The Human Body in Health and Illness 5th Edition By Herlihy
The Human Body in Health and Illness 5th Edition By Herlihy
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Chapter 17: Function of the Heart
Complete Chapter Questions With Answers
Sample Questions Are Posted Below
MULTIPLE CHOICE
| a. | pericardium. |
| b. | SA node. |
| c. | myocardium. |
| d. | mediastinum. |
ANS: C
| a. | AV valves are closed. |
| b. | ventricles are relaxed. |
| c. | ventricles are in systole. |
| d. | semilunar valves are open. |
ANS: B
| a. | The ventricles are filling with blood. |
| b. | All semilunar valves are open. |
| c. | Both AV valves are closed. |
| d. | Blood is pumped to the lungs and systemic circulation. |
ANS: A
| a. | Decreased ventricular filling (with blood) |
| b. | Failure of the AV valves to open |
| c. | Failure of the SA node to fire |
| d. | Failure of the cardiac impulse to enter the His-Purkinje system |
ANS: A
| a. | Activation of the beta1-adrenergic receptors |
| b. | Discharge of sympathetic nerves |
| c. | Discharge of the vagal nerve |
| d. | Binding of norepinephrine to its receptor |
ANS: C
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