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Steroid hormones influence cellular activities by __________.
binding to DNA and forming a gene-hormone complex
Sympathetic nerve stimuli are responsible for the release of __________.
epinephrine
The metabolic rate of most body tissues is controlled directly by __________.
thyroid hormone (TH)
The stimulus for secreting parathyroid hormone is a good example of a __________.
humoral stimulus
The stimulus for producing insulin is __________.
high blood glucose concentration
The transcription of new messenger RNA is a function of __________.
steroid hormones
What element is required for the synthesis of thyroid hormone?
iodine
The hypophyseal portal system transports releasing and inhibiting hormones from the hypothalamus to the __________.
anterior pituitary gland (adenohypophysis)
Eicosanoids are NOT true hormones because they __________.
act locally
Which hormone is NOT being synthesized if a goiter forms?
thyroid hormone (TH)
Polydipsia is excessive __________ associated with diabetes mellitus.
thirst
The normal endocrine controls can be directly overridden by the __________ system.
nervous
Atrial natriuretic peptide is a hormone that is secreted by the __________ and targets the kidneys and adrenal cortex.
heart
Atrial natriuretic peptide is a hormone that is secreted by the __________ and targets the kidneys and adrenal cortex.
heart
Which organ is NOT a major endocrine organ but produces hormones in addition to its major excretory function?
kidneys
Endocrinology involves the study of the endocrine organs and __________.
hormones
