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| Q. |
With regard to tuboglomerular feedback: |
| A. | the GFR increases when flow through the distal tubule increases |
| B. | the macula densa on the afferent arteriole is the sensor |
| C. | the afferent arteriole is constricted by thromboxane A2 |
| D. | it is designed to maintain sodium reabsorption |
| E. | it does not operate in individual nephrons |
| Answer» C. the afferent arteriole is constricted by thromboxane A2 | |
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