Find out the odd one?

Appeared in: SGPGI Nursing Officer-2023

Explanation

The fundamental difference lies in whether the term represents a duration or a specific point in time.
Morning, Evening, and Night are all periods of time that span several hours.
Noon is unique as it signifies a precise moment—exactly 12:00 in the daytime—not a duration.
This makes 'Noon' the logical odd one out as it does not fit the category of 'time periods'.

Option B: Morning is incorrect because it represents a period of time, similar to 'Evening' and 'Night'.
Option C: Evening is incorrect because it represents a period of time, similar to 'Morning' and 'Night'.
Option D: Night is incorrect because it represents a period of time, similar to 'Morning' and 'Evening'.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Logical Reasoning: Odd One Out as background academic context rather than a clinical decision trigger.
In nursing, using precise time is crucial for patient safety. The 24-hour clock (e.g., 1200 for noon, 0000 for midnight) is used in documentation to prevent medication errors that can arise from AM/PM confusion.
A medication order for 'q12h' (every 12 hours) is different from 'BID' (twice a day). q12h requires strict 12-hour intervals (e.g., 0800 and 2000), while BID is given during waking hours (e.g., 0900 and 1700).
What if a medication order just says 'take at 12 o'clock'? This is ambiguous and unsafe. The nurse must clarify whether the prescriber means 1200 (noon) or 0000 (midnight) before administering the drug.

How to Approach the Question

First, identify the type of question. This is a logical reasoning question, specifically an 'odd one out' or classification problem.
Analyze each option to understand its definition. Here, the options are all related to the time of day.
Look for a common characteristic or category that links three of the four options. 'Morning', 'Evening', and 'Night' are all periods or durations of time.
Identify the option that does not share this characteristic. 'Noon' is a specific point in time, not a duration.
The option that is different from the others is the correct answer.

Concept Tested & Keywords

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E6 Pharmacology Nursing Lilley 11e Part 1 p. 27-29

E6 Psychology Baron Misra 5e Part 1 p. 155-157

Practise the full SGPGI Nursing Officer-2023

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