The function of a double-lumen endotracheal tube is to:
a. facilitate speaking.
b. protect one lung from the other.
c. maintain a tracheostomy stoma.
d. assist in weaning a patient from a TT.
ANS: B
A double-lumen endotracheal tube is used outside the operating room to protect the "good," or healthy, lung from blood contamination in patients with massive hemoptysis or infection from an empyema.
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Which of the following best describes the function of cancellous bone of the medullary canal?
A) It produces erythrocytes. B) It acts as a growth plate in long bones. C) Its dense, compact structure is well adapted to weight bearing. D) It contains yellow bone marrow.
The patient is ordered Vistaril 8 milligrams orally every 6 hours for nausea relief. You have on hand Vistaril oral suspension 4 milligrams per 2.5 milliliters. You administer ________
Fill in the blank with the appropriate word.
Ventilator-acquired pneumonia (VAP) is defined as pneumonia that develops:
a. between 24 and 48 hours after endotracheal intubation. b. more than 48 to 72 hours after endotracheal intubation. c. less than 24 hours after mechanical ventilation is started. d. more than 48 to 72 hours after mechanical ventilation is started.
Which code represents suture of lumbar plexus?
a. 64858 b. 64861 c. 64862 d. 64864