Exam 11: Endocrine Glands: Secretion and Action of Hormones

The hypothalamus,anterior pituitary gland,and the various target glands control the functions of each other,so there is no "master gland."

Inhibition of G-proteins would cause an increase in hormone-induced intracellular Ca²⁺ concentrations.

Adenohypophyseal function is regulated by the hypothalamus.

Proteins that must bind to a nuclear receptor protein that aids in its activation are called

Steroid hormone receptors form a ____ on their DNA half-sites.

Prostaglandins are eicosanoids derived from the fatty acid

Which of the following statements about prostaglandins is true?

Most target organ control on the anterior pituitary gland is due to

Purported beneficial effects of melatonin include all of the following EXCEPT

Adrenocorticotropic hormone is synthesized in cells that had been part of th

The process of two steroid hormones binding to their nuclear receptors at two half-sites on DNA to initiate transcription is called

What hormone stimulates uterine contractions during labor and milk-ejection during lactation?

Thyroid hormone receptors form a ___ on their DNA half-sites.

Lipophilic hormones travel in the blood bonded to carrier proteins.

Pituitary dwarfism is caused by growth years hyposecretion of growth hormone.

____________ regulators mediate the function of the cells in which they are synthesized.

All protein-bound T₄ is released to enter the target cells.

Responsiveness of cells to hormones is determined by the presence or absence of specific hormone receptor proteins.

The adrenal cortex is NOT involved in

Prolactin injections may be used to induce labor.