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Which best describes the relative speed of onset for the effects of the endocrine system relative to that of the nervous system?
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Endocrine effects occur more slowly than nervous effects.
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What best describe endocrine glands?
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Ductless, Produce hormones, and composed of follicles
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Hormones produced by endocrine cells are usually distributed throughout the body in the....?
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Bloodstream
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WHich of the following are endocrine glands?
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Pituitary gland, thyroid gland, and suprarenal gland
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Which ONE of the following describes the actions of hormones that act locally rather than at a distance from the site of release?
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Paracrine
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Which of the following hormones are soluble in water?
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Antidiuretic hormone, epinephrine, insulin, oxytocin
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Receptors for water-soluble hormones are found on their target cells in which ONE of the following regions?
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Plasma membrane
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A lipid hormone upon binding to its receptor, forms a hormone-receptor complex that acts like what?
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Transcription factor
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What best describes hormones that produce an action greater when acting together than either would on their own?
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Synergistic
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Which veins drains the neurohypophysis?
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Posterior hypophyseal vein
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Which hormones belong with their target organs?
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TSH= thyroid gland, PRL= mammary glands, hGH= bones and muscles, LH= ovaries and testes, MSH: skin and brain
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Put the following hormones in the correct sequence of secretion.
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1. Corticotropin-releasing hormone
2. adrenocorticotropic hormone 3. cortisol |
Which of the following hormones are secreted by the cells of the thyroid gland?
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Thyroxine, Triiodothyronine, calcitonin
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Another term for colloid, a protein-rich material found in thyroid follicles that serves as a hormone precursor for T3 and T4, is...?
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Thyroglobulin
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The numbers '3' nad '4' associated with the thyroid hormones T3 and T4, refer to which ONE of the following?
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The number of iodine atoms in each of the hormones
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