Which of the following medical conditions requires immediate medical help? 

In distinguishing between delirium and dementia, you should recall that delirium:

a. is a chronic, slowly progressive process; dementia is rapid in onset and has a fluctuating course. b. tends not to affect memory; dementia tends to impair memory. c. may be reversed if treated early; dementia is an irreversible disorder. d. causes global cognitive deficits; dementia causes focal cognitive deficits.

Burns to the face are considered critical because:

A. Of the potential for respiratory compromise. B. Of an elevated risk of infection. C. The patient's speech may be affected. D. The sting is thinner on the face.