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.
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(1) The following posterior pituitary hormone(s) perform(s) an essential, life-sustaining function. For this question, focus on the individual rather than the offspring.
(2) In the absence of oxytocin, labor (i.e., childbirth or parturition) can be completed naturally.
(3) In the absence of oxytocin, milk ejection (let-down) from mammary glands can be completed naturally.
(4) Hormones of the posterior pituitary are produced in these hypothalamic nuclei:
(5) Venous drainage of the posterior pituitary makes it possible for oxytocin, vasopressin, and other hormones released in the posterior pituitary to reach the anterior pituitary.
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Posted: Tuesday, June 21, 2016
Last updated: Tuesday, March 11, 2025
Last updated: Tuesday, March 11, 2025
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