Which of the following options is different?

Appeared in: MP CHO -2019 (Shift-2)

Explanation

Insulin is the correct answer as it is a hormone used for the medical management of diabetes mellitus.
Its primary function is to regulate blood glucose levels, which is fundamentally different from the function of the other options.
The other three options—Copper-T, Chhaya, and Condom—are all methods of contraception designed to prevent pregnancy.

Option A: This is incorrect because Copper-T is a method of contraception, specifically a long-acting reversible intrauterine device (IUD). It fits the category that includes Chhaya and Condom.
Option B: This is incorrect because Chhaya (Centchroman) is a non-steroidal oral contraceptive pill. It is a method of birth control, similar to Copper-T and Condoms.
Option D: This is incorrect because a condom is a barrier method of contraception. It also provides protection against sexually transmitted infections (STIs), but its primary purpose in this context is preventing pregnancy, aligning it with Copper-T and Chhaya.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of Contraceptive Methods and Medications as background academic context rather than a clinical decision trigger.
Nurses must have a clear understanding of different contraceptive methods to provide accurate patient education on choices, effectiveness, and proper use.
It is a critical patient safety issue to differentiate between contraceptives and other medications like insulin to prevent medication errors and ensure patients receive the correct treatment for their condition.
What if? If the question asked to identify the non-hormonal contraceptive, the answer would be more complex as both Copper-T and Condoms are non-hormonal, and Chhaya is a non-steroidal selective estrogen receptor modulator (SERM), which acts on estrogen receptors but is not a conventional hormone.

How to Approach the Question

First, analyze each option to understand its primary function or category.
Identify the common theme or category that links most of the options. In this case, you'll notice that Copper-T, Chhaya, and Condom are all related to contraception.
Look for the option that does not fit into this common category.
Insulin is used for diabetes management, not contraception, making it the 'odd one out'.
Confirm your choice by verifying that the other three options definitively belong to the identified group.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) pp. 190-192, 198-200

E6 Comprehensive Textbook of Community Health Nursing for BSc Nursing Students Part 2 — Subpart B (pp 276-535 of 550) p. 45-47

Practise the full MP CHO -2019 (Shift-2)

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