A critical care nurse is assessing a client who has a severe head injury. In response to painful stimuli, the client does not open their eyes, displays decerebrate posturing, and makes incomprehensible sounds. The nurse should assign the client which of the following Glasgow Coma Scale score

The Glasgow Coma Scale (GCS) is used in neurological assessment to determine the level of consciousness in clients with brain injury. It evaluates three components: eye opening, verbal response, and motor response. Each component is scored separately and then summed to give a total score ranging from 3 (deep coma) to 15 (fully alert). In severe head injury cases, abnormal motor posturing and minimal verbal response indicate significant neurological impairment and help guide urgent clinical management. Rationale: A. A score of 5 is correct based on the client’s presentation. No eye opening to pain scores 1 point, incomprehensible sounds score 2 points for verbal response, and decerebrate posturing scores 2 points for motor response. The total is 1 + 2 + 2 = 5, indicating severe neurological impairment and a poor level of consciousness requiring critical care management. B. A score of 10 is incorrect because it would indicate a higher level of consciousness with better motor and verbal responses than what is described. A client with decerebrate posturing and incomprehensible sounds would not achieve this level of function. This score would suggest moderate rather than severe brain injury. C. A score of 2 is incorrect because it would represent an extremely low level of responsiveness that is incompatible with the described findings. Even with severe injury, the client still demonstrates motor and verbal responses that contribute to a higher total score. A score of 2 would imply near-complete absence of neurological function. D. A score of 13 is incorrect because it reflects a mild head injury with near-normal cognitive and motor responses. Clients with this score typically open eyes spontaneously or to speech and can follow commands. The presence of decerebrate posturing and incomprehensible speech indicates far more severe neurological dysfunction than this score represents.