A nurse notice that a physician typed a new drug order on a physician’s order form in the patient’s electronic medical record. The order was for vitamin K5 mg. The nurse then proceed to the medica

A nurse notice that a physician typed a new drug order on a physician’s order form in the patient’s electronic medical record. The order was for vitamin K5 mg. The nurse then proceed to the medication room in the nurses station and select a vial of potassium chloride from which to administer the drug.What error in critical thinking did the nurse made?