A Patient Has Been Using Continuous Positive Airway Pressure (CPAP),and

question 24

Multiple Choice

A patient has been using continuous positive airway pressure (CPAP) ,and now the health care provider is recommending bi-level positive airway pressure (BiPAP) .The patient is asking the nurse to explain the difference again.Which response is appropriate?

• A)"CPAP maintains a set positive airway pressure during inspiration only."
• B)"CPAP opens the airways during inspiration and allows them to close during expiration."
• C)"BiPAP maintains a set pressure that is the same for inspiration and expiration."
• D)"BiPAP delivers sufficient expiratory pressure to keep the airways open."

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Definitions:

Random Variable

A numerical variable whose values are determined by the outcomes of random situations.

Poisson Distribution

A statistical distribution showing the probability of a given number of events happening in a fixed interval of time or space if these events occur with a constant mean rate and independently of the time since the last event.

Poisson Distribution

A distribution for predicting the probability of a given number of events occurring over a fixed interval of time or space.

Normal Distribution

A probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.