Cardiology Quiz #3: Anatomy of the Heart

1. A 55-year-old male with a history of hypertension presents to the emergency department with chest pain. An ECG indicates myocardial infarction involving the anterior wall of the left ventricle. Which of the following coronary arteries is most likely occluded? 

Question 1 of 5

2. During a routine physical examination, a physician notes a high-pitched, blowing murmur at the left sternal border during diastole. This finding is most consistent with dysfunction of which of the following heart structures? 

Question 2 of 5

3. A 25-year-old woman is diagnosed with a patent foramen ovale (PFO) after experiencing a cryptogenic stroke. The PFO is a result of incomplete closure of a communication between which of the following cardiac chambers? 

Question 3 of 5

4. A patient presents with cyanosis and exertional dyspnea. Imaging studies reveal transposition of the great arteries. This congenital heart defect involves the abnormal positioning of which of the following pairs of vessels? 

Question 4 of 5

5. During a cardiology lecture, a professor explains the significance of the "pacemaker" of the heart. This structure is responsible for initiating the heartbeat and is located in which of the following areas? 

Question 5 of 5


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