A client asks the nurse to describe what causes a murmur. What would be the correct response by the nurse?
"Poor electric impulse conduction through the heart
"Turbulent blood flow through the heart valves"
"Enlargement of the left ventricle."
"Weak contraction of the atria."
"Long-term systemic hypertension."
The Correct Answer is B
A. Poor electrical impulse conduction may lead to arrhythmias but does not cause a murmur.
B. A heart murmur is caused by turbulent blood flow, often through narrowed or leaking valves, creating an abnormal heart sound.
C. Left ventricular enlargement can contribute to other cardiac issues but does not directly cause murmurs.
D. Weak atrial contractions may lead to decreased cardiac output but not necessarily to a murmur.
E. While hypertension can affect the heart, it is not the direct cause of a murmur.
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Correct Answer is A
Explanation
A. Suctioning the tracheostomy is the priority action to clear secretions, which is likely the cause of the noisy, bubbly respirations. This can help the client breathe more easily.
B. Changing the tracheostomy tube is only necessary if the tube is obstructed or malfunctioning, and suctioning is generally the first step.
C. Notifying the healthcare provider may be needed if suctioning is ineffective or if complications persist, but immediate intervention is required.
D. Changing the tracheostomy dressing does not address the respiratory noise or potential secretion buildup.
E. A head-to-toe assessment may be needed, but the immediate concern is clearing the airway obstruction.
Correct Answer is D
Explanation
A. Hyperresonance is often heard in cases of pneumothorax or emphysema, not pneumonia.
B. Bubbling is not a percussed sound but rather a description of breath sounds or fluid.
C. Tympany is typically heard over hollow organs like the stomach and is not expected in lung assessment.
D. Dullness over lung tissue indicates fluid or consolidation, as seen in pneumonia.
E. Resonance is normal over healthy lung tissue but would not be expected over areas of consolidation.