Which of the following mechanisms explains the hepatic dysfunction in patients receiving posi-tive-pressure ventilation (PPV)?

a. Decreased hepatic blood flow
b. Increased portal venous pressure
c. Hepatic congestion
d. Increased bilirubin conjugation


ANS: A
These effects appear to be directly related to the reduction in hepatic blood flow that occurs with PPV.

Health Professions

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A bag-valve mask with a reservoir connected to a supplemental oxygen supply will deliver an oxygen concentration of:

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External motivation comes from outside the individual, commonly through methods such as approval, encouragement, or rewards, or punishment. Changes made under these conditions are typically long lasting

A) Both statements are true. B) Both statements are false. C) The first statement is true; the second is false. D) The first statement is false; the second is true.

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How many pyrrole rings are there in a porphyrin structure?

A. 5 B. 4 C. 2 D 1

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Calculate the following dosages by using dimensional analysis. An IV additive order is sodium chloride 60 mEq. Sodium chloride is available as 4 mEq / mL. How many mL should you add to the IV solution?A.      5 mLB.      10 mLC.      15 mLD.      18 mL

What will be an ideal response?

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