A score of 3 in a Glasgow coma scale indicates?

Appeared in: Daman & Diu Staff Nurse - 2018

Explanation

A Glasgow Coma Scale (GCS) score of 3 is the lowest possible score on the scale, which ranges from 3 to 15.
This score indicates a complete lack of responsiveness in all three tested areas: eye-opening (score of 1), verbal response (score of 1), and motor response (score of 1).
This state of total unresponsiveness is clinically defined as a deep coma or severe brain injury.

Option A: A fully responsive person is alert, awake, and oriented.
Option B: Lethargy is a state of drowsiness or sluggishness where the patient can be aroused. This represents a much milder impairment of consciousness.
Option D: Mutism refers only to the absence of a verbal response (a score of 1 in the verbal category). It does not describe the overall state of consciousness.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Interpretation of Glasgow Coma Scale (GCS) score as background academic context rather than a clinical decision trigger.
The GCS is a critical tool for nurses to objectively assess, document, and communicate a patient's level of consciousness, especially after head injury or in critical care.
A GCS score of 8 or less is generally considered to indicate a severe brain injury and coma, often prompting critical interventions like securing the airway via intubation ('Less than 8, intubate').
Serial GCS assessments are vital for monitoring neurological trends. A drop in the score is a red flag for deterioration.

How to Approach the Question

First, identify the key terms in the question: 'Glasgow Coma Scale' and 'score of 3'.
Recall the fundamental properties of the GCS: it's a scale to measure consciousness.
Remember the scoring range of the GCS, which is from a minimum of 3 to a maximum of 15.
Recognize that the question asks for the meaning of the lowest possible score (3).
Logically deduce that the lowest score must represent the most severe level of impairment.
Evaluate the given options: 'Full responsive' corresponds to the highest score (15). 'Lethargy' is a mild impairment. 'Mutism' is only one part of the assessment. 'Deep coma' accurately describes the most severe state of unresponsiveness, matching the lowest score.

Concept Tested & Keywords

Q56XLaU8u1NmZq_VBqW7UP

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

E6 Nursing Fundamentals Taylor p. 412-414

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