The ________ region is used by both the digestive and respiratory systems

You are working in the ED caring for a 55-year-old female with a long history of COPD. She is more short of breath today than usual and states she has an increased cough. She has a tympanic temperature of 99.8°F. You have drawn arterial blood gases with the patient on room air and when the report comes back, it shows that the patient has a pO2 of 52 mmHg. Which of the following is most likely?

A) You have inadvertently drawn a venous sample. B) The patient is critically hypoxic and requires assisted ventilation. C) This is the typical value for this patient. D) The lab performed the test incorrectly.

In cardiac patient, it is best to administer a local anesthetic

a. 1?2 cartridge initially. b. 1 cartridge initially. c. 2 cartridges initially. d. do not give any anesthetic until vital signs are first checked.