The Patient with Chronic Airflow Limitation (CAL)changed to the Use

question 25

Multiple Choice

The patient with chronic airflow limitation (CAL) changed to the use of a simple face mask from a nasal cannula delivery system.The nasal equipment oxygen was set at 3 L/min.The nurse instructs the patient that,with the change in delivery systems,the oxygen should be _____ L/min.

• A)decreased to 2
• B)decreased to 1
• C)increased to 4
• D)increased to 6

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Definitions:

Volley Principle

A theory in auditory neuroscience suggesting that groups of neurons can provide a temporal coding for frequencies by firing in rapid succession, allowing the brain to perceive sounds up to about 5000 Hz.

Binaural Cues

Sounds that enable the brain to perceive direction and distance by comparing the input from both ears.

Interposition

A visual cue in which one object partly blocks another, suggesting that the blocking object is closer to the observer.

Linear Perspective

A depth cue in art and visual perception where parallel lines appear to converge as they recede into the distance, helping the observer to perceive depth.