UPPSC 2017
Medical & Surgical Nursing
Easy
Which investigation is not done to diagnose neurological problem?
Appeared in: UPPSC 2017
Explanation
- E.C.G. stands for Electrocardiogram, a test that measures the electrical activity of the heart.
- It is used to detect cardiac abnormalities such as arrhythmias, ischemia, and infarction.
- While some cardiac conditions can have neurological consequences (like a stroke from atrial fibrillation), the E.C.G. itself is a cardiac diagnostic tool, not a neurological one.
Why Other Options Were Wrong
- Option A: E.E.G. (Electroencephalogram) directly measures the electrical activity of the brain and is a primary tool for diagnosing neurological conditions.
- Option C: A C.T. (Computed Tomography) scan provides detailed structural images of the brain, making it a cornerstone of neuroimaging.
- Option D: A Lumbar Puncture (often misspelled as 'Lumber') is an invasive procedure to analyze cerebrospinal fluid (CSF), which surrounds the brain and spinal cord. It is vital for diagnosing infections and inflammatory conditions of the central nervous system.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Diagnostic Investigations for Neurological Disorders as background academic context rather than a clinical decision trigger.
- A nurse's role includes correctly preparing the patient for these diverse procedures, which involves providing education, ensuring consent, and managing post-procedure care (e.g., monitoring for headache after a lumbar puncture).
- Misinterpreting orders for an EEG versus an ECG can lead to significant diagnostic delays and patient harm. It is a critical patient safety check.
- What if the patient had a stroke caused by a heart arrhythmia? In this case, both an E.C.G. (to find the cardiac cause) and a C.T. Scan/M.R.I. (to assess the brain damage) would be necessary, illustrating the link between the cardiac and neurological systems.
How to Approach the Question
- First, identify the core of the question. Here, the task is to find the test that does not fit with 'neurological problems'.
- Note the negative keyword 'not'. This means three options will be related to neurology, and one will be the outlier.
- Analyze each option: E.E.G. (brain electricity), E.C.G. (heart electricity), C.T. Scan (brain imaging), Lumbar Puncture (spinal fluid analysis).
- Compare each option against the 'neurological problem' criterion.
- E.E.G., C.T. Scan, and Lumbar Puncture are all standard neurological investigations.
- E.C.G. is the only test focused on a different organ system (the heart), making it the correct answer.
Concept Tested & Keywords
- Concept Tested: Diagnostic Investigations for Neurological Disorders
- Stem keywords: investigation, diagnose, neurological problem
- Lead-in keywords: not
- Negative lead-in flag: The question asks to identify the investigation that is NOT used for diagnosing neurological problems.
Question ID
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Reference Book
E6 Medicine Davidson Principles Practice 24e p. 1095-1097
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 3477-3479
E6 Nursing Brunner Adult Health 3SA Vol 2 Part 2 p. 30-32
Practise the full UPPSC 2017
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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