Which assessment finding indicates a need for immediate intervention following a brain stem injury? (Select all that apply.)

Question

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- Cheyne-Stokes breathing is a dysrhythmia characterized by periods of apnea followed by gradual increase and eventual decrease in respiratory rate and depth. This is a concerning sign after a brain stem injury and requires immediate intervention.
- Decerebrate positioning is a rigid extension of all four extremities, indicating damage to the upper brain stem. This is also a concerning sign that requires immediate intervention.
- Loss of pupillary response to light is another concerning sign following a brain stem injury as it can indicate compression of the third cranial nerve or brainstem herniation. Immediate intervention is necessary in this case. 
- Combative, aggressive behaviors and asymmetric response to pain stimuli may be indicative of brain injury, but they do not necessarily require immediate intervention as they may be managed with medication or other treatments in a controlled setting.

Which Assessment Finding Indicates a Need for Immediate Intervention Following