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CH 17 function of the heart part 3

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preload
the amount of blood in the ventricle at the end of its resting phase is the
heart failure
under what condition is end-diastolic volume (EDV) most likely to increase while ejection fraction decreases
Starling's law of the heart
A change is preload causes a change in myocardial contractile force. This response is known as
slow heart rate
A drug causes a (+) inotropic effect, a (?) dromotropic effect, and a (?) chronotropic effect. What drug response would you expect to observe?
A patient in heart failure is given a drug that is classified as a beta1 adrenergic agonist. The drug
activates the beta1 adrenergic receptors and causes a (+) inotropic effect