After an intubation attempt, an expired capnogram indicates a CO2 level near zero. What does this finding probably indicate?
a. Abnormally high ventilation/perfusion ra-tio ()
b. Placement of the endotracheal tube in the esophagus
c. Placement of the endotracheal tube in the trachea
d. Failure of the cuff to properly seal the airway
ANS: B
If the tube is in the esophagus, CO2 levels remain near zero.
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An accumulation of interstitial fluid in the tissues is called ________
Fill in the blank(s) with correct word
According to the American Medical Association's Council on Ethical and Judicial Affairs, which of the following is not a type of ethical conflict facing physicians?
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Which of the following statements bestexplains the need to reposition a patient upright with the mouth remaining wide open for up to two minutes after the completion of a Gow-Gates injection?
A) An open mouth allows access to safely remove the syringe and bite block from the mouth, and provides time to rinse and suction the area of injection while preventing aspiration risk in an upright position B) An upright, open mouth position allows gravity to improve the flow of solution toward the IA nerve, which is located 5 to 10 mm from the deposition site C) An open mouth allows the condyle to remain fully translated over the articular eminence, preventing the diffusion of solution away from the IA nerve; the upright position facilitates diffusion toward the IA nerve D) An open mouth allows withdrawal of the syringe without contacting the mandibular occlusal plane; the upright position improves diffusion of the solution toward the IA nerve