which of the following errors is an example of a knowledge-based failure? a. an emt gives the correct drug to a patient, although his protocols clearly state that he is not authorized to do so. b. a patient is given nitroglycerin by an emt who did not obtain proper authorization from medical control first. c. due to an improperly applied cervical collar, a patient's spinal injury is aggravated and he is permanently disabled. d. an emt administers the wrong drug to a patient because she did not know the pertinent information about the drug.