The nurse is caring for a client in the neurological intensive care unit (ICU) with head trauma. The client is being monitored for increased intracranial pressure (IICP)
Using the Monroe-Kellie hypothesis as a basis for explanation, which comment by the nurse to the client's family would be most appropriate?
A) "There is nothing that can be done."
B) "Increasing brain pressure decreases the amount of blood flow to the brain itself."
C) "The pressure in the brain is increasing because the brain is shrinking."
D) "Because there is more pressure in the brain, the blood flow is also increasing."
Answer: B
The Monroe-Kellie hypothesis states that a dynamic equilibrium exists among the three components (brain, cerebrospinal fluid, and blood) of the skull. A change in the volume of any component risks a decrease in the remaining components to maintain normal intracranial pressures. The other statements by the nurse would be incorrect according to this hypothesis.
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