Sublingual medication should be administered?

IGNOU PB Bsc Nsg Entrance-2017

Pharmacology

Easy

Appeared in: IGNOU PB Bsc Nsg Entrance-2017

Explanation

The term 'sublingual' is derived from Latin, where 'sub' means under and 'lingua' means tongue.
This route involves placing medication under the tongue, where it dissolves and is absorbed rapidly by the rich network of blood vessels present in the area.
A key advantage of this route is that it bypasses the gastrointestinal tract and first-pass metabolism in the liver, leading to a quick onset of action and higher drug bioavailability.
This method is ideal for drugs that are needed for rapid effect, such as nitroglycerin for angina, or for drugs that are poorly absorbed or destroyed by stomach acid.

Option A: This describes endotracheal administration, a route used in emergencies for specific medications when IV access is not available. It is not the sublingual route.
Option B: This describes a subcutaneous (SC or Sub-Q) injection, where medication is injected into the fatty tissue just beneath the skin. This is a parenteral route, not the sublingual route.
Option C: This is another way of describing a subcutaneous injection or could imply an intramuscular injection (which goes deeper, into the muscle). Both are parenteral routes involving a needle and are distinct from sublingual administration.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Routes of Medication Administration as background academic context rather than a clinical decision trigger.
Correctly identifying and using the prescribed route of medication administration is a fundamental nursing responsibility critical for patient safety and therapeutic effectiveness.
Administering a sublingual medication via the wrong route (e.g., having the patient swallow it) can render the drug ineffective, which can have serious consequences, such as unrelieved chest pain in a patient with angina.
Patient education is a key nursing role. The nurse must clearly instruct the patient on how to take sublingual medication correctly (i.e., let it dissolve under the tongue, do not swallow) to ensure the desired therapeutic outcome.

How to Approach the Question

First, identify the key term in the question: 'Sublingual medication'.
Break down the term: 'Sub' means under, and 'lingual' refers to the tongue.
Therefore, 'sublingual' literally means 'under the tongue'.
Evaluate each option based on this definition.
Option A (endotracheal tube), B (under the skin), and C (under the subcutaneous layer) describe different routes of administration (endotracheal, subcutaneous, parenteral).
Option D ('Under the patient's tongue') directly matches the definition of sublingual, making it the correct answer.

Concept Tested & Keywords

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E6 Nursing Fundamentals Potter Perry 12e Part 3 p. 137-139

E6 Pharmacology Nursing Lilley 11e Part 1 p. 40-42

E6 Nursing Fundamentals Taylor p. 854-856