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How does a negative feedback system work and Explain how negative feedback regulates the amount of thyroxine in the blood?
A negative feedback system works by detecting changes in a physiological variable and activating mechanisms to counteract those changes, maintaining homeostasis. In the case of regulating thyroxine levels in the blood, if the concentration of thyroxine becomes too high, the hypothalamus reduces the release of thyrotropin-releasing hormone (TRH), which in turn decreases the secretion of thyroid-stimulating hormone (TSH) from the pituitary gland. This leads to a decrease in thyroid hormone production by the thyroid gland, helping to restore normal thyroxine levels in the blood.
What kind of feedback mechanism is it when it causes the initial stimulus to decline?
negative feedback
What is the difference between feedback negative feedback a negative feedback response a negative feedback mechanism and a negative feed back loop?
in negative feedback. when an enzyme (negative feed back mechanism) produces too much of a molecule or substance that substance binds to the enzymes allosteric site to hault production of that substance (negative feedback response). and the whole process is the negative feedback loop.
How the level of thyroxine in the blood affects the secretion of hormone TSH?
High levels of thyroxine in the blood negatively feedback to the pituitary gland, reducing the secretion of thyroid-stimulating hormone (TSH). Conversely, low levels of thyroxine signal the pituitary gland to increase TSH secretion to stimulate the thyroid gland to produce more thyroxine.
Is reflex a form of a negative feedback response?
Reflex is not necessarily a form of negative feedback response. Reflexes are quick, involuntary responses to stimuli, while negative feedback is a regulatory mechanism that helps maintain homeostasis by reducing the effects of any deviation from an ideal set point. Reflexes can be part of negative feedback loops, but not all reflexes are negative feedback responses.
How does negative feedback regulate the amount of thyroxine in the blood?
blood level gets low
As thyroxine levels increase in the blood they exert negative feedback on the release of TSH by the pituitary gland. What effect will this have on the release of TSH?
As thyroxine levels increase the amount of TSH produced will decrease. On the other hand, when TSH levels increase the thyroxine levels will decrease. This is what causes the TSH/thyroxine levels to fluctuate.
How does a negative feedback system work explain how negative feedback regulates the amount of thyroxine in the blood?
When the amount of a particular hormone in the blood is reaches a certain level, the endocrine system sends signals to stop the release of that hormone. "Pearson Education Inc."
How does a negative feedback system work and Explain how negative feedback regulates the amount of thyroxine in the blood?
A negative feedback system works by detecting changes in a physiological variable and activating mechanisms to counteract those changes, maintaining homeostasis. In the case of regulating thyroxine levels in the blood, if the concentration of thyroxine becomes too high, the hypothalamus reduces the release of thyrotropin-releasing hormone (TRH), which in turn decreases the secretion of thyroid-stimulating hormone (TSH) from the pituitary gland. This leads to a decrease in thyroid hormone production by the thyroid gland, helping to restore normal thyroxine levels in the blood.
Emitter follower is a negative feedback amplifier using feedback as?
there is no F/B involved the emitter simply follows the changes on its base.
What is an example of a negative feedback in human body?
example of negative feedback example of negative feedback
Is an amplifier a negative feedback?
Yes, Amplifire have negative feedback.
Is blood pressure negative or positive feedback?
Is the clotting of blood an example of positive or negative feedback?
What is negative feedback of a closed loop system?
Negative feedback is a feedback where it is used in negative side in a closed loop system.Such as a inverting side feedback in op-amp.
What kind of feedback is used in emitter follower?
emitter follower is a type of negative feedback ,
What kind of feedback mechanism is it when it causes the initial stimulus to decline?
negative feedback
Definition of negative feedback and positive feedback?
A: Any feedback that contributes to the input is positive feedback any feedback that subtract from the input is negative feedback
