ENDOCRINE SYSTEM
ENDOCRINE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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During mammalian labor and delivery, the contraction of uterine muscles is enhanced by oxytocin. This is an example of ____
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a negative feedback system.
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a hormone that acts in an antagonistic way with another hormone.
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a hormone that is involved in a positive feedback loop.
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signal transduction immediately changing gene expression in its target cells.
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Explanation:
Detailed explanation-1: -The release of oxytocin from the posterior pituitary gland during labor is an example of positive feedback mechanism.
Detailed explanation-2: -A good example of a negative feedback mechanism will be if the increase in temperature increases the amount of cloud cover. The increased cloud thickness or amount could reduce incoming solar radiation and limit warming.
Detailed explanation-3: -What is an example of positive feedback in homeostasis? Let’s take a look at some of the examples: clot formation, childbirth, fruit ripening, and menstrual cycle. Each one depicts what a positive feedback mechanism is like: Clotting factors are released to seal a wound.
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