One of the goals of long-term mechanical ventilation (LTMV) in the home or alternative care site is which of the following?
a. Permit lung healing
b. Reduce hospitalizations
c. Relieve respiratory distress
d. Improve pulmonary gas exchange
ANS: B
The overall goal of LTMV at home or in other alternative care sites is to improve the patient's quality of life by enhancing the individual's living potential; improving the patient's physical and physiological level of function; reducing morbidity; reducing hospitalizations; extending life; and providing cost-effective care. The other options are the goals of acute mechanical ventilation.
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Which of the following statements are true concerning prone positioning ARDS patients during mechanical ventilation?
A. Patients who have ARDS from septicemia respond better than patients who have ARDS from direct lung injury. B. Patients who develop ARDS from direct lung injury respond better than those who get ARDS from nonlung injury. C. Prone positioning reduces length of ICU stay and decreases mortality associated with ARDS. D. Prone positioning offers improved oxygenation, but does not improve mortality.
A patient is unable to elevate the chin enough for a parietoacanthial facial bone projection (Wa-ters method). How could the positioning setup be adjusted for an optimal projection to be ob-tained?
a. Angle the central ray cephalically. b. The projection cannot be obtained. c. Align the central ray parallel with the MML. d. Elevate the patient's chin as far as possible and use a perpendicular central ray.