J11 Phy 21. Mountain sickness

Q: A mountaineer is observed to have a hematocrit of 70%. Which of the following represents the most likely cause:

(a) Polycythemia with increased red cell mass.
(b) Relative polycythemia due to dehydration.
(c) Polycythemia due to hemoconcentration.
(d) Polycythemia with high altitude pulmonary edema.      


                                                                                            A: a. Polycythemia...