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Author Question: What is the primary pathophysiologic mechanism in alveolar hypoventilation? a. Decreased minute ... (Read 38 times)

littleanan

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on: Jul 16, 2018
What is the primary pathophysiologic mechanism in alveolar hypoventilation?
 
  a. Decreased minute ventilation
  b. Increased ventilation/perfusion ratio
  c. Decreased venous admixture
  d. Decreased inspired oxygen pressure

Question 2

According to the Berlin definition of ARDS, what does a PaO2/FIO2 ratio of 150 mm Hg indicate for a patient on mechanical ventilation with a PEEP of 10 cm H2O?
 
  a. Normal lungs
  b. Mild ARDS
  c. Moderate ARDS
  d. Severe ARDS


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jaaaaaaa

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

A
Alveolar hypoventilation would result from a decreased minute ventilation. Among the many possible causes are oversedation, head trauma, drug overdose of respiratory depressants, and myasthenia gravis.

Answer to Question 2

C
Moderate ARDS is present when the PaO2/FIO2 ratio falls between 100 and 199 mm Hg.


littleanan

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Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

Alyson.hiatt@yahoo.com

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Reply 3 on: Yesterday
Wow, this really help

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