The field of anesthesia of an IO nerve block includes the:
A) Pulps of maxillary central incisors through canine, and upper lip, side of nose, and lower eyelid
B) Pulps and periodontium of maxillary central incisors through canine and premolars, mesial buccal root of the first molar, upper lip, side of nose, and lower eyelid
C) Pulps of maxillary incisors, canine and premolars, upper lip, and side of nose
D) Pulps and maxillary periodontium of incisors, canine, premolars
B
Objective 2
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You are in the first-aid area assisting a patient who just arrived with chest pain. He relates a history of angina that usually resolves with nitroglycerin. The patient states that the pain started when he was skiing through the bumps. Over the last 20 minutes, he has taken three nitroglycerin tablets and rested, but the pain has not gone away. Your next action would be to:
a. try one more nitroglycerin tablet because nitroglycerin usually relieves his pain. b. attach an AED in case he goes into cardiac arrest. c. place him on high-flow oxygen. d. check his blood pressure because he has taken three nitroglycerin tablets.
A CSF is equally bloody in all tubes collected and has a yellowish supernatant. On the differential, macrophages with hemosiderin are noted. Which of the following is most likely?
a. Bacterial meningitis b. Viral meningitis c. Subarachnoid hemorrhage d. Traumatic tap