Which posture is exhibited by abnormal flexion of the upper extremities and extension of the lower extremities?
Normal.
Decorticate.
Decerebrate.
Flaccid.
The Correct Answer is B
Choice A rationale
Normal posture involves relaxed and symmetrical positioning of the limbs without any abnormal flexion or extension.
Choice B rationale
Decorticate posturing is characterized by abnormal flexion of the upper extremities at the elbows and wrists, and extension of the lower extremities, often indicating damage to the corticospinal tract.
Choice C rationale
Decerebrate posturing involves extension and outward rotation of both the arms and legs, indicating damage to the brain stem, which is more severe than decorticate posturing.
Choice D rationale
Flaccid posture refers to a complete lack of muscle tone and resistance, often seen in severe cases of neurological damage or after a stroke. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["D","E"]
Explanation
Choice A rationale
Exercise is important but should be done in a well-lit, comfortable environment. Exercising in a dark room is not specifically beneficial for migraine management and may not address trigger factors effectively.
Choice B rationale
Adequate sleep is crucial for migraine management. Advising to sleep no more than 5 hours at a time is incorrect; sufficient rest is necessary to prevent migraines.
Choice C rationale
St. John's Wort is commonly used for depression and anxiety but has no proven efficacy for migraine management. It may also interact with other medications.
Choice D rationale
Keeping a food diary helps identify dietary triggers that can lead to migraines. Tracking food intake can reveal patterns and specific triggers to avoid.
Choice E rationale
Maintaining a headache diary is important for tracking migraine frequency, duration, and potential triggers. It helps in managing and understanding the condition better.
Correct Answer is D
Explanation
Choice A rationale
Pressing the bones on the neck does not adequately assess for rigidity and may cause discomfort without providing useful information about the neurologic status.
Choice B rationale
Moving the head toward both sides is a method used to assess range of motion but does not specifically assess for neck rigidity, which requires specific positioning and movement.
Choice C rationale
Lightly tapping the lower portion of the neck to detect sensation does not assess for rigidity; it may be used to test sensory function rather than muscular stiffness or tension.
Choice D rationale
Moving the head and chin toward the chest is the standard method to assess for neck rigidity, especially in cases of suspected meningitis. This movement can reveal stiffness or resistance, which are key indicators of neurologic involvement.
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