10 Questions
What is the effect of prolactin on the breast?
Increases mRNA and production of casein and lactalbumin
What is the effect of dopamine on prolactin secretion?
Inhibits its secretion
What is the effect of exercise on prolactin secretion?
Increases its secretion
What happens to prolactin levels during pregnancy?
They increase
What is the function of oxytocin in the posterior pituitary gland?
It stimulates the contraction of uterine muscles during childbirth
What is the source of hormones in the posterior pituitary gland?
It consists of axon terminals of hypothalamic neurons
What is the effect of TRH on prolactin secretion?
It stimulates its secretion
What is the function of ADH in the body?
It regulates water reabsorption in the kidneys
How is ADH synthesized?
It is synthesized as a pre-prohormone and processed into a nonapeptide
What is the role of the hypothalamus in controlling posterior pituitary secretions?
It controls the secretion of hormones through nervous signals
Test your knowledge on hormone receptors and their mechanisms of action. Learn about the different types of hormone receptors, their locations, and how they interact with hormones to activate target cells. This quiz covers G protein-linked receptors, enzyme-linked receptors, and intracellular receptors.
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