The respiratory symptoms of lung cancer include a cough that worsens over time and ______, or coughing up blood. 

At the scene, you examine the patient and note the following symptoms: cold, waxy skin; puffy face; confusion; some muscle rigidity; and a slow heart rate. What condition might these symptoms indicate?

A) Heat exhaustion B) Heatstroke C) Mild hypothermia D) Severe hypothermia

Which of the following are important blood tests to perform on a victim of a fire? 1. Na+ 2. PaO2 3. O2Hb 4. HbCO 5. Glucose

a. 1 and 2 c. 2, 3, and 4 b. 3 and 5 d. 1, 3, and 4