What components (Parameters) are included in the Glasgow Coma Scale?

Appeared in: MP CHO-2020

Explanation

The Glasgow Coma Scale (GCS) is a universally used tool to assess a patient's level of consciousness.
It consists of three distinct components: Eye Opening Response, Best Verbal Response, and Best Motor Response.
Each component is scored independently, and the total score helps classify the severity of a brain injury.
The correct option accurately lists these three established parameters of the GCS.

Option B: The term 'best stimuli response' is not a standard GCS parameter. The scale specifically assesses motor response to stimuli (like pain) and eye opening response, but 'stimuli response' is too general.
Option C: The term 'best response' is too vague and not a component of the GCS. The scale's strength lies in its specific, separate evaluation of verbal and motor functions.
Option D: This option is incorrect because a correct combination of the GCS components is provided in Option A.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Components of the Glasgow Coma Scale (GCS) as background academic context rather than a clinical decision trigger.
Nurses frequently use the GCS to monitor trends in a patient's neurological status. A drop in the GCS score is a critical finding that requires immediate notification of the physician.
Accurate GCS scoring is vital for communication among the healthcare team and for making decisions about patient care, such as the need for intubation (typically for GCS of 8 or less) or neuro-imaging.
What if? If a patient is intubated and cannot provide a verbal response, the score is documented with a 'T' (e.g., GCS 7T). This indicates the verbal score is not assessable, preventing an artificially low total score from being misinterpreted.

How to Approach the Question

This is a factual recall question that tests your knowledge of a fundamental nursing assessment tool.
First, identify the core concept: the Glasgow Coma Scale (GCS).
Recall the three main areas of assessment in the GCS. A common mnemonic is E-V-M (Eye, Verbal, Motor).
Evaluate each option against the E-V-M framework.
Option A directly matches the three components: Eye opening, Verbal response, and Motor response.
Eliminate other options that contain vague ('best response') or incorrect ('best stimuli response') terms.

Concept Tested & Keywords

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E6 Nursing Fundamentals Taylor p. 412-414

E6 Guide to Mental Health & PSYCHIATRIC NURSING R Sreevani— Part 2 (pp 290-564 of 579) p. 196-198

E6 Medicine Harrison 22e Part 2 p. 1475-1477

Practise the full MP CHO-2020

Attempt every question from this paper in a timed mock, then review the full solution for each one.