Podcast
Questions and Answers
What is the formula for calculating the gain of a negative feedback control system?
What is the formula for calculating the gain of a negative feedback control system?
- Gain = Error/Correction
- Gain = ABP/CO2
- Gain = Stimulus/Response
- Gain = Correction/Error (correct)
In homeostasis, what happens to the variable when it is in the opposite state to the stimulus?
In homeostasis, what happens to the variable when it is in the opposite state to the stimulus?
- It stabilizes (correct)
- It remains unchanged
- It increases
- It decreases
what physiological process is described as a response to high blood pressure?
what physiological process is described as a response to high blood pressure?
- Vasodilatation (correct)
- Sweating
- Increased blood clotting
- Increase in heart rate
How does positive feedback differ from negative feedback?
How does positive feedback differ from negative feedback?
What is the significance of gain in a control system?
What is the significance of gain in a control system?
Which of the following is true about receptors/sensors in maintaining homeostasis?
Which of the following is true about receptors/sensors in maintaining homeostasis?
What is the main function of a receptor/sensor in a negative feedback loop?
What is the main function of a receptor/sensor in a negative feedback loop?
Which of the following can disturb homeostasis as medical factor according to the text?
Which of the following can disturb homeostasis as medical factor according to the text?
In a negative feedback mechanism, what does the control center do?
In a negative feedback mechanism, what does the control center do?
Why is negative feedback called 'negative' feedback?
Why is negative feedback called 'negative' feedback?
Which of the following is an example of a positive feedback mechanism?
Which of the following is an example of a positive feedback mechanism?
How does exercise relate to homeostasis ?
How does exercise relate to homeostasis ?
Which of the following is a characteristic of positive feedback in physiological processes?
Which of the following is a characteristic of positive feedback in physiological processes?
In the positive feedback control of blood clotting, what is the role of clotting factors?
In the positive feedback control of blood clotting, what is the role of clotting factors?
Which of the following statements best describes the role of positive feedback in the regulation of the luteinizing hormone (LH) during the menstrual cycle?
Which of the following statements best describes the role of positive feedback in the regulation of the luteinizing hormone (LH) during the menstrual cycle?
Which of the following is an example of a pathological positive feedback loop?
Which of the following is an example of a pathological positive feedback loop?
What is the primary function of positive feedback in physiological processes?
What is the primary function of positive feedback in physiological processes?
