When the mean arterial pressure fluctuates in a certain range, the stabilization of the renal blood flow belongs to
A: autoregualtion
B: negative feedback
C: positive feedback
D: feedforward
A: autoregualtion
B: negative feedback
C: positive feedback
D: feedforward
举一反三
- The working principle of riboswitch involves： A: negative feedback B: positive feedback C: cis-repression D: trans-activation E: feedforward
- Calcium levels in the blood are regulated by A: positive feedback mechanism. B: negative feedback mechanism. C: neither positive or negative feedback. D: both positive and negative feedback.
- The delivery process belongs to () A: Neuro regulation B: Humoral regulation C: Autoregulation D: Positive feedback regulation E: Negative feedback regulation
- What is the range of systemic arterial blood pressure that can make renal blood flow maintain self-regulation? ( ) A: 90~170mmHg B: 80~160mmHg C: 70~150mmHg D: 60~140mmHg E: 50~130mmHg
- Which<br/>of the following arterial blood pressure could keep renal<br/>blood flow unchanged?() A: 40~100mmHg B: 50~100mmHg C: 50~180mmHg D: 70~180mmHg E: 100~180mmHg