Which treatment would best halt the urticaria associated with an allergic reaction?

A patient who is nonverbal from a previous stroke is in severe respiratory distress. Family states that she has multiple medical problems including high blood pressure, diabetes, heart failure, and chronic obstructive pulmonary disease (emphysema and chronic bronchitis). When assessing the patient, which one of the following signs or symptoms should raise your suspicion that the patient is

suffering from heart failure, as opposed to COPD or asthma? A) Pulmonary crackles B) Diaphoresis C) Edema to left foot D) Pursed lip breathing

You have decided to place an endotracheal tube in a 43-year-old female who was shot once in the chest and is unresponsive. What size endotracheal tube is most appropriate?

A) Medium B) 9.0 mm C) Large D) 7.5 mm