Exhibits
Nurse analyzes the findings.
Which can the nurse do to mitigate artifacts when performing auscultation? Select all that apply.
Reach under a gown to listen and take care that no clothing rubs on the stethoscope
Keep the examination room warm, and warm the stethoscope
Wet the chest hair before auscultating
Ensure the room is as quiet as possible
Document the roaring and crackles
Correct Answer : A,B,C,D
Rationale:
A. Reach under a gown to listen and take care that no clothing rubs on the stethoscope: Direct placement of the stethoscope on the skin prevents interference from clothing, which can cause extraneous "roaring" or scratching sounds. Ensuring no fabric rubs against the stethoscope helps obtain clearer, more reliable auscultation results.
B. Keep the examination room warm, and warm the stethoscope: A cold environment or cold stethoscope can trigger shivering in the client, leading to muscle movement noises during auscultation. Warming the room and stethoscope minimizes these artifacts and allows better evaluation of breath sounds without false interference.
C. Wet the chest hair before auscultating: Chest hair can create crackling or static sounds when it rubs against the stethoscope. Lightly wetting the hair reduces friction, ensuring that abnormal lung sounds like crackles are genuine findings and not artifacts caused by the hair movement.
D. Ensure the room is as quiet as possible: Background noise can make auscultation findings harder to hear and interpret. A quiet environment helps the nurse distinguish actual breath sounds from ambient noise, especially important when assessing for subtle abnormalities like crackles or decreased breath sounds.
E. Document the roaring and crackles: Documenting artifact sounds like roaring without first addressing the source could lead to incorrect clinical conclusions. Roaring caused by hair or clothing interference must be corrected before recording findings, so immediate documentation without artifact correction is not appropriate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Rationale:
A. Measure the circumference of the calf: Measuring calf circumference is used primarily to assess for deep vein thrombosis (DVT) or edema, not dehydration. It evaluates for swelling but does not give information about the client’s hydration status.
B. Grasp skin fold of the posterior forearm: Checking skin turgor by grasping and gently pulling a fold of skin on the posterior forearm is a standard method to assess for dehydration. Poor turgor, where the skin remains tented, suggests fluid volume deficit and supports a diagnosis of dehydration.
C. Check hands for parchment-like appearance: A parchment-like appearance of the hands is more related to normal aging changes rather than acute dehydration. It reflects thinning of the skin rather than fluid status, and could lead to misinterpretation if used for hydration assessment.
D. Press skin over a bony prominence: Pressing over bony prominences checks for edema or pitting rather than skin elasticity. While edema can coexist with dehydration in complex cases, evaluating turgor is a more direct and sensitive technique for diagnosing dehydration.
Correct Answer is D
Explanation
Rationale:
A. Localized sternal border pain intensified by palpation: Pain that worsens with palpation suggests musculoskeletal causes such as costochondritis rather than cardiac ischemia. Cardiac chest pain is usually deep, pressure-like, and not reproducible with touch.
B. Chest pain that intensifies upon chest excursion: Pain that worsens with breathing movements often points to pleuritic causes such as pulmonary embolism or pleurisy, not myocardial infarction. Cardiac chest pain is generally constant and unaffected by breathing patterns.
C. Anterior thorax pain that radiates between the scapulae: Pain radiating between the scapulae is more characteristic of aortic dissection rather than a typical acute myocardial infarction, though some cardiac conditions can cause atypical pain patterns.
D. Pain in the neck, jaw, or medial side of the left arm: Referred pain to the neck, jaw, or inner left arm is classic for an acute myocardial infarction. This pattern reflects nerve pathways from the heart and is a hallmark symptom that strongly indicates myocardial ischemia.
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