What is the primary rationale for performing pre-oxygenation with 100 percent oxygen prior to rapid sequence induction?
Answer and explanation
Correct answer: C. To denitrogenate the functional residual capacity and prolong safe apnea time
Answer: To denitrogenate the functional residual capacity and prolong safe apnea time.
Why not the others: Hyperventilation prior to RSI is discouraged because hypocapnia causes cerebral vasoconstriction; Pre-oxygenation does not suppress gastric acid secretion; Pre-oxygenation does not serve to induce peripheral vasoconstriction.
Why not the others: Hyperventilation prior to RSI is discouraged because hypocapnia causes cerebral vasoconstriction; Pre-oxygenation does not suppress gastric acid secretion; Pre-oxygenation does not serve to induce peripheral vasoconstriction.
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