The _______________ is the most superficial layer of skin and is made up of many layers of tightly packed cells. 

A diver has summoned 911 after he came to the surface and became short of breath and "itchy" all over. Additionally he complains of a headache. Assessment reveals a patent airway, adequate breathing, clear breath sounds, and the following vital signs: pulse 92, respirations 20, blood pressure 156/62, and SpO2 at 96%. Proper care of this patient should include which one of the following?

A) High-concentration oxygen and epinephrine via Epi-pen B) High-concentration oxygen through a nonrebreather face mask C) Epinephrine through an Epi-pen, and immediate transport to the hospital D) Oxygen, epinephrine through an Epi-pen, and bronchodilator from an MDI

The alveolar crest is parallel to a line connecting the

A) cusp tip. B) root prominence. C) cementoenamel junctions. D) alveolar crest. E) periodontal ligament.