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Q. No.The WBC count of a person's blood sample is 8000/cu.mm. How many eosinophils and lymphocytes would be in the same blood sample approximately?
| 1. | 160 – 240/cu.mm and 1600 – 2000/cu.mm, respectively |
| 2. | 100 – 120/cu.mm and 160 – 200/cu.mm, respectively |
| 3. | 300 – 500/cu.mm and 500 – 700/cu.mm, respectively |
| 4. | 300 – 500/cu.mm and 1200 – 1500/cu.mm, respectively |
Subtopic: Blood: White Blood Cells |
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Select the incorrect statements with reference to Rh grouping.
Choose the answer from the options given below:
| A. | Erythroblastosis foetalis is a condition observed having foetus with \(Rh^{-ve}\) blood and mother with \(Rh^{-ve}\) blood. |
| B. | Rh antigen is observed on RBCs in the majority of human beings. |
| C. | Before blood transfusion, Rh group should also be matched. |
| D. | Rh incompatibility is observed when a pregnant mother is \(Rh^{-ve}\) and the foetus is \(Rh^{-ve}\) |
| E. | Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother immediately after the delivery of the second child. |
| 1. | A and E only | 2. | A and B only |
| 3. | B and C only | 4. | C and D only |
Subtopic: Blood: Blood Group (A,B,O) |
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Which of the following statements is incorrect?
1. Fibrinogen is produced from fibrin
2. Blood coagulates in response to an injury
3. Blood clot consists of fibrins
4. Fibrin is produced from fibrinogen
1. Fibrinogen is produced from fibrin
2. Blood coagulates in response to an injury
3. Blood clot consists of fibrins
4. Fibrin is produced from fibrinogen
Subtopic: Blood: Blood Clotting |
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The number of action potentials generated by sino-arterial node (SAN) in a healthy human is _____ per minute.
1. 120 - 140
2. 28 - 30
3. 70 - 75
4. 100 - 110
1. 120 - 140
2. 28 - 30
3. 70 - 75
4. 100 - 110
Subtopic: Human Heart: Double Circulation |
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Which of the following is not a part of human central neural system ?
1. Pericardium
2. Arachnoid
3. Dura mater
4. Pia mater
1. Pericardium
2. Arachnoid
3. Dura mater
4. Pia mater
Subtopic: Human Heart: Gross Anatomy |
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The opening between the right atrium and the right ventricle is guarded by ___________.
1. sino-atrial node
2. bicuspid valve
3. tricuspid valve
4. semilunar valve
1. sino-atrial node
2. bicuspid valve
3. tricuspid valve
4. semilunar valve
Subtopic: Human Heart: Gross Anatomy |
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Cardiac activities of the heart are regulated by :
Choose the correct answer from the options given below:
| A. | Nodal tissue |
| B. | A special neural centre in the medulla oblongata |
| C. | Adrenal medullary hormones |
| D. | Adrenal cortical hormones |
| 1. | A, C and D only |
| 2. | A, B and D only |
| 3. | A, B and C only |
| 4. | A, B C and D |
Subtopic: Regulation of Cardiac Activity |
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NEET - 2025
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Following are the stages of pathway for conduction of an action potential through the heart:
Choose the correct sequence of pathway from the options given below:
| A. | AV bundle | B. | Purkinje fibres |
| C. | AV node | D. | Bundle branches |
| E. | SA node | ||
| 1. | A-E-C-B-D | 2. | B-D-E-C-A |
| 3. | E-A-D-B-C | 4. | E-C-A-D-B |
Subtopic: Human Heart: Cardiac Cycle |
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | P wave | I. | Heart muscles are electrically silent |
| B. | QRS complex | II. | Depolarization of ventricles. |
| C. | T wave | III. | Depolarization of atria. |
| D. | T-P gap | IV. | Repolarization of ventricles. |
| 1. | A-III, B-II, C-IV, D-I |
| 2. | A-II, B-III, C-I, D-IV |
| 3. | A-IV, B-II, C-I, D-III |
| 4. | A-I, B-III, C-IV, D-II |
Subtopic: ECG & Coronary Artery Disease | Circulatory Pathways |
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In standard ECG diagram, the P-wave represents:
1. Depolarisation of the atria
2. Repolarisation of the ventricle
3. Depolarisation of the ventricle
4. End of systole
1. Depolarisation of the atria
2. Repolarisation of the ventricle
3. Depolarisation of the ventricle
4. End of systole
Subtopic: ECG & Coronary Artery Disease |
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