MCQOPTIONS
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MCQOPTIONS
| 1. |
The commonly used frequency range in obstetrical ultrasonography is - |
| A. | 3.5-5 KHz |
| B. | 20-25 KHz |
| C. | 3.5-5 MHz |
| D. | 20-25 MHz |
| Answer» D. 20-25 MHz | |