Answer to Question 1
ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: Clinical research has identified a few predictors of the need for prolonged ventilation measured during the index hospitalization. These predictors include a witnessed aspiration event, failed extubation, nosocomial pneumonia, high acute and chronic health evaluation (APACHE II) score, advanced age, poor prior functional status, and primary disease.
D. Incorrect response: See explanation C
Answer to Question 2
ANS: B
A. Incorrect response: See explanation B.
B. Correct response: The median age of PMV patients is 65 years, and they are frequently survivors of sepsis, trauma, multiple organ failure, ALI, and ARDS.
C. Incorrect response: See explanation B.
D. Incorrect response: See explanation B