If a chart note documents that the patient is status post-thyroid resection 10 years ago, this would be an example of the patient's:

A pH level of less than or equal to 6.9 is:

A) alkaline. B) neutral. C) acidic. D) base.

The flow-volume loop below is representative of which of the following conditions?

a. System leak b. Intrinsic PEEP c. Inadequate flow d. Active exhalation