BHU NO - 2015
Pharmacology
Easy

Which one of the following is not an oral contraceptive pill?

Appeared in: BHU NO - 2015

Explanation

  • Cortisol is a glucocorticoid steroid hormone, primarily involved in the body's stress response, metabolism, and immune function.
  • It is not a gonadal steroid like estrogen or progestin and does not have the hormonal mechanism to prevent ovulation or pregnancy.
  • Therefore, a 'Cortisol only pill' is not a recognized form of oral contraception.

Why Other Options Were Wrong

  • Option A: This option is incorrectly phrased. The 'mini-pill' is specifically a progestin-only pill. While estrogen is a key component in many contraceptives, an 'estrogen-only mini-pill' is a contradiction in terms.
  • Option B: This describes the combined oral contraceptive pill (COCP), which is the most common and effective type of oral contraceptive.
  • Option C: This describes a sequential or phased pill. These are a valid, albeit less common, form of combined oral contraception where the hormone doses change during the cycle.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Types and hormonal composition of oral contraceptive pills (OCPs) as background academic context rather than a clinical decision trigger.
  • Nurses must accurately counsel patients on the different types of OCPs, including their composition, benefits, and risks, to ensure correct use and adherence.
  • Differentiating between sex steroids (estrogens, progestins) and corticosteroids (like cortisol) is fundamental in pharmacology to avoid medication errors and understand drug actions.
  • What if? If a patient with Addison's disease (adrenal insufficiency) requires cortisol replacement therapy, the nurse must clarify that this therapy has no contraceptive effect and the patient needs a separate method for birth control if desired.
How to Approach the Question
  • Analyze the question's lead-in: it asks what is 'NOT' an oral contraceptive. This requires identifying the outlier.
  • Evaluate each option based on foundational knowledge of endocrinology and pharmacology.
  • Recall the primary hormones used in contraception: estrogen and progestin (or progesterone).
  • Options A, B, and C all mention either estrogen or progesterone/progestin, the standard hormones used in OCPs.
  • Option D mentions cortisol. Identify cortisol as a corticosteroid (stress hormone), which is functionally different from the sex hormones used for contraception.
  • Conclude that the cortisol-only pill is the one that is not a contraceptive.
Concept Tested & Keywords
  • Concept Tested: Types and hormonal composition of oral contraceptive pills (OCPs).
  • Stem keywords: oral contraceptive pill, not
  • Lead-in keywords: not
  • Negative lead-in flag: The question asks to identify the option that is NOT a type of oral contraceptive.

Question ID

Q40K1cMYna8shsiBaukmFn

Reference Book

E6 Pharmacology Nursing Lilley 11e Part 2 p. 236-238

E6 Pharmacology KD Tripathi Essentials 9e Part 1 p. 375-377

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) p. 194-196

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