Which of the following is crucial for effective embalming?

Effective embalming relies heavily on ensuring the proper drainage of blood from the body. This step is critical because it allows for the proper distribution of embalming fluids throughout the tissues. By removing bodily fluids, embalmers create space for the formaldehyde-based solutions, which help to preserve the body and prevent decomposition. Proper drainage also minimizes the risk of discoloration and fluid buildup, which can negatively impact the appearance of the deceased during the viewing.

While the use of cosmetic techniques can enhance the appearance after embalming, it does not directly impact the preservation process itself. High temperatures during embalming are not standard practice; in fact, they can cause issues such as the coagulation of blood, which would hinder effective drainage and distribution of fluids. Additionally, avoiding contact with family members is more about managing the emotional aspects and family dynamics surrounding the deceased rather than a technical requirement of the embalming procedure. Thus, proper drainage stands out as vital for achieving the primary goals of embalming: preservation and presentation.