Which of the Following RSBI Values Would Predict That the Patient

question 45

Multiple Choice

Which of the following RSBI values would predict that the patient is least likely to be successfully weaned from mechanical ventilation?

• A) 25
• B) 50
• C) 75
• D) 100

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Definitions:

Absolute Threshold

The absolute threshold refers to the minimum intensity of a stimulus that one can detect 50% of the time.

Difference Threshold

The minimum difference in stimulation needed to detect a change or difference between two stimuli.

Just-noticeable Difference

The smallest change in intensity of a stimulus that can be detected.

Absolute Threshold

The minimum intensity of a stimulus at which it can be detected by an individual at least 50% of the time.