High-efficiency particulate air (HEPA) filters are installed in the operating room ventilation system and remove particles equal to or larger than ___________
A. 0.1 µm C. 0.3 µm
B. 0.2 µm D. All of the above
ANS: C
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________ The rectal system is a series of hollow organs joined in a long, twisting tube from the mouth to the anus
Indicate whether the statement is true or false
To maintain positive end expiratory pressure (PEEP) and high FiO2 when suctioning a mechani-cally ventilated patient, what would you recommend?
a. Limit suction time to no more than 5 sec. b. Use a closed-system multiuse suction catheter. c. Limit suctioning to once an hour. d. Use the smallest possible catheter.
A patient working at an ice plant was trapped in a room filled with sulfur dioxide. On arrival, you donned a self-contained breathing apparatus and entered the room, finding the patient unresponsive on the floor. The room remains filled with the gas. Your immediate priority in caring for this patient is to:
A) assess the airway, breathing, and circulation. B) loosen all tight-fitting clothing. C) start positive pressure ventilation. D) remove him from the immediate environment.
Swollen lymph nodes in the anterior neck usually indicate:
A) malignancy. B) an infection. C) viral replication. D) an allergic state.