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Ch 19 Quiz
| Question | Answer |
|---|---|
| True or False: The ventricles begin to fill during ventricular diastole | True |
| True or False: Atrial contraction accounts for most of the ventricular filling | False |
| Oxygen-poor blood enters which chamber of the heart? | Right atrium |
| The cells of the ______ act as the heart's pacemaker, which establishes the pace for cardiac activity | Sinoatrial (SA) Node |
| The right side of the heart pumps blood through vessels to the lungs and back to the left side of the heart through the __________ circulation | Pulmonary |
| Referred pain, often down the left shoulder and arm, in response to myocardial ischemia is called | Angina pectoris |
| Cell-to-cell junctions, called intercalated discs, contain distinct structural features called gap junctions and _______ | Desmosomes |
| True or False: Cardiac output (CO) is equivalent to heart rate (HR) multiplied by stroke volume (SV) | True |