The NFPA ____ standard describes the four-diamond hazard placard warning system for fixed storage tanks and buildings.

How do oropharyngeal and nasopharyngeal airways help to restore airway patency?

a. Isolating or protecting the lower airway from aspiration b. Displacing the soft palate and uvula pos-teriorly c. Lifting and displacing the epiglottis ante-riorly d. Separating the tongue from the posterior pharyngeal wall

The ____________________ is a diluted Havana Brown that sometimes appears in litters of Havana rabbits

Fill in the blank(s) with correct word