18 Questions
What is the primary function of the endocrine system?
To maintain the internal environment in the body
How do hormones reach their target cells?
Through the bloodstream
What is necessary for a cell to respond to a hormone?
A hormone receptor
What is the key difference between the endocrine and nervous systems?
The endocrine system is anatomically discontinuous
What is one of the principal functions of the endocrine system?
To integrate and regulate growth and development
What is the ultimate goal of the endocrine system?
To maintain homeostasis
What determines the concentration of hormones as seen by target cells?
The rate of production, delivery, and degradation of hormones
What is the function of a hormone receptor?
To bind to a hormone and induce a biological response
What type of hormone is growth hormone?
Circadian hormone
What is the term for the regulation of hormone secretion by the hypothalamus?
Chronotropic control
What is the role of agonists in hormone-receptor interaction?
To bind to the receptor and induce a biological response
What is the mechanism by which most drugs mimic hormonal action?
By interacting with specific hormone receptors
What is the primary function of Thyrotropin-releasing hormone (TRH)?
Stimulating the release of thyroid-stimulating hormone (TSH)
Which hormone is responsible for increasing milk secretion in mammary glands?
Oxytocin
What is the main function of Antidiuretic hormone (ADH)?
Controlling water reabsorption in the kidneys
What is the effect of a lack of iodine on thyroid hormones?
Decreased production of thyroid hormones
What is the primary mechanism of regulation of thyroid hormones?
Negative feedback mechanism
What is the primary site of synthesis of hormones released by the posterior pituitary?
Hypothalamus
Learn about the principles of endocrine system, how hormones maintain homeostasis, and the role of endocrine glands in synthesizing and storing hormones.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
