A patient who is admitted to a burn unit is hypovolemic. A new nurse asks an experienced nurse about the patient's condition. Which response if made by the experienced nurse is most appropriate?
a. "Blood loss from burned tissue is the most likely cause of hypovolemia."
b. "Third spacing of fluid into fluid-filled vesicles is usually the cause of hypovolemia."
c. "The usual cause of hypovolemia is vaporation of fluid from denuded body surfaces."
d. "Increased capillary permeability causes fluid shifts out of blood vessels and results in hypovolemia."