MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Human Physiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The two distinct heart sounds during the cardiac cycle are lub and dup. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
What is the definition of the cardiac cycle? |
| A. | The contraction of the atria |
| B. | Circulation of the blood in the heart |
| C. | The contraction and relaxation of the ventricles |
| D. | It is a sequence of event that occurs during one complete heartbeat |
| Answer» E. | |
| 3. |
THE_TWO_DISTINCT_HEART_SOUNDS_DURING_THE_CARDIAC_CYCLE_ARE_LUB_AND_DUP.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following is not true for ventricular systole? |
| A. | The ventricles relax |
| B. | The ventricles contract |
| C. | The semi lunar valves close |
| D. | The atrioventricular valves open |
| Answer» B. The ventricles contract | |
| 5. |
The P wave of the ECG represents _______________ |
| A. | ventricular depolarization |
| B. | atrial depolarization |
| C. | ventricular repolarization |
| D. | atrial systole |
| Answer» C. ventricular repolarization | |
| 6. |
An electrocardiogram is a graphic illustration of ____________ |
| A. | cardiac conduction system |
| B. | cardiac cycle |
| C. | cardiac output |
| D. | systemic and pulmonary circuits |
| Answer» B. cardiac cycle | |
| 7. |
Name the three phases of cardiac cycle in the order ____________ |
| A. | early diastole, mid-to-late diastole, ventricular systole |
| B. | ventricular systole, mid-to-late diastole, Early diastole |
| C. | mid-to-late diastole, Ventricular systole, Early diastole |
| D. | early diastole, Ventricular systole, mid-to-late diastole |
| Answer» D. early diastole, Ventricular systole, mid-to-late diastole | |
| 8. |
What is the definition of cardiac cycle? |
| A. | The contraction of the atria |
| B. | Circulation of the blood in the heart |
| C. | The contraction and relaxation of the ventricles |
| D. | It is a sequence of event that occurs during one complete heartbeat |
| Answer» E. | |
| 9. |
The volume of blood each ventricle pumps out during a cardiac cycle is about ___________ |
| A. | 70 ml |
| B. | 5000 ml |
| C. | 7 L |
| D. | 1200 ml |
| Answer» B. 5000 ml | |
| 10. |
In human being the duration of cardiac cycle is ___________ |
| A. | 0.008 sec |
| B. | 0.5 sec |
| C. | 0.8 sec |
| D. | 8 sec |
| Answer» D. 8 sec | |
| 11. |
Cardiac output is determined by _______ |
| A. | heart rate |
| B. | stroke volume |
| C. | blood flow |
| D. | heart rate and stroke volume |
| Answer» E. | |