Q. No.Identify the state in which the atria and the ventricles are when most of the ventricular filling occurs:
1.
Both the atria and ventricles are in systole
2.
The atria are in diastole and the ventricles are in systole
3.
Both the atria and ventricles are in diastole
4.
The atria are in systole and the ventricles are in diastole
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Identify the incorrect statement regarding the hemolytic disease of the newborn:
| 1. | The fetus is Rh positive, and the mother is Rh negative. |
| 2. | The mother's immune system has made antibodies against the Rh factor present on the red blood cells of the previous baby. |
| 3. | The baby is born with an abnormally high number of red blood cells. |
| 4. | This can be prevented if the Rh negative mother has been given RhoGAM (antibodies). |
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Lymph does not contain:
| 1. | proteins | 2. | microorganisms |
| 3. | red blood cells and platelets | 4. | minerals |
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The sinoatrial node is the normal pacemaker of the human heart because it:
1. can form action potentials that can spread throughout the rest of the heart
2. depolarizes to its threshold potential before other pacemakers in the heart
3. is located in the top of right atrial wall
4. is most likely to form an ectopic focus
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The average life span of human red blood cells is:
| 1. | 10 days | 2. | 120 days |
| 3. | 21 days | 4. | three months |
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A chest pain or pressure, usually due to not enough blood flow to the heart muscle, is known as:
| 1. hypoxia | 2. infarction |
| 3. angina | 4. diaphoresis |
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What is the percentage of atrial blood that flows into the ventricles without atrial systole?
| 1. | 90 | 2. | 70 |
| 3. | 50 | 4. | 30 |
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The colloid osmotic pressure in the human blood is largely due to:
| 1. | electrolytes | 2. | albumin |
| 3. | fibrinogen | 4. | globulins |
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