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Author Question: Which of the following diagnostic criteria refer to acute respiratory distress syndrome and acute ... (Read 93 times)

BRWH

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on: Jul 16, 2018
Which of the following diagnostic criteria refer to acute respiratory distress syndrome and acute lung injury? I. PCWP >18 mm Hg II. unilateral infiltrates on chest radiography III. Pao2/Fio2 <200 for ards iv. pao2>  
  A. I, III only
  B. II, IV only
  C. III, IV only
  D, I, III, IV only

Question 2

Which of the following pathophysiologic manifestations are similar among diseases classified as parenchymal lung injury? I. interstitial edema II. alveolar edema III. surfactant dysfunction IV. decreased pulmonary compliance
 
  A. I, II only
  B. II, III only
  C. III, IV only
  D. I, II, III, IV


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jennafosdick

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: ARDS and ALI are parenchymal lung injuries that have specific diagnostic criteria. Both have acute onset and bilateral infiltrates on chest radiography. Neither injury reflects cardiogenic edema. The PCWP will therefore be less than 18 mm Hg, and the Pao2/Fio2 ratios will be less than 200 for ARDS and less than 300 for ALI.
D. Incorrect response: See explanation C

Answer to Question 2

ANS: D
A. Incorrect response: See explanation D.
B. Incorrect response: See explanation D.
C. Incorrect response: See explanation D.
D. Correct response: Although the disease processes involved in parenchymal lung injury are different, pathophysiologic similarities exist. All parenchymal lung diseases have varying degrees of interstitial edema, alveolar edema, surfactant dysfunction, and decreased pulmonary compliance.


BRWH

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  • Posts: 553
Reply 2 on: Jul 16, 2018
Excellent

chjcharjto14

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  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

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