Question: The hypertension developed in hyperaldosteronism is produced by: 
 Options:  <1> Increase in blood calcium. <2> Desensitization of the vascular wall to the vasoconstrictors. <3> Greater release of adrenaline and noradrenaline. <4> Increase in the reabsorption of Na + and H2O. <5> Decrease in blood volume.
4