2007 Q4 Key - Quiz 4 Answer Key 1. Decreased coronary blood...

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Quiz 4 Answer Key 1. Decreased coronary blood flow during tachycardia (damaging to the heart) is always caused by a. Very low LVEDP b. Shortened diastolic time c. Very high aortic pressure d. High systemic diastolic pressure 2. To improve coronary perfusion we can make the heart relax more in diastole. This is done with a a. Positive chronotrope b. Negative inotrope c. Positive lusitrope d. Positive inotrope 3. Feedback control of blood pressure is effected, in large part, by stretch receptors (baroreceptors) located in the: [text pp 613-616] a. Left ventricle b. Left atrium c. Carotid sinus and aortic arch d. Aorta 4. When systemic arterial blood pressure increases the feedback control system(s) respond by: [text 613-616] a. Increasing sympathetic discharge to the heart b. Increasing parasympathetic and decreasing sympathetic discharge to the heart c. Decreasing sympathetic discharge to the heart d. Increasing parasympathetic discharge to the heart 5. A complete heart (AV) block will reveal itself in the ECG by a. A large number of QRS complexes
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This note was uploaded on 04/08/2008 for the course EBME 202 taught by Professor Cechner during the Spring '07 term at Case Western.

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2007 Q4 Key - Quiz 4 Answer Key 1. Decreased coronary blood...

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