A client has an order for furosemide (Lasix) 40 mg IV push via a heparin lock. Which of the following nursing actions would be MOST appropriate?

C One cc of 1:1,000 heparin flush should be administered before the medication. A Use a 16- to 18-gauge 1-in needle for administration. B Administer the medication over one to two minutes. D A primary IV should be started prior to medication administration.