Question: The unit's PMHNP has ordered magnetic resonance imaging (MRI) tests for several patients. Which of the following patients should the PMHNP be mindful will require alternate diagnostic imaging? Select all that apply. The unit's PMHNP has ordered magnetic resonance imaging (MRI) tests for several patients. Which of the following patients should the PMHNP be mindful will require alternate diagnostic imaging? Select all that apply. A patient who had a total knee replacement A patient who is breastfeeding A patient who is taking a neuroleptic medication A patient who is claustrophobic A patient who has an allergy to iodine