Embryonic tissue has an underdeveloped immune system and is slow to respond to external stimuli. If injected into a traumatized adult, it can effectively prevent scar formation. A growth factor in adult platelets can speed up wound healing. To develop a drug that inhibits this growth factor, apply the drug to the wound site within 12 hours of the appearance of the wound, and there is no scar after wound healing.
According to the above definition, what of the following is the most accurate statement of the two medical procedures described above?
The combined effect is to significantly reduce the rate of blood coagulation at the wound