Chapter 31

___________ are signaling molecules that travel through the blood to target cells. a. Hormones b. Neurotransmitters c. Local signaling molecules d. all of the above

Antidiuretic hormone is produced in the hypothalamus but distributed from the ____________. a. anterior pituitary b. posterior pituitary c. kidney d. pineal gland

Overproduction of __________ causes gigantism. a. growth hormone b. cortisol c. insulin d. melatonin

Steroid hormones are synthesized from _____________. a. amines b. peptides c. proteins d. cholesterol

The pituitary detects a rising hormone concentration in blood and inhibits the gland secreting the hormone. This is a _______ feedback loop.

The ___________ has endocrine and exocrine functions. a. hypothalamus b. pancreas c. pineal gland d. parathyroid gland

Secretion of _________ stimulates breakdown of bone. a. glucagon b. melatonin c. thyroid hormone d. parathyroid hormone

During stressful times, the adrenal glands increase their secretion of ___________. a. iodine b. antidiuretic hormone c. cortisol d. secretin

The male sex hormone testosterone is secreted in response to a hormone secreted by the ____________. a. testes b. ovaries c. pituitary gland d. pancreas

The _____________ shrinks in size after puberty. a. pancreas b. pituitary c. pineal gland d. thymus

True or false? The steroid hormone ecdysone is made by insects, crabs, and most vertebrates.

People who have type 1 diabetes cannot make _____________ and must inject it.

Match the term with its most suitable description. __________ adrenal medulla __________ thyroid gland __________ parathyroid glands __________ pancreatic islets __________ pineal gland __________ prostaglandin a. affected by day length b. potent local effects c. raise(s) blood calcium level d. source of epinephrine e. secrete(s) insulin, glucagon f. hormones require iodine