When monitoring a patient's PaO2, a result of 40-59 mm Hg would be interpreted as ____.

EMT care for an open chest wound and an abdominal evisceration are similar in that:

A) air must be periodically released from both wounds. B) occlusive dressings are placed over both wounds. C) moist dressings are placed over both wounds. D) both wounds can cause the trapping of air in the body.

Inferior alveolar nerve blocks may be unsuccessful when the needle penetration is made lateral to the sphenomandibular ligament

A) True B) False