Which type of drainage is indicated when a wound bed appears pink with light red drainage?

The appropriate type of drainage indicated when a wound bed appears pink with light red drainage is serosanguineous. This type of drainage is characterized by a mixture of serous fluid, which is clear to light yellow and watery, and sanguineous fluid, which contains red blood cells and gives it a light red appearance.

In the situation described, the pink wound bed suggests that there is some new tissue formation and the presence of light red drainage indicates that there is a mixture of blood and serum occurring, which is typical of serosanguineous drainage. This type of drainage often signifies that a wound is in the healing phase and is not a cause for immediate concern, as it can be a normal part of the healing process.

Other types of drainage, such as purulent, which is thick and opaque often with a yellow or green color, or sanguineous, which is typically bright red and indicates fresh blood, do not accurately represent the characteristics described in the scenario. Serous drainage, while clear and thin, does not contain red blood cells and would therefore not fit the description of pink with light red drainage.