A construction worker fell approximately 15 ft and landed on his head. He is semiconscious. His respiratory rate is 14 breaths/min with adequate depth. Further assessment reveals blood draining from his nose. You should:
A) administer oxygen via nonrebreathing mask and continue your assessment.
B) insert a nasopharyngeal airway and assist ventilations with a bag-mask device.
C) suction his nasopharynx for up to 30 seconds and apply oxygen via nasal cannula.
D) insert a nasopharyngeal airway and administer oxygen via nonrebreathing mask.
Answer: A) administer oxygen via nonrebreathing mask and continue your assessment.
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The proper compression-to-ventilation ratio for two-rescuer adult CPR when an oropharyngeal airway is in place is:
A) 5:1. B) 15:2. C) 30:2. D) asynchronous.
What is the result if a bitewing radiograph is exposed using a negative 10-degree vertical angulation?
a. More maxillary teeth and alveolar bone will be recorded. b. More mandibular teeth and alveolar bone will be recorded. c. The image of the arches will appear tilted across the horizontal plane. d. The image of the arches will appear tilted across the vertical plane.