<prompt> Regarding propofol which One of the following is falseit is used as an intravenous induction agentIt causes severe vomitingIt is painful on injecting intravenouslyIt has no muscle relaxant propey  <response>: Propofol also possesses significant antiemetic activity with small sub hypnotic doses i.e., 10 mg in adults. The median concentration of propofol with an antiemetic effect was 343 ngmL, which also causes a mild sedative effect. This concentration can be achieved by an initial dose of propofol infusion of 10 to 20 mg followed by 10 mgkgminute. Propofol used as a maintenance anesthetic during breast surgical procedures was more effective than 4 mg of ondansetron given as prophylaxis in preventing postoperative nausea and vomiting PONV. Propofol as an infusion of 1 mgkghour 17 mgkgminute also has provided excellent antiemetic action after anticancer chemotherapy. Ref: Millers anesthesia 8th edition 