# Situation: At the well-child clinic of a Rural Health Unit (RHU), the nurse sees toddlers aged 12 to 36 months with their parents. The nurse examines an 18-month-old who is sitting quietly on her mother's lap. In what order should the nurse perform these steps? 1. Auscultate the heart and lungs 2. Examine the ears and throat 3. Palpate the abdomen 4. Count the respirations by watching the abdomen

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=629535  
> language: ko  
> subject: Nursing Practice II — Maternal and Child Health Nursing

## 문제

Situation: At the well-child clinic of a Rural Health Unit (RHU), the nurse sees toddlers aged 12 to 36 months with their parents.

The nurse examines an 18-month-old who is sitting quietly on her mother's lap. In what order should the nurse perform these steps?
1. Auscultate the heart and lungs
2. Examine the ears and throat
3. Palpate the abdomen
4. Count the respirations by watching the abdomen

## 보기

1. 1, 4, 3, 2
2. 4, 1, 2, 3
3. 4, 1, 3, 2 **✔ 정답**
4. 4, 3, 1, 2

**정답: 3**

## 해설

In young children, the examination is ordered from least to most distressing, not head to toe. Respirations are counted first by watching the abdomen without touching the child, then the heart and lungs are auscultated while she is still quiet. Palpation follows, and the ears and throat, the most distressing parts, are examined last.

## 심화 해설

When examining a toddler, the sequence of physical assessment steps is not simply head-to-toe. The order is deliberately arranged to minimize distress and preserve the accuracy of findings that depend on a calm, quiet child. For an 18-month-old who is sitting quietly on a parent’s lap, the correct order is count respirations first, then auscultate the heart and lungs, then palpate the abdomen, and finally examine the ears and throat.

The first step is to count the respirations by watching the abdomen rise and fall. This requires no physical contact and can be done while the child is still relaxed. In toddlers, breathing is primarily diaphragmatic, so abdominal movement is a reliable visual cue for respiratory rate. Touching the child or placing a stethoscope too early may cause crying, which alters both respiratory rate and pattern. Key point! Respiratory rate is the only vital sign that can be voluntarily altered, and in a toddler it is also easily changed by emotional distress, so it must be obtained before any potentially upsetting contact.

Next, auscultation of the heart and lungs should be performed while the child remains quiet. Heart sounds, murmurs, and breath sounds are best appreciated when the child is not crying or moving excessively. The stethoscope itself is generally non-painful, but it is still a foreign object. Performing auscultation early—before palpation or any uncomfortable examination—allows the examiner to hear baseline sounds without interference from crying or guarding.

The third step is palpation of the abdomen. Palpation requires the examiner to touch the child more firmly, and it can provoke guarding or ticklishness. However, it is generally less distressing than examination of the ears and throat. Performing palpation before those more invasive steps allows the abdomen to be assessed while the child is still relatively cooperative. Deep palpation is avoided in a toddler, and the examiner uses a warm hand and gentle, gradual pressure.

The final step is examination of the ears and throat. These are the most distressing parts of the toddler physical examination. The otoscope is inserted into a sensitive canal, and throat inspection requires a tongue depressor, which often triggers gagging, crying, and active resistance. Watch out! Once the ears and throat are examined, the child is likely to cry and become uncooperative, making any subsequent auscultation or palpation unreliable. Therefore, these steps are always saved for last.

The underlying principle is least invasive and least distressing to most invasive and most distressing. This sequencing is a standard pediatric assessment strategy because it protects the validity of objective data. A crying toddler will have an elevated heart rate, rapid and irregular respirations, and a tense abdomen, which can mimic or mask true abnormalities. By ordering the examination from quiet observation to increasingly stimulating maneuvers, the nurse obtains the most accurate baseline findings possible.

| Order | Step | Rationale |
| --- | --- | --- |
| 1 | Count respirations by watching abdomen | No touch needed; child is quiet; avoids altering respiratory rate |
| 2 | Auscultate heart and lungs | Requires stethoscope but is non-painful; best done before crying begins |
| 3 | Palpate abdomen | More physical contact; may cause guarding but less distress than ear/throat exam |
| 4 | Examine ears and throat | Most distressing and invasive; saved for last to preserve earlier findings |

In a licensure examination context, this question tests whether the candidate recognizes that pediatric assessment sequencing differs from the traditional adult head-to-toe approach. The correct answer 4, 1, 3, 2 reflects the principle of performing the least distressing, observation-based step first and the most distressing, invasive steps last. This order is especially important when the child is already calm and cooperative, as in this scenario, because it maximizes the window of opportunity to collect accurate data before the child becomes upset.

## 임상 시나리오

Toddler Exam SequenceLeast to most distressing, not head to toe
For a quiet toddler, start with respiratory rate by observing abdominal movement before any touch. Breathing is diaphragmatic in this age group, and crying alters the rate.

Then auscultate heart and lungs while the child is still calm to capture baseline sounds without interference from crying or movement.

Follow with abdominal palpation, and save the ear and throat exam for last because it is the most distressing part.

CautionTouching the child or using a stethoscope too early can trigger crying and falsely change respiratory rate and pattern.

## 핵심 개념

- **Least-to-most distressing sequence** — Ordering pediatric exam steps from non-invasive to most upsetting to preserve accuracy of findings
- **Diaphragmatic breathing** — Abdominal movement is the primary visible cue for respiratory rate in toddlers
- **Auscultation** — Listening to heart and lung sounds with a stethoscope while the child is quiet

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