What does the acronym HPLC stand for?

Appeared in: AIIMS CRE, SNO-2024

Explanation

HPLC stands for High-Performance Liquid Chromatography, a highly efficient analytical technique.
It is used to separate, identify, and quantify components in a mixture.
The name reflects its superior resolving power and speed compared to traditional column chromatography.
While originally known as High-Pressure Liquid Chromatography, 'High-Performance' is the modern, accepted term.

Option A: This is an incorrect term. While 'High Pressure' was part of the original name, the word 'Case' is completely wrong and has no relevance.
Option C: This is a fabricated term designed to be a distractor. It has no meaning in the context of analytical chemistry or chromatography.
Option D: While the polarity of the liquid (mobile phase) and the column (stationary phase) is a fundamental principle of how HPLC works (e.g., normal-phase vs. reversed-phase chromatography), it is not what the acronym itself stands for.

Visual 1: Diagram - A schematic diagram of an HPLC system, showing the solvent reservoir, pump, injector, column, detector, and data processor. This helps visualize the path of the sample and the main components of the instrument.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Analytical Chemistry Techniques as background academic context rather than a clinical decision trigger.
In pharmaceutical quality control, HPLC is essential for ensuring that drugs are pure and contain the correct dosage of the active ingredient, which is critical for patient safety.
In clinical laboratories, HPLC is used to measure levels of vitamins, hormones, or drugs in a patient's blood, aiding in diagnosis and treatment monitoring.
What if a hospital needs to test for a specific, newly developed illicit drug in a patient's system? HPLC, often coupled with mass spectrometry (LC-MS), would be the gold-standard method to develop a test to identify and quantify that specific substance due to its high sensitivity and specificity.

How to Approach the Question

This is a factual recall question based on a common acronym in science.
First, identify the acronym in the question: HPLC.
Recall or deduce the full form of the acronym from your knowledge of laboratory and analytical techniques.
Evaluate each option to see which one correctly matches the full name.
Eliminate options that are clearly incorrect or nonsensical, such as 'High Proton Linear Cell'.
Differentiate between similar-sounding options. Recognize that while 'pressure' and 'polarity' are related concepts, 'High Performance' is the standard name for the technique.

Concept Tested & Keywords

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KD Tripathi - Essentials of Medical Pharmacology (6th Edition) p. 67-78

Practise the full AIIMS CRE, SNO-2024

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