The nurse is caring for a client with early shock. The nurse understands that which mechanism in the body is maintaining the client's blood flow?
A) The kidneys respond to poor perfusion by activating the renin-angiotensin-aldosterone system.
B) Baroreceptors respond to the increase in heart rate by increasing sympathetic outflow to the heart and blood vessels.
C) The body's blood vessels are constricted as a result of parasympathetic stimulation.
D) The cardiovascular center in the brain responds by slowing the pulse and increasing cardiac contractility.
A) The kidneys respond to poor perfusion by activating the renin-angiotensin-aldosterone system.
Explanation: A) In early shock, the kidneys respond to poor perfusion by activating the renin-angiotensin-aldosterone system (RAAS).
B) In early shock, baroreceptors respond to decreased blood pressure by increasing sympathetic outflow to the heart and blood vessels. The body's blood vessels are constricted as a result of sympathetic stimulation.
C) In early shock, baroreceptors respond to decreased blood pressure by increasing sympathetic outflow to the heart and blood vessels. The body's blood vessels are constricted as a result of sympathetic stimulation.
D) The cardiovascular center in the brain responds by increasing the pulse and cardiac contractility.
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