Q. |
With reference to the origin of heartbeat in man, which of the following statements are false?
i) Sine-auricular node (SA node) does not act as pace-maker.
ii) Sino-auricular node acts as a pace-maker.
iii) Pace-maker lies at the top of the right auricle.
iv) Pate-maker is situated at the top of the left auricle.
Of these : |
| (a)(i) only | | (b)(i) and (ii) | (c)I) and (iv)  | | (d)(iii) and (iv) |
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