A nurse applies a painful stimulus to the nailbeds of an unconscious patient. The patient responds with extension of the arms and legs, pronation of the arms, and plantar flexion. The nurse documents this as:
Decorticate posturing
Flexion withdrawal
Localization of pain
Decerebrate posturing
The Correct Answer is D
Choice A reason:
Decorticate posturing involves abnormal flexion of the arms towards the chest and extension of the legs. This posture indicates damage to the corticospinal tract at the level of the diencephalon. The described response does not match decorticate posturing.
Choice B reason:
Flexion withdrawal is a response to painful stimuli where the patient pulls away or flexes the affected limb. This is a less severe response than posturing and does not match the description provided in the scenario.
Choice C reason:
Localization of pain refers to the patient's ability to purposefully move a hand to the site of a painful stimulus, indicating higher brain function. The described response of arm and leg extension with pronation does not fit this description.
Choice D reason:
Decerebrate posturing is characterized by extension of the arms and legs, pronation of the arms, and plantar flexion. This posture indicates severe brainstem damage and is consistent with the described response.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D"]
Explanation
Choice A reason:
Increased oxygen saturation is not typically associated with neurogenic shock. Neurogenic shock usually involves bradycardia, hypotension, and potential respiratory issues, but not an increase in oxygen saturation.
Choice B reason:
Urine output less than 30 mL/hr is a sign of decreased perfusion to the kidneys, which can occur in neurogenic shock due to hypotension. This reduced urine output is a concerning manifestation that the nurse should monitor closely.
Choice C reason:
A decreased level of consciousness can be related to many factors, including hypoxia, hypotension, or other complications from the spinal cord injury. While it is an important sign to monitor, it is not a definitive marker of neurogenic shock.
Choice D reason:
A heart rate of 34 beats/min (bradycardia) is a common sign of neurogenic shock, which results from the loss of sympathetic tone due to the spinal cord injury. Bradycardia and hypotension are key indicators of neurogenic shock.
Correct Answer is D
Explanation
Choice A reason:
Administering Atropine can increase the heart rate, but it is not the immediate first action. The priority is to stop the stimulus causing the vagal response, which in this case is the suctioning.
Choice B reason:
Calling the healthcare provider is important, but the immediate action should be to stop the suctioning to eliminate the cause of the vagal response. Once the immediate issue is addressed, notifying the provider can follow.
Choice C reason:
Continuing to clear the airway can exacerbate the vagal response and worsen the patient's condition. The immediate action should be to stop the suctioning.
Choice D reason:
Stopping the suctioning is the best immediate action to take when the patient becomes diaphoretic, nauseous, and experiences a significant drop in heart rate. This response is likely due to vagal stimulation, and stopping the suctioning will help alleviate the symptoms.
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