A patient being treated for a severe blood loss has a blood pressure of 90/56 mm Hg and urine output of 10 mL over the last hour.Which physiological mechanism should the nurse recall is occurring in this patient?

Question

Quizplus · Accepted Answer

The kidneys are of great importance in the regulation of blood pressure.If blood flow through the kidneys decreases,renal filtration decreases and urinary output decreases to preserve blood volume.Decreased blood pressure stimulates the kidneys to secrete renin,which initiates the renin-angiotensin-aldosterone mechanism,raising blood pressure.A.Starling's law is used to explain how the heart adjusts blood flow to the body based upon activity.B.There is no specific medulla-brainstem mechanism that affects blood loss,blood pressure,and urine output.C.The sodium-potassium pump is a mechanism to maintain electrolyte balance within the body.

A Patient Being Treated for a Severe Blood Loss Has