Quick answerTake
rivaroxaban 20 mg with food at a consistent time.
Why this is correctFood increases the bioavailability of the 20 mg dose. Consistent daily administration helps maintain the prescribed anticoagulant effect.
Easy analogy or mental pictureFood is the boarding pass that helps the higher rivaroxaban dose enter reliably.
Memory hook15 and 20 need food; 10 does not.NCLEX decision ruleMatch teaching to the exact strength and indication rather than applying one administration rule to every dose.
Why the other choices are wrongFasting reduces 20 mg exposure, minor bruising requires assessment rather than self-discontinuation, and a missed once-daily dose is not corrected by doubling the next day.
References
1DailyMed: Rivaroxaban tabletsFood and missed-dose administration instructions