Which of the following medication orders are for every other day?

AIIMS Patna NO - 2020

Pharmacology

Easy

Appeared in: AIIMS Patna NO - 2020

Explanation

Qod is the medical abbreviation derived from the Latin phrase 'quaque altera die', which translates to 'every other day'.
It is a standard, albeit discouraged, abbreviation used in prescriptions to instruct that a medication should be taken on alternate days.
Qod matches the defining clue or classification criterion in the stem.
Supporting mechanism: The option aligns with the governing rule, pattern, sequence, classification, or exam logic being tested.
Key differentiator: It fits the one fact that separates the correct response from the closest distractor.

Option B: Qh stands for 'quaque hora', which means 'every hour'. This is used for medications that require very frequent administration.
Option C: Qd stands for 'quaque die', which means 'every day' or 'daily'. This is a common source of medication errors as it can be easily confused with Qod.
Option D: Bid stands for 'bis in die', which means 'twice a day'. This is used for medications taken two times within a 24-hour period.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Medical Abbreviations for Medication Administration as background academic context rather than a clinical decision trigger.
A nurse's primary responsibility is patient safety. Misinterpreting a medication abbreviation can lead to severe adverse events, including underdosing (leading to therapeutic failure) or overdosing (leading to toxicity).
Upon seeing an ambiguous or error-prone abbreviation like 'Qod' on an order, a nurse must not guess. The correct and professional action is to contact the prescriber for clarification and request the order be rewritten without abbreviations (e.g., as 'every other day').
What if? - If a nurse administers a medication daily based on a misread 'Qod' order (thinking it was 'Qd'), a patient could receive double the intended dose over a 48-hour period. This could lead to toxicity, especially with narrow therapeutic index drugs like warfarin or digoxin.

How to Approach the Question

This is a factual recall question testing knowledge of common medical abbreviations.
First, identify the key phrase in the question: 'every other day'.
Next, review the options, which are all Latin-based abbreviations for medication timing.
Recall or deduce the meaning of each abbreviation: Qod (every other day), Qh (every hour), Qd (every day), Bid (twice a day).
Select the abbreviation that directly matches the meaning 'every other day'.
As a safety check, consider the clinical implications. Recognize that while 'Qod' is the technically correct answer for the exam, it is an error-prone abbreviation that should be avoided in actual practice.

Concept Tested & Keywords

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