Question: Which information would the nurse share with a team member about the pathophysiology of hypertension? Vasoconstriction causes blood to pool in the lower extremities, making the heart pump harder. Enlarging of the blood vessels with no rise in cardiac output leads to increased blood pressure. Narrowing of the arteries causes decreased peripheral resistance, leading to higher blood pressure. Overstimulation of angiotensin and aldosterone causes the blood pressure to increase. Need Assignment Help?