Q. With regard to tuboglomerular feedback: (Solved)
1. the GFR increases when flow through the distal tubule increases
2. the macula densa on the afferent arteriole is the sensor
3. the afferent arteriole is constricted by thromboxane A2
4. it is designed to maintain sodium reabsorption
5. it does not operate in individual nephrons
- c. the afferent arteriole is constricted by thromboxane A2