In patients with xerostomia, dental decay is a. reduced. b. increased. c. the same as in healthy patients. d. nonexistent.

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

The three ways to evaluate a risk factor are: decide if you have control over the risk factor compare the benefit vs. the risk of a choice

The goal of the flu vaccine is to prevent you from becoming infected with influenza. select the best answer from the choices provided. t f