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Q. No.During the ventricular systole:
I:
The atria also undergo systole
II:
The atrioventricular valves get closed
III:
The semilunar valves are forced open
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Human Heart: Cardiac Cycle |
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Level 1: 80%+
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Match blood cells given in Column-I with their most important function in Column-II and select the correct match from the codes given:
Codes:
| Column-I | Column-II | ||
| A. | Neutrophils | P. | Phagocytosis |
| B. | Basophils | Q. | Inflammatory reactions |
| C. | Lymphocytes | R. | Immune responses |
| D. | Thrombocytes | S. | Coagulation of blood |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3. | R | S | P | Q |
| 4. | S | R | Q | P |
Subtopic: Blood: General Description & RBC |
94%
Level 1: 80%+
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Identify the incorrect statement:
| 1. | Mollusks and arthropods have closed circulatory system |
| 2. | All vertebrates possess a muscular chambered heart |
| 3. | In fishes, the heart pumps out deoxygenated blood |
| 4. | The left atrium receives oxygenated blood in amphibians and reptiles |
Subtopic: Human Heart: Double Circulation |
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Level 1: 80%+
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The cell shown in the given diagram:
| 1. | is a bone marrow stem cells committed to produce RBCs |
| 2. | is the megakaryocyte |
| 3. | is the commonest WBC and is phagocytic |
| 4. | is responsible for acquired immunity in humans |
Subtopic: Blood: White Blood Cells |
83%
Level 1: 80%+
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Consider the given two statements:
| I: | SA node is the natural pacemaker of the human heart. |
| II: | SA node is the only part of that nodal musculature that is auto-excitable. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Human Heart: Gross Anatomy |
60%
Level 2: 60%+
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Consider the given two statements:
| I: | The type of antigen present on the RBCs of a person with blood group type A is A. |
| II: | The type of antibodies present in the plasma of a person with blood group type A is anti-A. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Blood: Blood Group (A,B,O) |
80%
Level 1: 80%+
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Cardiac output can be increased by:
| I: | Neural signals through sympathetic nerves |
| II: | Neural signals through parasympathetic nerves |
| III: | Adrenal medullary hormones |
| 1. | Only I and II |
| 2. | Only I and III |
| 3. | Only II and III |
| 4. | I, II and III |
Subtopic: Regulation of Cardiac Activity |
84%
Level 1: 80%+
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All the following statements are correct except:
| 1. | Neutrophils and monocytes are the main phagocytic cells in human blood. |
| 2. | Mature RBC does not have a nucleus and is biconcave disc-shaped. |
| 3. | A person with type A blood will have anti-B antibodies in his plasma. |
| 4. | Erythroblastosis foetal occurs when an Rh +ve mother is carrying an Rh –ve foetus. |
Subtopic: Blood: General Description & RBC |
87%
Level 1: 80%+
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Match each item in Column-I with one in Column-II and select the correct match from the codes given:
Codes:
| Column-I | Column-II | ||
| A. | P wave on an ECG | P. | Ventricluar depolarization |
| B. | QRS complex on an ECG | Q. | Atrial depolarization |
| C. | First heart sound | R. | Closure of semilunar valves |
| D. | Second heart sound | S. | Closure of atrioventricular valves |
Codes:
| A | B | C | D | |
| 1. | Q | P | S | R |
| 2. | P | Q | S | R |
| 3. | P | Q | R | S |
| 4. | Q | P | R | S |
Subtopic: ECG & Coronary Artery Disease |
85%
Level 1: 80%+
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements choose the correct answer from the options given below:
| Assertion (A): | The sino-atrial node is normally the pacemaker of the human heart. |
| Reason (R): | It is the only auto-excitable part of the nodal tissue of the human heart. |
| 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. | Both (A) and (R) are False. |
Subtopic: Human Heart: Gross Anatomy |
57%
Level 3: 35%-60%
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