MCQOPTIONS
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| 1. |
Which of the following instrument is used for recording the chest-wall movements over the apex of heart? |
| A. | Apexcardiograph |
| B. | Ballistocardiograph |
| C. | Electro-oculograph |
| D. | Electro-retinograph |
| Answer» B. Ballistocardiograph | |