How should the nurse interpret the rhythm depicted in the image?
normal sinus rhythm
sinus bradycardia
asystole
sinus tachycardia
The Correct Answer is C
A. This would show a regular rhythm with a consistent rate (60-100 bpm) and clear P waves before each QRS complex, which is not present in asystole.
B. This indicates a slow heart rate (below 60 bpm) but would still display P waves and QRS complexes; asystole shows no electrical activity.
C. This is the correct interpretation as it represents a flatline on the ECG, indicating no electrical activity in the heart.
D. This would show a rapid heart rate (above 100 bpm) with present P waves, which is not the case in asystole.
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Correct Answer is ["B","C","E"]
Explanation
A. The diaphragm of the stethoscope is used for high-pitched sounds, such as lung and normal heart sounds, not low-pitched sounds.
B. The binaural (earpieces) should fit snugly in the ears to ensure proper sound transmission and clarity.
C. Short tubing provides more accurate sounds by minimizing sound distortion, making it ideal for clinical use.
D. The bell of the stethoscope is used for low-pitched sounds, such as heart murmurs, not high-pitched sounds.
E. The stethoscope works by blocking out environmental sounds to help the user focus on internal body sounds.
Correct Answer is B
Explanation
A. Pigeon chest (pectus carinatum) is a structural deformity of the chest and is not associated with COPD.
B. A barrel chest is commonly seen in clients with COPD due to hyperinflation of the lungs, causing the chest to appear rounded and expanded.
C. Kyphotic refers to an abnormal curvature of the spine (kyphosis) and is not a characteristic of COPD.
D. Funnel chest (pectus excavatum) is another structural deformity and is not typically associated with COPD.