Exam 17: Functional Organization of the Endocrine System

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Thyroid hormones (TH) normally travel in the blood both free and bound to TH-binding proteins. What would you expect to see in the blood work of a patient who had a deficiency of TH-binding protein?

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Match the description with the type of receptor model. -G-protein

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Which pattern of hormone secretion, often observed in steroid reproductive hormones, will fluctuate over a monthly cycle?

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Members of which group of hormones are made from cholesterol?

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Once a lipid-soluble hormone is conjugated in the liver

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Which of the following statements is NOT true?

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The release of chemicals from an endocrine or exocrine gland is referred to as ______.

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Most hormones are regulated by

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Hormones are intercellular chemical signals that

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The endocrine system

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Match the chemical signal with the appropriate description. -autocrine

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Up-regulation

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Which pattern of hormone secretion, represented by epinephrine, can have dramatic changes in its concentration and circulating levels?

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The length of time needed to eliminate half of a dose of a hormone is called its _______ ________.

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Match the chemical signal with the appropriate description. -endocrine

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Secretion of the hormones ___________ and ____________ exemplify the pattern of chronic hormone secretion.

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Match the description with the type of receptor model. -intracellular mediator

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Sympathetic neurons can serve as ______ stimuli for hormone release from certain endocrine organs.

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Arrange the following events in proper sequence: (1) The activating hormone interacts with a membrane-bound receptor. (2) Cyclic AMP causes the cell to carry out a function characteristic for that specific hormone. (3) Adenylyl cyclase catalyzes the transformation of ATP to cyclic AMP. (4) Adenylyl cyclase is activated.

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Match the description with the type of receptor model. -generally observe a latent period

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