A unique advantage of which of the following is that it will control for variables that study investigators are unable to measure

After gowning and while gloving, a surgical technologist tears his glove, exposing his bare hand. to best maintain sterility, the technologist should: eh hindi pa naman pp tapos yung enhancement sir haha a. use open gloving technique to glove over the contaminated glove. b. ask a sterile team member to reglove. c. rescrub before regowning and regloving d. pull sleeve over bare hand and use closed gloving technique.