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Difficulty: MediumTechniques of Physical Assessment

A registered nurse is conducting a comprehensive physical assessment on a 77-year-old client in a primary care clinic. Which action by the nurse demonstrates the correct execution of assessment techniques?

  1. A
    Palpating the client's four abdominal quadrants deeply prior to auscultating for bowel sounds
  2. Applying firm pressure with the diaphragm of the stethoscope to auscultate breath sounds in a side-to-side sequenceAnswer
  3. C
    Assigning the unlicensed assistive personnel (UAP) to evaluate the amplitude and symmetry of the client's pedal pulses
  4. D
    Documenting the auscultation of a new S3 heart sound as an expected physiological change of the aging process

Answer

Applying firm pressure with the diaphragm of the stethoscope to auscultate breath sounds in a side-to-side sequence
The correct physical assessment technique for auscultating the lungs involves using the diaphragm of the stethoscope, which is specifically designed to transmit high-pitched sounds like normal breath sounds. The diaphragm must be pressed firmly against the client's skin to eliminate environmental noise and accurately capture the sounds. Furthermore, the nurse should auscultate in a systematic side-to-side pattern (rather than completing one entire side before the other) to immediately compare symmetry between the right and left lung fields.

Step-by-Step Solution

1
Analyze the correct application of the stethoscope for a respiratory assessment.
The diaphragm is used for high-pitched breath sounds and requires firm pressure. A side-to-side pattern ensures symmetrical comparison of the lung fields.
This is the fundamental evidence-based technique for assessing pulmonary function.
2
Review the abdominal assessment sequence.
The standard head-to-toe sequence (inspect, palpate, percuss, auscultate) is modified for the abdomen to inspect, auscultate, percuss, palpate.
Premature palpation alters bowel sounds, leading to an inaccurate gastrointestinal assessment.
3
Evaluate delegation and age-related physiological changes.
Pulse evaluation is an assessment task that cannot be delegated. A new S3 heart sound is pathological in older adults, not a normal part of aging.
UAPs cannot perform clinical judgments, and nurses must accurately differentiate between expected aging and signs of acute illness like heart failure.

Key Concept

Techniques of Physical Assessment
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Techniques of Physical Assessment

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