Erythropoietin is secreted by the ________ in adults

Your patient is a 32-year-old female, 30 weeks' pregnant, complaining of shortness of breath and palpitations. She is alert and oriented, though anxious; her skin is cool and moist, and her radial pulse is weak and rapid, but regular. HR = 180, BP = 100/72, RR = 24. The monitor shows supraventricular tachycardia. After applying oxygen by nonrebreather and starting an IV of normal saline, which of the following is most appropriate?

A) 150 mg of amiodarone B) Transport without further intervention C) 6 mg of adenosine D) 2 mg of Versed and cardioversion beginning at 50 joules

If 50% of the gas delivered to a patient is oxygen, its partial pressure at 1 atm is _____ mm Hg

a. 265.0 c. 380.0 b. 356.5 d. 403.5