In the open circuit washout method, what gas mixture does the patient breathe for the test?

PMH means

A) Partial myocardial hemorrhage B) Positive mental health C) Posterior medial hernia D) Past medical history

Since the year 2000, the minimum degree needed to be a pharmacist is a:

A) BS Pharm. B) MS Pharm. C) PharmD. D) Ph.D. in pharmacy.