Firefighting foam consists of small, air-filled bubbles with a _______ density than water, oil, or gasoline

Which of the following basic airway adjuncts prevents the tongue from falling back to occlude the airway?

A) Yankauer catheter B) Laryngeal mask airway C) Nasal cannula D) Oropharyngeal airway

Which of the following is the standard measurement of a dosage of insulin?

a. minim b. ml c. deciliter d. unit