Exam 5: Principals of Endocrinology; The Central Endocrine Glands

Indicate which of the features apply to the posterior and anterior pituitary by using the answer code (options may be used more than once or not at all). -releases hormones into the general circulation

Which class of hormones triggers the synthesis of new intracellular proteins within the target cell?

____________________ are hormones derived from cholesterol.

Plasma concentrations of a hormone are normally regulated by changes in secretion rate.

Hormone activity is rapid compared to the effects of the nervous system.

Cholesterol is a common precursor for polypeptide hormones.

Tropic hormones target only other glands.

Which gland produces melatonin?

Indicate which hormone is responsible for each action by using the answer code (options may be used more than once or not at all). -stimulates both estrogen and progesterone secretion

Osteoclasts are cells that make new bone cells.

The pituitary gland produces melatonin.

What is NOT a characteristic of the hormone oxytocin?

Which hormone is released from the hypothalamus?

The role of MSH in humans is well understood.

Which statement concerning melanocyte-stimulating hormones is correct?

Which statement concerning hormones is correct?

Lipophilic (hydrophobic)hormones circulate in the blood largely bound to plasma proteins.

Hydrophilic hormones exert their effects primarily by activating second-messenger systems within their target cells.

Which statement concerning hormones is INCORRECT?

A single endocrine gland may produce many hormones.