The nurse auscultates a loud heart murmur while performing a cardiac assessment on a client. The nurse is aware that a heart murmur reflects:
increased fluid in the pericardial sac.
dysfunction of one or more heart valves.
an aneurysm of the descending aorta.
an occlusion of the right coronary artery.
The Correct Answer is B
A. increased fluid in the pericardial sac: While fluid accumulation can affect heart sounds, it typically leads to muffled heart sounds rather than a loud murmur. Increased fluid in the pericardial sac (pericardial effusion) usually does not produce a classic heart murmur.
B. dysfunction of one or more heart valves: This statement is correct. Heart murmurs are often caused by turbulence in blood flow due to the dysfunction of heart valves, such as stenosis (narrowing) or regurgitation (leaking). A loud murmur suggests significant turbulence, which is often indicative of valvular heart disease.
C. an aneurysm of the descending aorta: While an aortic aneurysm can cause other types of heart sounds or signs of cardiovascular compromise, it is not primarily associated with heart murmurs.
D. an occlusion of the right coronary artery: An occlusion may lead to ischemia or myocardial infarction, which can cause changes in heart sounds, but it does not directly cause a heart murmur. Murmurs are more specifically related to blood flow dynamics, particularly involving valves.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Neutrophils 57%: This value reflects the percentage of neutrophils in the white blood cell count and does not specifically indicate the effectiveness of iron therapy. It is more related to the body’s immune response.
B. International Normalized Ratio (INR) 13 seconds: INR is a measure of blood coagulation and is not directly related to iron levels or the treatment of anemia. Therefore, this result does not indicate the success of ferrous sulfate therapy.
C. Total reticulocyte count 2.2% of total RBC count: An increased reticulocyte count indicates that the bone marrow is producing more red blood cells, which is a positive response to iron supplementation. A reticulocyte count around this percentage suggests an appropriate response to therapy for iron deficiency anemia.
D. Platelet count 250,000/µL: This is a normal platelet count and does not provide information specific to the effectiveness of iron therapy. It does not reflect the state of anemia or the response to iron supplementation.
Correct Answer is C
Explanation
A. Your blood pressure reflects how strong your heart muscle contracts: This statement oversimplifies the complexities of blood pressure and doesn't directly address the client's misunderstanding about the implications of hypertension.
B. "If you feel good your medication is working properly": While this may be true, it fails to convey the importance of monitoring blood pressure, regardless of symptoms. It might lead the client to believe that feeling well means there are no health concerns.
C. "Even if you are feeling good, damage can occur to your heart and kidneys": This response is the most appropriate as it emphasizes that hypertension can cause silent damage over time, even in the absence of symptoms. It educates the client about the potential long-term consequences of uncontrolled hypertension.
D. "Have you told your doctor that you are feeling good?": While it encourages communication, it does not provide useful information or address the client’s misconceptions about hypertension and its risks.
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