MCQOPTIONS
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| 1. |
Why does bleeding occur through the nose in high mountainous regions ? |
| A. | he pressure of blood in capillaries is greater than the outside pressure |
| B. | he pressure at high altitudes is greater than that on the plains |
| C. | he blood pressure of a person increases at high altitudes |
| D. | he blood pressure fluctuates and finally decreases drastically |
| Answer» D. he blood pressure fluctuates and finally decreases drastically | |