Im not sure, but im guessing a, c, and b but this is probably wrong
Blood pressure is the most accurate way to determine a patient's condition. Electronic blood pressure machines, can provide a quick way to do a complete assessment of a patient, so medications dosages based of blood pressure can be administered in a timely manner. Pulse oximeters are great to measure oxygen saturation levels and pulse rates as well. In conclusion, the use of electronic devices for vitals are a benefit of technology providing it is quality equipment.
A. Narcotic. A narcotic drug can interfere with the brain causing changes in thoughts, moods, and perceptions.