Endocrinology is defined as the study of how chemical messenger molecules, referred to as hormones, influence physiological processes. By definition, a hormone is a signaling molecule that is released into the bloodstream, where the hormone can then travel to distant target cells and tissues within the body. Along with the nervous system, the hormones of the endocrine system provide an important means by which information travels within the body. Test your basic knowledge of the endocrine system by taking this simple quiz.
(1) Prolactin acts on target cells by binding to this receptor type:
(2) Binding of oxytocin to the oxytocin receptor leads to:
(3) Which of the following lead(s) to oxytocin release from the posterior pituitary?
(4) Which of the following is a target tissue for oxytocin?
(5) The physiological actions of oxytocin include the following: