In ECG, P-R interval corresponds to
Time interval between onset of ventricular contraction
Time delay in A-V node
S-A nodal conduction time
Increased ventricular contraction
Additional Questions
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In higher vertebrates, SA node helps in |
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The deposition of lipids on the wall lining the lumen of large and medium sized arteries is referred to as |
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Consider the following statements about biomedical technologies: (a) During open heart surgery blood is circulated in the heart-lung machine (b) Blockage in coronary arteries is removed by angiography(c) Computerised Axial Tomography (CAT) shows detailed internal structure as seen in a section of body (d) X-ray provides clear and detailed images of organs like prostate glands and lungs Which two of the above statements are correct? |
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Given below is the ECG of a normal human. Which one of its components is correctly interpreted below? |
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Which type of white blood cells are concerned with the release of histamine and the natural anti coagulant heparin? |
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A muscular wall is absent in |
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What is true about RBCs in humans? |
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If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect? |
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The cells lining the blood vessels belong to the category of |
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In humans, blood passes from the post caval to the diastolic right atrium of heart due to: |
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