All of the following can affect a drug action except:

A client recovering from a pulmonary embolism is receiving warfarin (Coumadin). To counteract a warfarin overdose, the nurse would administer:

a) heparin. b) vitamin K1 (phytonadione). c) vitamin C. d) protamine sulfate.

Which of the following would be MOST appropriate when providing care for a blind patient?

A) Interview the family members to collect information about the patient's problem. B) Do not touch the patient without first letting him know what you are going to do. C) Speak softly to the service dog so he will know you are not a threat to his owner. D) Determine if the patient is also deaf and check to see if he has his hearing aid in.