A&P 2; final exam III
_______ and _______ "bioactivate" thyroid hormone by removing a single "outer-ring" iodine atom.
D1 and D2 2.
_______ and the _______ regulate virtually all aspects of growth, development, and homeostasis
pituitary; hypothalamus 3.
_______ are a component of signal transduction cascades
secondary messengers 4.
_______ binds to specific call surface receptors that stimulate adenylate cyclase to produce cAMP
_______ control growth and development
_______ directly controls the secretion of calcitionin and parathyroid hormone via negative feedback loops that do not involve the pituitary gland
blood calcium level 7.
_______ have powerful effect even when present in very low concentrations
_______ hormones activate an integral membrance protein
_______ hormones are enclosed in vesicles that move down the axons and accumulate near at the axon terminals that are close to the posteroir pituitary's capillaries
hypothalamic hormones 10.
_______ hormones bind to and activate receptors within the cells
_______ hormones may start a mechanism of action involving cyclic AMP
_______ increases metabolic activity that is required to synthesize thyroglobulin and generate peroxide
_______ is a gas and a hormone
_______ is an important component of the follicular colloid
_______ is one of the hormones that is produced in the hypothalamus and has vesicular transport in the axons of the hypothalamohypophysial tract
_______ is the term for the constellation of defects resulting from untreated neonatal hypothyroidism.
_______ may have synthetic hormones bind to them
hormone receptors 18.
_______ stimulates both I- uptake and iodination of tyrosine residues on thyroglobulin
_______ stimulates contraction of the uterus and ejection (let-down) of milk from the breasts
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