A client tells the nurse that he is concerned because his provider told him he has a heart murmur. The nurse should explain to the client that a murmur

indicates turbulent blood flow through a valve.

is an extra sound due to blood entering an inflexible chamber.

is a high-pitched sound due to a narrow valve.

means that there is some inflammation around the heart.

Answer and Explanation

The Correct Answer is A

A. A heart murmur typically indicates turbulent blood flow through a heart valve. This turbulence can occur due to various reasons, such as valve stenosis (narrowing), regurgitation (leakage), or structural abnormalities of the valves. The turbulent flow produces audible sounds that can be heard with a stethoscope during cardiac auscultation.

B. A heart murmur is not caused by blood entering an inflexible chamber. Instead, it is caused by turbulent blood flow through the heart valves. The sound produced by this turbulent flow may vary depending on the underlying pathology of the valve.

C. While heart murmurs can be described based on their characteristics (such as high-pitched or low- pitched), the presence of a heart murmur does not necessarily indicate a narrow valve. Murmurs can occur due to various valve abnormalities, including stenosis (narrowing) or regurgitation (leakage). The pitch and quality of the murmur may vary depending on the underlying pathology and the location of the abnormality.

D. A heart murmur is not typically associated with inflammation around the heart. While inflammation of the heart (such as myocarditis or pericarditis) can cause symptoms and abnormal sounds, these conditions would not be described specifically as a "heart murmur."

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Free Nursing Study Resources

Correct Answer is B

Explanation

B. In a closed chest drainage system, slow and steady bubbling in the suction control chamber is typically an expected finding, as it indicates that the suction is active and functioning properly

A. Checking the tubing connections for leaks or the suction control outlet on the wall might be necessary if there were signs of a problem with the system's function.

C. Checking the suction control outlet on the wall is a reasonable action to ensure that the suction source is functioning appropriately and delivering the prescribed suction pressure to the chest drainage system. If there are any issues with the suction control outlet, they should be addressed to maintain proper suction.

D. Clamping the chest tube is not indicated based solely on the presence of slow, steady bubbling in the suction control chamber. Clamping the chest tube could obstruct drainage and lead to complications such as tension pneumothorax or retained hemothorax.

A. Prone Position B. Positioning supine with head elevated to 30-45 degrees C. Infusion of Albumin D. Transfusion of PRBC

Correct Answer is A

Explanation

A. Prone positioning involves turning the patient onto their abdomen to improve ventilation-perfusion matching by redistributing ventilation to the dorsal lung regions, where perfusion is typically better in ARDS patients.

B. Semi-recumbent positioning may be used to prevent aspiration and reduce the risk of VAP but is not as effective as prone positioning for improving V/Q matching.

C. Albumin infusion is not specific interventions for improving ventilation-perfusion matching in ARDS and should be considered based on other clinical indications.

D. Transfusion of packed red blood cells (PRBC) may be indicated in cases of severe anemia or hypoxemia due to inadequate oxygen-carrying capacity. However, it is not a primary intervention for improving ventilation-perfusion matching in ARDS

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A client tells the nurse that he is concerned because his provider told him he has a heart murmur. The nurse should explain to the client that a murmur

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is observing the closed chest drainage system of a client who is 24 hr post thoracotomy. The nurse notes slow, steady bubbling in the suction control chamber. Which of the following actions should the nurse take?

Correct Answer is B

Explanation

A client with acute respiratory distress syndrome (ARDS) shows no improvement despite increases in concentration in oxygen administered. What intervention should the nurse attempt which may improve ventilation-perfusion matching?

Correct Answer is A

Explanation

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