A: Autoregulation only affects local blood flow without inducing changes
in systemic circulation.
B: Autoregulation is the intrinsic ability of body cells, tissues or
organs to respond to changes.
C: Renal blood flow is autoregulated over a wide range of mean arterial
pressures.
D: Autoregulation occurs with involving neural regulation.
E: None of above.
举一反三
- 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
- 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
- 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
- If<br/>the Reynold’s number of blood flow is 3500, then the flow<br/>will be A: laminar<br/>flow B: idea flow C: turbulent flow D: smooth flow
- Which the following statement about the change of blood pressure is<br/>wrong() A: Clip the side of the common carotid artery, and cause to raise blood<br/>pressure B: Arterial blood pressure is elevated when the sympathetic nerve is<br/>excited C: Vagus nerve inhibits heart activity and lowers arterial blood<br/>pressure D: The excitation of vagus nerve enhances heart activity and arterial<br/>blood pressure elevated E: Intravenous epinephrine, blood pressure rise
内容
- 0
Which of the following is the overall principle for health preservation A: Adjust accordingly to the changes B: Harmonize the visceral organs C: Regulate the body’s qi and blood D: A, B and C
- 1
The delivery process belongs to () A: Neuro regulation B: Humoral regulation C: Autoregulation D: Positive feedback regulation E: Negative feedback regulation
- 2
Flow control is one of the basic functions of the data link layer. Regarding flow control, which one is correct among following statements? A: Only the data link layer has flow control B: Not only the data link layer has flow control, but the flow control objects of each layer are the same C: Not only does the data link layer have flow control, but the flow control objects of each layer are different D: None of the above is right
- 3
Which is the following is NOT mentioned as a consequence of too little sleep? A: Dramatically B: Dysregulation in blood pressure C: increased blood flow to the brain D: increased inflammation in the body
- 4
Which is the major factor affecting the resistance of blood flow?() A: Velocity of blood flow B: The length of blood vessel C: Viscosity of blood D: The diameter of arteriole E: The compliance of aorta