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Author Question: The patient is experiencing an increase in intracranial pressure. This increase results in: a. ... (Read 45 times)

ts19998

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on: Jun 25, 2018
The patient is experiencing an increase in intracranial pressure. This increase results in:
 
  a. brain tissue hypoxia.
  b. intracranial hypotension.
  c. ventricular swelling.
  d. expansion of the cranial vault.

Question 2

A compensatory alteration in the diameter of cerebral blood vessels in response to increased in-tracranial pressure is called:
 
  a. herniation.
  b. vasodilation.
  c. autoregulation.
  d. amyotrophy.


mk6555

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: A
Brain tissue hypoxia occurs as a result of increased intracranial pressure as it places pressure on the brain. Increased intracranial pressure leads to intracranial hypertension.
Ventricular swelling may lead to increased intracranial pressure, but increased pressure does not lead to either ventricular swelling or the expansion of the cranial vault.

Answer to Question 2

ANS: C
Autoregulation is the compensatory alteration in the diameter of the intracranial blood vessels designed to maintain a constant blood flow during changes in cerebral perfusion pressure. Herni-ation is the downward protrusion of the brainstem. Vasodilation is an enlargement in vessel di-ameter and a part of autoregulation, but the vessels should not dilate in the presence of increased intracranial pressure. Amyotrophy is involved with the anterior horn cells of the spinal cord and not related to autoregulation.


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