The nurse has been teaching the client about warfarin for prevention of pulmonary emboli. Which comments by the client indicate understanding of the medication?
1. "I must get my blood levels checked regularly."
2. "I shouldn't change my diet to include a lot of foods containing vitamin K."
3. "I should eat lots of foods containing vitamin K."
4. "I should report this medication to any primary healthcare provider that I see."
5. "I should not change the dosage
a) 1, 2, 4, 5
b) 2, 3, 4, 5
c) 1, 2, 3, 5
d) 1, 3, 4, 5