increases in heart rate, aligning with their purpose of providing comfort and safety during medical procedures.