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Exam- Endocrine Disorders I (N5315 Mod 8 Exam4) Test with Solutions
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Exam- Endocrine Disorders I (N5315 Mod 8 Exam4) Test with Solutions
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Exam- Endocrine Disorders I (N5315 Mod 8 Exam4) Testwith Solutions
Thyroid Stimulating Hormone (TSH) Correct--secreted by pituitary gland
-regulates thyroid hormone secretion
T3 and T4 Correct--both released by thyroid gland
-transported by albumin or thyroxine-binding globulin (TBG) in blood
-stored as thyroglobulin (TG) to last 2-3 months
Functions of T3 and T4 Correct--increase metabolism
-maintenance of muscle tone
-skeletal muscle maturation
-antagonizes insulin
-regulates cellular metabolism
-heat production
-maintain cardiac output, contraction, and rate
-maintain GI secretions
-assist Calcium mobility
, Exam- Endocrine Disorders I (N5315 Mod 8 Exam4) Test
with Solutions
-stimulate lipid metabolism, free fatty acid release, and cholesterol synthesis
T4 (Thyroxine) Correct--90% of the hormone released from thyroid
-less potent
-longer lived
-almost all converted inside cell to T3 before entering nucleus
T3 (Triiodothyronine) Correct--10% of the hormone released from thyroid
-more potent
-short-lived
-present in smaller amounts
Iodine Correct--used to make thyroxine
-takes appx 1 mg per week
-iodides trapped by thyroid gland
-uptake regulated by TSH
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