Dispose of empty PPF vials in an approved sharps container

You are transporting a patient who had an episode of chest pain. You administered two doses of nitroglycerin which relieved the patient's pain. He asks you why the nitroglycerin alleviated the pain. Which of the following is the BEST answer to his question?

A) It decreases the heart rate which allows the heart muscle to rest more. B) It has a sedative effect on the brain which makes you less aware of the pain. C) It dilates the blood vessels which decreases the workload on the heart. D) It causes the body to relax which decreases the need for oxygen.

Which of the following is a component of the wildland fire triangle?

a. fuel moisture b. wind c. heat d. humidity