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Questions and Answers
Which type of control of organ blood flow is exerted by factors within the organ itself?
Which type of control of organ blood flow is exerted by factors within the organ itself?
- Acute control
- Long-term control
- Intrinsic control (correct)
- Extrinsic control
Which theory of metabolic control suggests that the release of vasodilator substances in response to increased tissue metabolism leads to increased blood flow?
Which theory of metabolic control suggests that the release of vasodilator substances in response to increased tissue metabolism leads to increased blood flow?
- Oxygen demand theory
- Autoregulation theory
- Myogenic theory
- Vasodilator theory (correct)
Which substances play a role in the metabolic control of blood flow to specific tissues?
Which substances play a role in the metabolic control of blood flow to specific tissues?
- pH and adenosine (correct)
- PO2 and PCO2
- cAMP and cGMP
- K+ and nitric oxide
Which of the following is NOT a mechanism of blood flow control?
Which of the following is NOT a mechanism of blood flow control?
Which of the following is NOT a special example of metabolic control of blood flow?
Which of the following is NOT a special example of metabolic control of blood flow?
Which of the following is NOT a factor that influences vascular smooth muscle signal transduction?
Which of the following is NOT a factor that influences vascular smooth muscle signal transduction?
Which of the following is NOT a mechanism of chronic control of blood flow?
Which of the following is NOT a mechanism of chronic control of blood flow?
Which of the following substances is NOT a vasoconstrictor?
Which of the following substances is NOT a vasoconstrictor?
Which of the following is a special mechanism for acute blood flow control in the brain?
Which of the following is a special mechanism for acute blood flow control in the brain?
Which of the following is NOT a characteristic of extrinsic control of organ blood flow?
Which of the following is NOT a characteristic of extrinsic control of organ blood flow?
Which of the following is a characteristic of myogenic regulation of blood flow?
Which of the following is a characteristic of myogenic regulation of blood flow?
Which of the following substances is NOT involved in the metabolic control of blood flow to specific tissues?
Which of the following substances is NOT involved in the metabolic control of blood flow to specific tissues?
Which of the following is NOT a characteristic of autoregulation of blood flow?
Which of the following is NOT a characteristic of autoregulation of blood flow?
Which of the following substances is NOT involved in the metabolic control of blood flow to specific tissues?
Which of the following substances is NOT involved in the metabolic control of blood flow to specific tissues?
Which of the following is a characteristic of myogenic regulation of blood flow?
Which of the following is a characteristic of myogenic regulation of blood flow?
Which of the following is a mechanism of acute control of blood flow?
Which of the following is a mechanism of acute control of blood flow?
Which of the following substances is NOT involved in the metabolic control of blood flow to specific tissues?
Which of the following substances is NOT involved in the metabolic control of blood flow to specific tissues?
Which of the following is a special mechanism for acute blood flow control in the kidneys?
Which of the following is a special mechanism for acute blood flow control in the kidneys?
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