In the clinic, the physician performed a simple incision and drainage of a pilonidal cyst.

The control values for both controls for the prothrombin test were ranging between the mean and ±1 SD for the first 19 days of use. Starting on day 20, the values for both were consistently between +1 and +2 SDs. This is an example of a:

a. Shift b. Trend c. Random error d. Predictable error

What is your primary concern if you discover that a patient does not have a gag reflex?

a. Fear of aspiration of bacteria or food b. That their tonsilar tissues are grossly swol-len c. That they will not be able to breathe ade-quately d. Tracheal collapse