I: | Humans have a closed circulatory system. |
II: | Arthropods have an open circulatory system. |
Assertion(A): | A decrease in lymphocyte count in the blood will lead to an increased susceptibility to infections. |
Reason(R): | Lymphocytes are responsible for phagocytosis in innate immune response. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
Assertion(A): | Left ventricle pumps more blood than the right ventricle |
Reason(R): | Left ventricle pumps deoxygenated blood and the right ventricle pumps oxygenated blood. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is False. |
I: | They are nucleated. |
II: | Neutrophils, eosinophils and basophils are different types of granulocytes. |
III: | Lymphocytes and monocytes are the agranulocytes. |
I: | The P-wave represents the electrical excitation (or depolarization) of the atria. |
II: | The QRS complex represents the depolarization of the ventricles, which initiates the ventricular contraction. |
III: | The end of the T-wave marks the end of diastole. |
1. | Basophils | 2. | Neutrophils |
3. | Eosinophils | 4. | Lymphocytes |
In 100 mL of blood, what is the expected volume of plasma?
1. | 90 mL | 2. | 10 mL |
3. | 45 mL | 4. | 55 mL |
Comprising about 2-3% of the total white blood cells, which of the following resist infections and are also associated with allergic reactions?
1. | Eosinophils | 2. | Basophils |
3. | Monocytes | 4. | Lymphocytes |