Medical insurance specialists rely on which of the following to stay up to date with payers billing rules?

Which of the following signs and symptoms indicate that the application of NPPV is being successful? I. improvement of vital signs II. absence of respiratory muscle effort III. gas exchange improvement within 1 hour IV. decreased patient agitation and anxiety

A. I, II only B. II, IV only C. I, III, IV only D. I, II, III, IV

Which of the following is a localized weakness of a blood vessel wall?

a. Phlebitis b. Peripheral arterial disease c. Aneurysm d. Vasospasm