Deficiency of vitamin B12 may cause?

Firefighters have pulled a 62-year-old male from a bedroom that was on fire. According to the firefighters, he was smoking in bed and fell asleep. They found him supine on the floor. Assessment reveals him to be responsive to painful stimuli with soot in his airway. He is breathing rapidly, but has no evidence of burns to his body. His pulse is 124 beats per minute, respirations are 24, blood

pressure is 146/90 mmHg, and SpO2 95%. After providing the appropriate care, what question would be the most important to ask the firefighters prior to transport? A) "How did the fire start?" B) "How long was he trapped in the room?" C) "What materials were burning in the room?" D) "How fast was he breathing when you found him?"

A middle-aged male with behavioral problems states that he drank some "chemicals" to kill the bugs in his body. The patient is alert and oriented and shows no life-threatening conditions to the airway, breathing, or circulation. At this point, which of these questions should the EMT ask?

A) "Have you thrown up?" B) "When did you drink it?" C) "Do you know exactly what it was you drank?" D) "Are you taking other medications?"