While administering medications to a client, a specific drug is to be administered 'AD', what does AD refer to?

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2019

Explanation

The abbreviation 'AD' is derived from the Latin term auris dextra.
In medical terminology, auris means ear and dextra means right.
Therefore, an order to administer a medication 'AD' specifies that it should be given in the patient's right ear.

Option B: The abbreviation for 'Left ear' is 'AS', which stands for the Latin term auris sinistra.
Option C: The abbreviation for 'Right eye' is 'OD', which stands for the Latin term oculus dexter.
Option D: The abbreviation for 'Left eye' is 'OS', which stands for the Latin term oculus sinister.

Clinical Relevance

Nursing practice connection: Use the key finding related to Medical Abbreviations in Medication Administration to guide bedside assessment, documentation, and the next nursing action.
Patient Safety: Using ambiguous abbreviations like AD, AS, OD, and OS is a major cause of medication errors. Instilling ear drops in the eye (or vice versa) can cause significant harm, including pain, infection, and permanent damage.
Professional Responsibility: Nurses are the last line of defense in preventing medication errors. It is a nurse's responsibility to clarify any ambiguous or potentially unsafe order. If you see an order with 'AD', you should contact the prescriber to have it changed to 'right ear'.
What if?: If a nurse misreads 'AD' (right ear) as 'OD' (right eye) and administers antibiotic ear drops into a patient's eye, the alcohol base in the otic solution could cause severe corneal burns, intense pain, and potential vision loss. The immediate nursing action would be to irrigate the eye with sterile saline and report the error immediately.

How to Approach the Question

First, identify the core of the question. The question asks for the meaning of the medical abbreviation 'AD'.
This is a factual recall question. Access your knowledge of common medical abbreviations.
Recall the Latin roots: 'A' for auris (ear) and 'D' for dextra (right). Combine them to get 'right ear'.
Mentally review the similar-sounding abbreviations to confirm your choice and rule out the distractors. 'O' stands for oculus (eye), 'S' for sinistra (left).
Select the option that matches your recalled definition: 'Right ear'.
Finally, remember the critical safety principle: while you need to know these for exams, in practice, you must always clarify such abbreviations and advocate for writing them out in full to prevent errors.

Concept Tested & Keywords

QID3w-_PhmeYKkrZWA8R01

E6 Pharmacology Nursing Lilley 11e Part 1 p. 85-87

Practise the full RUHS, Jaipur, PB B.Sc Nursing Entrance-2019

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