A 45-year-old female who returned from a trip abroad had nausea and diarrhea, and then later, muscle aches, fever, and chills. She was admitted to a local hospital and was diagnosed with the parasitic disease, trichinosis

As you enter a room for an unknown medical emergency, you find an unresponsive male with snoring respirations lying supine in bed. Which one of the following actions should you take immediately?

A) Take in-line manual spinal stabilization. B) Perform a head-tilt, chin-lift maneuver. C) Start positive pressure ventilation. D) Suction the airway of fluids.

Which of the following statements is true regarding apparent "gain of attachment"?

A) Increased gingival recession + increased resistance to probing B) Coronal migration of the free gingival margin C) Development of excessive gingival fibers D) Thickening of periodontal ligament fibers