Inter-atrial septum in the human heart is:
1. | a thin muscular wall | 2. | a thick muscular wall |
3. | a thin membranous wall | 4. | a thick membranous wall |
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Which of the following would not be normal in a healthy human being?
1. A cells/blood ratio of 45%
2. A plasma albumin concentration of 4%
3. An RBC count of 5.2 million mm-3
4. A hemoglobin level of 15 gram per liter
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The second heart sound [dub] is associated with simultaneous closure of:
1. | Right AV and pulmonary semilunar valve |
2. | Left AV and aortic semilunar valve |
3. | Right and left AV valves |
4. | Right and left semilunar valves |
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The least common of WBCs in the human blood are:
1. | Eosinophils | 2. | Lymphocytes |
3. | Neutrophils | 4. | Basophils |
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Which of the following is not represented on an ECG of a healthy individual?
1. | Ventricular depolarization | 2. | Ventricular repolarization |
3. | Atrial depolarization | 4. | Atrial repolarization |
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The enzyme that activates fibrinogens in the blood is:
1. | Thromboplastin | 2. | Thrombokinase |
3. | Thrombin | 4. | Plasmin |
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Blood enters the heart because muscles of the:
1. | ventricles relax | 2. | ventricles contract |
3. | atria relax | 4. | atria contract |
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The portal systems seen in humans include:
I: Hepatic portal system
II: Renal portal system
III: Hypothalamic Hypophyseal portal system
1. | I and II only | 2. | I and III only |
3. | II and III only | 4. | I, II and III |
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Passive filling accounts for about what percent of ventricular filling?
1. | 30 | 2. | 50 |
3. | 70 | 4. | 90 |
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Which of the following recordings of blood pressure in a healthy person will be considered as normal?
1. | 150/80 mmHg | 2. | 110/70 mmHg |
3. | 120/96 mmHg | 4. | 180/110 mmHg |
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