The nurse auscultates a heart murmur on a client with cardiovascular disease. At which anatomic landmark will an aortic murmur be heard the loudest?
Second intercostal space, right of sternum.
Third intercostal space, left of sternum.
Second intercostal space, left of sternum.
Fourth intercostal space, left mid-clavicular line.
The Correct Answer is C
Choice A reason: The second intercostal space, right of sternum, is not the anatomic landmark where an aortic murmur will be heard the loudest. A heart murmur is an abnormal sound that is produced by turbulent blood flow through the heart valves or chambers. ¹ An aortic murmur is a type of heart murmur that occurs when the aortic valve, which separates the left ventricle and the aorta, is damaged or diseased. ² The second intercostal space, right of sternum, is the location where the aortic valve can be best heard, but not the location where the aortic murmur will be most audible. ³
Choice B reason: The third intercostal space, left of sternum, is not the anatomic landmark where an aortic murmur will be heard the loudest. A heart murmur is an abnormal sound that is produced by turbulent blood flow through the heart valves or chambers. ¹ An aortic murmur is a type of heart murmur that occurs when the aortic valve, which separates the left ventricle and the aorta, is damaged or diseased. ² The third intercostal space, left of sternum, is the location where the pulmonary valve, which separates the right ventricle and the pulmonary artery, can be best heard, but not the location where the aortic murmur will be most audible. ³
Choice C reason: The second intercostal space, left of sternum, is the anatomic landmark where an aortic murmur will be heard the loudest. A heart murmur is an abnormal sound that is produced by turbulent blood flow through the heart valves or chambers. ¹ An aortic murmur is a type of heart murmur that occurs when the aortic valve, which separates the left ventricle and the aorta, is damaged or diseased. ² The second intercostal space, left of sternum, is the location where the aortic murmur will be most audible, as it is the closest to the aorta, the largest artery in the body. ³
Choice D reason: The fourth intercostal space, left mid-clavicular line, is not the anatomic landmark where an aortic murmur will be heard the loudest. A heart murmur is an abnormal sound that is produced by turbulent blood flow through the heart valves or chambers. ¹ An aortic murmur is a type of heart murmur that occurs when the aortic valve, which separates the left ventricle and the aorta, is damaged or diseased. ² The fourth intercostal space, left mid-clavicular line, is the location where the tricuspid valve, which separates the right atrium and the right ventricle, can be best heard, but not the location where the aortic murmur will be most audible. ³
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: This is incorrect. Assessing the apical pulse is not enough to determine if the client is safe to receive digoxin. The client's digoxin level is already above the therapeutic range of 0.5 to 2 ng/mL¹² and giving another dose could increase the risk of toxicity and arrhythmias.
Choice B reason: This is incorrect. Administering 0.25 mcg of digoxin and potassium 20 mEq IV is not appropriate for this client. The client does not need more digoxin or potassium, as both could worsen the client's condition. Potassium levels should be monitored closely in clients taking digoxin, as low or high levels can affect the drug's action and toxicity³.
Choice C reason: This is correct. Withholding the medication and notifying the healthcare provider of the digoxin level is the most appropriate action for this client. The client's digoxin level is dangerously high and could cause serious adverse effects such as nausea, vomiting, vision changes, bradycardia, and cardiac arrest³. The healthcare provider may order to stop digoxin temporarily, adjust the dose, or prescribe an antidote such as digoxin immune fab⁴.
Choice D reason: This is incorrect. Administering the digoxin with a potassium supplement is not advisable for this client. The client's digoxin level is already too high and adding potassium could increase the risk of hyperkalemia, which can impair the heart's electrical activity and lead to cardiac arrest³. Potassium supplements should only be given to clients with digoxin-induced hypokalemia, and only under the supervision of the healthcare provider³..
Correct Answer is C
Explanation
Choice A reason: You feel good because your medication is working properly is not the most appropriate statement by the nurse. This statement may imply that the client does not need to worry about their blood pressure or follow up with their doctor. The nurse should educate the client about the importance of regular monitoring and adherence to the prescribed treatment.
Choice B reason: Your blood pressure reflects how strong your heart muscle contracts is not the most appropriate statement by the nurse. This statement may confuse the client or give them a false sense of security. The nurse should explain that blood pressure is determined by the force and amount of blood pumped by the heart and the resistance of the blood vessels. The nurse should also inform the client about the normal and abnormal ranges of blood pressure and the risk factors for hypertension.
Choice C reason: Even if you are feeling good, damage can occur to your heart and kidneys is the most appropriate statement by the nurse. This statement conveys the seriousness of hypertension and its potential complications. The nurse should educate the client about the effects of high blood pressure on the vital organs and the need for preventive measures and lifestyle modifications.
Choice D reason: Have you told your doctor that you are feeling good is not the most appropriate statement by the nurse. This statement may suggest that the nurse is not interested in the client's condition or does not have the knowledge or authority to address their concerns. The nurse should communicate effectively with the client and the health care team and provide appropriate guidance and support.
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