The cause of absolute erythrocytosis (increased haemoglobin and red cell count) among the options provided is Polycythaemia vera.

Here's why:

A) Polycythaemia vera is a type of blood disorder that causes your bone marrow to produce too many red blood cells, leading to erythrocytosis.

B) Dehydration can cause a relative increase in red blood cell count due to the reduction in plasma volume, but it does not cause an absolute increase in red blood cells.

C) Iron deficiency typically leads to anemia, which is characterized by a decrease, not an increase, in red blood cell count.

D) Haemolysis refers to the destruction of red blood cells before their normal lifespan is over, which would lead to a decrease in red blood cell count, not an increase.

Question

The cause of absolute erythrocytosis (increased haemoglobin and red cell count) among the options provided is Polycythaemia vera.

Here's why:

A) Polycythaemia vera is a type of blood disorder that causes your bone marrow to produce too many red blood cells, leading to erythrocytosis.

B) Dehydration can cause a relative increase in red blood cell count due to the reduction in plasma volume, but it does not cause an absolute increase in red blood cells.

C) Iron deficiency typically leads to anemia, which is characterized by a decrease, not an increase, in red blood cell count.

D) Haemolysis refers to the destruction of red blood cells before their normal lifespan is over, which would lead to a decrease in red blood cell count, not an increase.

Knowee AI · Accepted Answer

The cause of absolute erythrocytosis (increased haemoglobin and red cell count) among the options provided is Polycythaemia vera.

Here's why:

A) Polycythaemia vera is a type of blood disorder that causes your bone marrow to produce too many red blood cells, leading to erythrocytosis.

B) Dehydration can cause a relative increase in red blood cell count due to the reduction in plasma volume, but it does not cause an absolute increase in red blood cells.

C) Iron deficiency typically leads to anemia, which is characterized by a decrease, not an increase, in red blood cell count.

D) Haemolysis refers to the destruction of red blood cells before their normal lifespan is over, which would lead to a decrease in red blood cell count, not an increase.

Which of the following is a cause of absolute erythrocytosis (increased haemoglobin and red cell count)?APolycythaemia veraBDehydrationCIron deficiencyDHaemolysis

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