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All of the following are true regarding polycythemia EXCEPT

A patient with significant heart failure and awaiting cardiac transplant is planning her vacation.  She has asked you if there are any potential side effects of going to Denver (5280 feet above sea level, PB of 671 mmHg) for a week.  Which of the following statements is/are correct regarding such a trip?

Levophed is the brand name for

The pulmonary capillary system of the lungs responds to an increased pulmonary artery pressure by dilating and recruiting pulmonary capillaries.

The coronary vessels are perfused during what ventricular phase?

If pressure remains constant, temperature and volume will vary directly. This statement describes

Stroke volume is determined by what three factors? 1. [factor1] 2. [factor2] 3. [factor3]

The inability of the bone marrow to produce red blood cells would cause

Which of the following statements describes “internal respiration”?

A patient has the following blood gas data. Calculate the alveolar oxygen tension (PAO2.) (in mmHg) ABG:  pH 7.47,  PaCO2  28,  PaO2  85,  HCO3  20, SaO2  95%VBG (mixed):  pH 7.43,  PvCO2  40,  PvO2  35, SvO2  58%FiO2  .60,    Hb  12, PB 740,  RQ 0.9