The correct answer for this question is Increased RBC.
cyanotic heart defect
cyanotic heart defect is a condition in heart which allows oxygenated and deoxygenated to mix up. This mix up of blood has low dissolved oxygen in it so the cells of the body receive less amount of oxygen than required
And coming to the client experiencing polycythaemia when the blood is taken out from the patient which causes the decrease in the amount of oxygen to the cells of the body. so the JAK2 gene Causes the bone marrow cells to produce more RBCs to compensate the low oxygen availability so the number of RBCs increases
To know more about polycythaemia click below :
https://brainly.com/question/941290
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