Which of the following is an unsafe behavior that contributes to most injuries at the scene of vehicle collisions?

A positive Nikolsky sign may be seen in which of the following conditions?

a. Histoplasmosis b. Major aphthae c. Minor aphthae d. Mucous membrane pemphigoid e. None of the above

What do snoring respirations in an unconscious patient indicate?

A. Blood or other secretions in the upper airway B. Spasm of the larynx and closure of the vocal cords C. Severe upper airway obstruction from a foreign body D. Partial occlusion of the posterior pharynx by the tongue