What is a common sign of adequate embalming?

A clear fluid return during arterial injection is a common sign of adequate embalming because it indicates effective distribution and permeability of the embalming solution throughout the body tissues. This clarity suggests that the vascular system is functioning as expected and that the embalming fluid is mixing well with the blood and other fluids, which is crucial for proper preservation. Clear fluid return suggests that there is minimal resistance in the vascular system and that the embalmers are successfully displacing bodily fluids with the embalming solution.

The presence of a formaldehyde odor, while an indicator of embalming, is not a definitive sign of its adequacy. The use of high-concentration embalming fluid does not necessarily correlate with how well the embalming process is executed; it can also lead to tissue damage if not applied properly. Lastly, the absence of discoloration on the skin does not alone signify adequate embalming, since other factors affect skin tone during the embalming process. Thus, the clear fluid return provides a more direct measure of effective embalming practice.