NORCET 3 - 2022 (Shift-1)
Child Health Nursing (Pediatrics)
Easy
Which of the following muscles is used for administration of DPT vaccine?
Appeared in: NORCET 3 - 2022 (Shift-1)
Explanation
- The vastus lateralis is the recommended site for DPT vaccination in infants and young children.
- This muscle is the largest and most well-developed in infants, ensuring proper medication absorption and minimizing local reactions.
- The site is located on the anterolateral thigh, away from major nerves (like the sciatic nerve) and blood vessels, which makes it the safest option for this age group.
Why Other Options Were Wrong
- Option A: While the ventrogluteal site is a safe alternative for IM injections in all age groups, the vastus lateralis is generally preferred and more commonly recommended by immunization guidelines for infants due to its larger muscle mass and ease of landmarking.
- Option C: The deltoid muscle is not sufficiently developed in infants and toddlers to safely accommodate an IM injection. Using this site in an infant can lead to poor absorption and potential injury.
- Option D: The dorsogluteal site is no longer recommended for IM injections in any age group. Its proximity to the sciatic nerve creates a significant risk of permanent nerve damage and paralysis.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Intramuscular injection sites for pediatric vaccination as background academic context rather than a clinical decision trigger.
- Correct site selection is a critical nursing responsibility that ensures vaccine efficacy and prevents patient harm, such as nerve damage, abscess formation, or poor immune response.
- Nurses must be proficient in age-appropriate site selection as a core competency in medication administration, particularly in pediatric immunization clinics.
- What if? If the patient were a 10-year-old child receiving a Tdap (tetanus, diphtheria, acellular pertussis) booster, the deltoid muscle would be the preferred site, as it is sufficiently developed by that age.
How to Approach the Question
- First, identify the core of the question: the correct muscle for a DPT vaccine.
- Recall that the DPT vaccine is a primary immunization given during infancy.
- Consider the anatomical and physiological characteristics of an infant. Their muscles are still developing, so site selection is crucial for safety and effectiveness.
- Evaluate each muscle option based on its suitability for an infant: Vastus lateralis (large thigh muscle), Deltoid (small shoulder muscle), Ventrogluteal (hip muscle), and Dorsogluteal (buttocks).
- Eliminate the dorsogluteal site immediately, as it's contraindicated due to sciatic nerve risk.
- Eliminate the deltoid muscle, as it's too small in infants.
Concept Tested & Keywords
- Concept Tested: Intramuscular injection sites for pediatric vaccination
- Stem keywords: DPT vaccine, administration, muscle
- Lead-in keywords: Which
- Clinical cues: The question implies an infant patient, as DPT is a primary childhood vaccine.
Question ID
QBfO31ssD5vmuNb7geQJRd
Reference Book
E6 Nursing Fundamentals Potter Perry 12e Part 3 pp. 174-176, 175-177
E6 Nursing Fundamentals Taylor p. 861-863
Practise the full NORCET 3 - 2022 (Shift-1)
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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