The patient's blood pressure is low due to shock and vasodilation of the blood vessels. The nurse recognizes this will have what impact on preload?
A) Preload will increase.
B) Preload will decrease.
C) Preload will depend on afterload.
D) Preload will vary with activity of the patient.
A
Feedback:
Preload is the amount of blood brought back to the heart to be pumped through the body. Vasodilation and shock will reduce preload because the pressure in the system is reduced, pushing less fluid through the vessels.
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