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Which one of the following congenital heart defects typically does NOT produce increased pulmonary arterial blood flow?

Which one of the following factors that predisposes to atherosclerosis, is not modifiable?

If two successive QRS complexes are 600 milliseconds apart, what is the heart rate?

With no baroreceptor, which of the following will occur in response to major blood loss?

A 56 year old woman with a history of asthma is diagnosed with hypertension. Laboratory studies reveal a creatinine of 3.0 mg/dL and a potassium level of 5.6 mg/dL. Which of the following medications is appropriate to treat her hypertension?

Infected endocarditis vegetations have which one of the following characteristics?

A 76 yo woman presents with worsening fatigue and activity intolerance. An ECG done in the ER demonstrates a junctional escape rhythm with a heart rate near 40 bpm. No P waves are visible. What best explains the patient’s presenting symptoms?

What is a common beneficial effect of enalapril and metoprolol in the treatment of heart failure?

A 66 yo man suffers an inferior-wall ST elevation myocardial infarction (STEMI) which is treated with emergent coronary stenting. Five days after the STEMI, he suddenly develops a systolic murmur heard at the apex. What is the cause of the murmur?

The cardiovascular responses of a well-trained athlete are being studied during a marathon. Just before the athlete runs, heart rate (60 beats/min), blood pressure (110/80 mm Hg), and cardiac output (4.2 L/min) are recorded. What is the patient’s resting stroke volume (mls/stroke)?