Those who are healthier generally live longer than those who are sicker, but by the end of their lives, their cumulative health expenditures are less.

You are at the scene of a multiple-casualty incident. Which patient is the best candidate for immediate endotracheal intubation?

A) 31-year-old unresponsive patient who is apneic with an oral airway in place B) 22-year-old female who will not tolerate an oral airway but is vomiting and requires continual suctioning C) 46-year-old male who responds to painful stimuli, is breathing at 6 times a minute, and will not tolerate an oral airway D) 52-year-old alert and oriented patient with severe respiratory distress and stridorous respirations

What can age-related stiffening of the aorta lead to?

a. Enlargement of the left ventricle b. Susceptibility to tearing c. Degeneration of the heart's electrical system d. Parkinson's disease