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_________, signaling molecules released by endocrine cells and glands, enter the blood and are distributed through the body. a. Hormones b. Neurotransmitters c. Endocrine disruptors d. all of the above

Antidiuretic hormone and oxytocin are hormones produced in the hypothalamus but released from the ________. a. anterior lobe of pituitary b. posterior lobe of pituitary c. pancreas d. pineal gland

Protein hormones typically bind to receptors _________. a. in the DNA b. in the cytoplasm c. at the plasma membrane d. both a and c

Match each pituitary hormone with its target. $$ \text {________antidiuretic hormone} \quad \quad\quad\quad\quad \text {a. gonads (ovaries, testes)} $$ $$ \text {________oxytocin} \quad \quad\quad\quad\quad \text {b. mammary glands, uterus} $$ $$ \text {________luteinizing hormone\(\space\)theory} \quad \quad\quad\quad\quad \text {c. kidneys} $$ $$ \text {________growth hormone} \quad \quad\quad\quad\quad \text {d. most body cells} $$

The _______ regulate(s) calcium levels in the blood. a. hypothalamus b. pancreas c. pineal gland d. parathyroid glands

_______ lowers blood sugar levels;________ raises it. a. Glucagon; insulin b. Insulin; glucagon c. Melatonin; insulin d. Cortisol; glucagon

A rise in hormone concentration in the blood slows production of that hormone in a _______ feedback loop. a. positive b. negative

The _______ produces digestive enzymes and hormones. a. hypothalamus b. pancreas c. pineal gland d. parathyroid gland

A diet lacking in iodine can cause _______. a. rickets b. a goiter c. diabetes d. gigantism

True or false? Only women make follicle-stimulating hormone and luteinizing hormone.