The following statements are true about the ejection fraction
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EXCEPT
A. EF = SV / EDV
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B. Ejection fraction has a prognostic value
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C. EF is low in systolic heart failure
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D. A normal EF excludes the diagnosis of HF
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D. A normal EF excludes the diagnosis of HF
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What's true about loop diuretic therapy of acute left ventricular
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failure
a.Should be given orally in high doses|\ |\ |\ |\ |\ |\
b.They inhibit the RAAS|\ |\ |\
c.They decrease preload only by inducing diuresis
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d.Given intravenously, they reduce venous return before the
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onset of diuresis |\ |\
d.Given intravenously, they reduce venous return before the
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onset of diuresis |\ |\
,A 37 year old female patient with severe thyrotoxicosis presented
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in the ER with manifestations of heart failure. What type of heart
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failure would it most probably be?
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a.Diastolic heart failure |\ |\
b.Right sided heart failure |\ |\ |\
c.High output heart failure |\ |\ |\
d.Low output heart failure|\ |\ |\
c.High output heart failure |\ |\ |\
Angiotensin II causes all of the following in heart failure patients
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EXCEPT
a. Increases the systemic vascular resistance
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b. Ultimately causes inappropriate remodeling of the heart
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c. Leads to increased levels of aldosterone
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d. Decreases the level of antidiuretic hormone
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d. Decreases the level of antidiuretic hormone
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Spironolactone is given to patients with chronic heart failure |\ |\ |\ |\ |\ |\ |\ |\ |\
because
1. It reduces the heart rate
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, 2. It increases myocardial contractility
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3. It antagonizes the effects of aldosterone
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4. It lowers serum potassium
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3. It antagonizes the effects of aldosterone
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Ventricular remodeling is a result of:
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a. left ventricular hypertrophy.
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b. right ventricular failure.
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c. myocardial ischemia.
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d. contractile dysfunction.
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c. myocardial ischemia.
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In systolic heart failure, what effect does angiotensin II have on
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preload and afterload?
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a. Increases preload and decreases afterload
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b. Increases preload and increases afterload
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c. Decreases preload and increases afterload
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d. Decreases preload and decreases afterload
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b. Increases preload and increases afterload
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