Question: During your working day in the Surgery Unit, you receive a patient surgically removed from the Post-Anesthetic Recovery Unit. When evaluating it, observe that it carries a Penrose drain. Which of the following statements about this type of drainage is correct? 
 Options:  <1> It is an active drainage that acts by gravity. <2> It must be connected to a closed circuit collection bag. <3> It works by aspiration. <4> It is a passive drainage whose mechanism of action is by capillarity. <5> It is placed in the bile ducts.
4