Which of the Following Statements Best Describes the Effects of Positive-Pressure

question 25

Multiple Choice

Which of the following statements best describes the effects of positive-pressure ventilation on cardiac output?

• A) Positive-pressure ventilation increases intrathoracic pressure, which increases venous return and cardiac output.
• B) Positive-pressure ventilation decreases venous return, which increases preload and cardiac output.
• C) Positive-pressure ventilation increases venous return, which decreases preload and cardiac output.
• D) Positive-pressure ventilation increases intrathoracic pressure, which decreases venous return and cardiac output.

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