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Q. No.Subtopic: Blood: General Description & RBC |
90%
Level 1: 80%+
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Human heart is :
| 1. | Myogenic |
| 2. | Regulated mostly extrinsically |
| 3. | Neurogenic |
| 4. | Not at all under the controll of autonomic nervous system |
Subtopic: Regulation of Cardiac Activity |
97%
Level 1: 80%+
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Which of the following is incorrect?
| 1. | The blood pressure of 140/90 or above relates to hypertension |
| 2. | High blood pressure leads to heart diseases |
| 3. | High blood pressure affects vital organs like brain and kidney |
| 4. | The blood pressure of 120/80 indicates low blood pressure |
Subtopic: DISORDERS OF CIRCULATORY SYSTEM |
90%
Level 1: 80%+
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Which of the following develops the greatest pressure in the mammalian aorta?
| 1. | Systole of left atrium |
| 2. | Diastole of right ventricle |
| 3. | Systole of left ventricle |
| 4. | Diastole of right atrium |
Subtopic: Human Heart: Double Circulation |
79%
Level 2: 60%+
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People living at sea level have around 5 million RBCs per cubic millimeter of their blood whereas those living at an altitude to 5400 metres have around 8 million. This is because at high altitude
| 1. | People eat more nutritive food, therefore, more RBCs are formed. |
| 2. | People get pollution-free air to breathe and more oxygen is available |
| 3. | Atmospheric O2 level is less and hence more RBCs are needed to absorb the required amount of O2 to survive. |
| 4. | There is more UV radiation which enhance RBC production. |
Subtopic: Human Heart: Cardiac Cycle |
89%
Level 1: 80%+
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Coronary heart disease is due to:
| 1. | Streptococci bacteria |
| 2. | Inflammation of pericardium |
| 3. | Weakening of the heart valves |
| 4. | Insufficient blood supply to the heart muscles |
Subtopic: DISORDERS OF CIRCULATORY SYSTEM |
85%
Level 1: 80%+
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The deposition of lipids on the wall lining the lumen of large and medium sized arteries is referred to as:
| 1. | Deep vein thrombosis |
| 2. | Stokes- Adams syndrome |
| 3. | Osteoporosis |
| 4. | Atherosclerosis |
Subtopic: DISORDERS OF CIRCULATORY SYSTEM |
91%
Level 1: 80%+
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The first heart sound is produced when
| 1. | Semilunar valve shuts |
| 2. | Interventricular pressure decrease |
| 3. | Diastole begins |
| 4. | Bicuspid and tricuspid valves closed quickly |
Subtopic: Regulation of Cardiac Activity |
89%
Level 1: 80%+
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Subtopic: Blood: General Description & RBC |
90%
Level 1: 80%+
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The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of
| 1. | Purkinje system |
| 2. | Sinoatrial node |
| 3. | Atrioventricular node |
| 4. | Atrioventricular bundle |
Subtopic: Human Heart: Cardiac Cycle |
88%
Level 1: 80%+
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