Q. No.Match Column I and Column II :
Column-I
Column-II
(a) P-wave
(i) Depolarisation of ventricles
(b) QRS complex
(ii) Repolarisation of ventricles
(c) T-wave
(iii) Coronary ischemia
(d) Reduction in the size of T-wave
(iv) Depolarisation of atria
(v) Repolarisation of atria
Select the correct option:
(a)
(b)
(c)
(d)
1.
(ii)
(iii)
(v)
(iv)
2.
(iv)
(i)
(ii)
(iii)
3.
(iv)
(i)
(ii)
(v)
4.
(ii)
(i)
(v)
(iii)
Consider the diagram of the human heart with various parts labeled as numbers. All statements given will be correct except:
| 1. | Simultaneous closure of 3 and 6 produces first heart sound |
| 2. | Simultaneous closure of 2 and 8 produces second heart sound |
| 3. | 5 pumps more blood than 4 as it has thicker musculature |
| 4. | Both 1 and 7 receive venous blood |
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If you compare with the normal ECG tracing given in your NCERT, the following ECG shows an abnormal:
| 1. P wave 2. R wave 3. S wave 4. T wave |
 |
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RBCs are the most common cells in human body and have a shape of a biconcave disc that:
1. decreases the distance between the cell membrane and hemoglobin molecules, facilitating oxygen uptake
2. allows the cells to hold more hemoglobin for a given volume
3. allows them to squeeze through the tight spaces in the spleen
4. keeps them from leaking out through the walls of capillaries
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The functions of the lymphatic system do not include:
| 1. | The removal of interstitial fluid from tissues |
| 2. | Transport of factors needed for coagulation of blood |
| 3. | transport of nutrients and hormones |
| 4. | Absorption and transport of end products of fat digestion |
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The second most common formed elements in the human blood are:
| 1. | Proteins | 2. | Water |
| 3. | RBC | 4. | Thrombocytes |
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Match each item in Column I with one in Column II and select the correct answer from the codes given:
| COLUMN I | COLUMN II | ||
| A. | Closure of AV valves | a. | Second heart sound |
| B. | Closure of semilunar valves | b. | First heart sound |
| C. | Opening of AV valves | c. | Ventricular ejection |
| D. | Opening of semilunar valves | d. | Passive ventricular filling |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | c | d |
| 3. | b | a | d | c |
| 4. | a | b | d | c |
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The nodal musculature of the heart has the capability to generate impulse:
| 1. | on stimulation by the sympathetic division of the autonomic nervous system |
| 2. | on stimulation by the parasympathetic division of the autonomic nervous system |
| 3. | on stimulation by the somatic neural division of the peripheral nervous system |
| 4. | without any external stimulus |
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Exchange of nutrients and gases between the blood and the cells always occurs:
1. by active transport
2. with the help of transport carrier proteins
3. at the arterial end of the capillary network
4. through the interstitial fluid
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Formed elements and clotting factors are removed from the blood. The remaining fluid will be called as:
| 1. | Plasma | 2. | Lymph |
| 3. | Serum | 4. | Antiserum |
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