Which term would the nurse use to document a patient who is comatose from a head injury and display flexion of the arms, wrists, and fingers, as well as adduction of the upper extremities?
Decorticate posturing
Epileptic
Stroke
Decerebrate posturing
The Correct Answer is A
A. Decorticate posturing indicates severe brain injury, characterized by flexion of the arms and adduction of the upper extremities.
B. Epileptic is not a term used to describe posturing related to head injury.
C. Stroke does not describe posturing.
D. Decerebrate posturing is characterized by extension and pronation of the arms, not flexion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The constriction and dilation of blood vessels in the brain helps maintain appropriate cerebral blood flow and cerebral perfusion pressure (CPP) despite fluctuations in blood pressure.
B. Catecholamines regulate other systemic body functions, but they do not directly impact cerebral perfusion pressure.
C. Carbon dioxide exhalation can affect blood flow, but the primary regulation of CPP is through blood vessel constriction and dilation.
D. The amount of blood pumped from the heart can impact overall blood pressure but does not directly regulate cerebral perfusion pressure.
Correct Answer is A
Explanation
A. Osmotic diuretics, such as mannitol, help reduce cerebral edema by drawing fluid out of the brain.
B. Osmotic diuretics do not increase cell size.
C. The goal of osmotic diuretics is not to provide fluid hydration.
D. The medication does not expand extracellular fluid volume; it reduces it.
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