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Q. No.Which of the following are most closely associated with blood clotting?
1.
red blood cells
2.
platelets
3.
neutrophils
4.
basophils
Subtopic: Blood: Blood Clotting |
87%
Level 1: 80%+
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In blood clotting,
| 1. | thrombin → prothrombin; fibrinogen → fibrin |
| 2. | prothrombin → thrombin; fibrin → fibrinogen |
| 3. | prothrombin → thrombin; fibrinogen → fibrin |
| 4. | prothrombin → thrombin; fibrinogen → platelets |
Subtopic: Blood: Blood Clotting |
75%
Level 2: 60%+
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Blood vessels that carry blood away from the heart are
1. arteries
2. veins
3. capillaries
4. arterioles and venules
1. arteries
2. veins
3. capillaries
4. arterioles and venules
Subtopic: Human Heart: Double Circulation |
83%
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Which choice most accurately describes one sequence of blood flow?
| 1. | right atrium → right ventricle → pulmonary artery |
| 2. | left atrium → left ventricle → pulmonary artery |
| 3. | left ventricle → left atrium → aorta |
| 4. | right atrium → right ventricle → aorta |
Subtopic: Human Heart: Double Circulation |
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The valve between the right atrium and right ventricle is the
1. mitral valve
2. semilunar valve
3. tricuspid valve
4. pulmonary valve
1. mitral valve
2. semilunar valve
3. tricuspid valve
4. pulmonary valve
Subtopic: Human Heart: Gross Anatomy |
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Which of the following are most closely associated with oxygen transport?
| 1. | red blood cells | 2. | platelets |
| 3. | neutrophils | 4. | basophils |
Subtopic: Blood: General Description & RBC |
94%
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The heart rate is slowed by
| 1. | sympathetic nerves |
| 2. | parasympathetic nerves |
| 3. | corpus callosum |
| 4. | both sympathetic and parasympathetic nerves |
Subtopic: Regulation of Cardiac Activity |
85%
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What happens to a person who receives the wrong type of blood?
| 1. | All the arteries dilate. |
| 2. | All the arteries constrict. |
| 3. | The red blood cells agglutinate. |
| 4. | The spleen and lymph nodes deteriorate. |
Subtopic: Blood: General Description & RBC |
75%
Level 2: 60%+
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Both erythrocytes and leukocytes form in the
| 1. | bone marrow. | 2. | thymus. |
| 3. | arterial walls. | 4. | lymph nodes. |
Subtopic: Blood: General Description & RBC |
92%
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About how much blood is in the circulatory system of an average person?
1. 1 liter
2. 2 liters
3. 5 liters
4. 10 liters
1. 1 liter
2. 2 liters
3. 5 liters
4. 10 liters
Subtopic: Human Heart: Cardiac Cycle |
95%
Level 1: 80%+
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