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.
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."
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
C. The first intervention should be to administer normal saline IV at 500 mL/hr to address the immediate concern of hypotension and inadequate tissue perfusion.
A. While fever control is important, especially in septic shock, administering acetaminophen should not be the first intervention in a patient with severe hypotension and shock. Addressing the low blood pressure and perfusion is a higher priority.
B. Hyperglycemia is common in critically ill patients, including those with septic shock. However, in this scenario, the patient's severely low blood pressure and signs of shock take precedence over managing hyperglycemia. Insulin therapy can be initiated later once the patient's hemodynamic status is stabilized.
D. Norepinephrine is a vasopressor medication commonly used in septic shock to increase blood pressure and improve perfusion to vital organs. It helps counteract the vasodilation and hypotension characteristic of septic shock.
Correct Answer is A
Explanation
A. Atropine is commonly used in the treatment of symptomatic bradycardia. It works by blocking vagal stimulation, leading to increased heart rate. Atropine is typically administered in doses of 0.5 to 1 mg every 3 to 5 minutes, up to a total dose of 3 mg, in patients with symptomatic bradycardia.
B. Sodium bicarbonate is not indicated for symptomatic bradycardia. It is primarily used in the management of metabolic acidosis, hyperkalemia, and certain drug overdoses. While sodium bicarbonate may be administered in specific situations during cardiopulmonary resuscitation (CPR), it is not the first-line treatment for symptomatic bradycardia.
C. Magnesium sulfate is used in the treatment of certain arrhythmias, such as torsades de pointes and refractory ventricular fibrillation or ventricular tachycardia associated with hypomagnesemia. However, it is not the first-line treatment for symptomatic bradycardia. Magnesium sulfate may be considered if there are specific indications such as torsades de pointes or suspected hypomagnesemia.
D. Epinephrine is commonly used in advanced cardiac life support (ACLS) protocols for cardiac arrest. It is not the first-line treatment for symptomatic bradycardia. Epinephrine is primarily used during CPR to improve coronary and cerebral perfusion by increasing systemic vascular resistance and heart rate.
However, in the case of symptomatic bradycardia, atropine is typically preferred as the initial medication.
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