The first step to ensure patient safety is the careful observation of patient behavior

Gap junctions decrease the space between the presynaptic and postsynaptic neurons

a. True b. False

When are oropharyngeal airways contraindicated? 1. When foreign body obstruction already exists 2. In patients who are unconscious or comatose 3. In cases of oromaxillary or mandibular trauma

a. 1, 2, and 3 b. 1 and 3 only c. 3 only d. 1 and 2 only