When the muscles of an athlete increase in diameter and become larger, this is referred to as:

Why are specialized foams designed solely for use on unignited spills of hazardous liquids?

A. The roll-on method is ineffective for hazardous liquids. B. A thick, viscous foam can form a heat-resistant blanket over burning liquid surfaces. C. The US Department of Agriculture Forest Service requires specialized foams for hazardous materials. D. Unignited chemicals tend to change the pH of water or remove the water from fire fighting foam, making the foam ineffective.

What risk(s) is (are) there in positive-pressure ventilation before all meconium has been removed from the airways?

1. Forcing meconium into the lower airways 2. Pneumothorax 3. Triggering persistent pulmonary hypertension of the neonate (PPHN) 4. Triggering an asthma attack a. 2 b. 3 c. 1, 2 d. 2, 3, 4