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Author Question: Hypoxemic respiratory failure results from which of the following causes? I. capillary shunting II. ... (Read 43 times)

cnetterville

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Hypoxemic respiratory failure results from which of the following causes? I. capillary shunting II. alveolar dead space III. low ventilationperfusio n abnormalities IV. high ventilationperfusio n abnormalities
 
  A. I, II only
  B. III, IV only
  C. I, III only
  D. I, II, III, IV only

Question 2

A patient should be evaluated for nutritional supplementation if the duration of commitment to mechanical ventilation is:
 
  A. at least 24 hours
  B. 2 to 3 days
  C. 3 to 5 days
  D. greater than 5 days



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snackralk

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Answer to Question 1

ANS: D
A. Incorrect response: See explanation D.
B. Incorrect response: See explanation D.
C. Incorrect response: See explanation D.
D. Correct response: Hypoxemic respiratory failure is caused by ventilationperfusio n abnormalities ranging from capillary shunting to alveolar dead space. Between these two ventilationperfusio n extremes are low and high ventilationperfusio n ratios. Acute atelectasis and pneumonia exemplify shunt-producing diseases. Pulmonary embolism creates alveolar dead space units, and COPD causes an array of ventilationperfusio n abnormalities (i.e., low and high conditions).

Answer to Question 2

ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: Patients requiring more than 3 to 5 days of mechanical ventilation are at high risk for malnutrition and need to be evaluated for nutritional supplementation.
D. Incorrect response: See explanation C.




cnetterville

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Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review


Joy Chen

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Reply 3 on: Yesterday
Wow, this really help

 

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