Which of the following mediators is responsible for many of the manifestations of anaphylaxis?

Which of the following is NOT one of the classifications indicating the source of a drug?

A) Natural B) Synthetic C) Chemically altered D) Genetically engineered

An 8-year-old boy is unresponsive following the accidental ingestion of his father's high blood pressure medications. His airway is open and his breathing is labored and inadequate. The pulse rate is 56 beats per minute and his skin is cool and diaphoretic. Your partner states that his lungs have crackles in them and the blood pressure is 62/40 mmHg. Which of the following represents the most

important care that you will provide to the patient? A) Determination of the exact medication taken B) Oral airway and high-concentration oxygen C) Administration of activated charcoal D) Positive pressure ventilation