A 68-year-old is admitted to the emergency department with a diagnosis of polycythemia vera (PV). A nurse realizes the patient's symptoms are mainly the result of:
a. a decreased erythrocyte count.
b. rapid blood flow to the major organs.
c. increased blood viscosity.
d. vessel injury.
ANS: C
The symptoms of PV are due to increased blood viscosity, the erythrocyte count is elevated, there will be decreased blood flow to tissues and organs but vessel injury does not occur.
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