NR 565 Certification Exam Questions and CORRECT Answers
Hypothyroidism - underproduction of the hormone thyroxine (T4) (yellow) Too little thyroxine=slower metabolism fatigue, depressed mood, slow heart rate, constipation, weight gain, and irregular menstrual periods. MC in 60 women Hyperthyroidism - overproduction of thyroid hormones: triiodothyronine (T3) (green), and thyroxine (T4) (yellow) What active hormones are produced by the thyroid? - triiodothyronine (T3) and thyroxine (T4, tetraiodothyronine) 4 steps to synthesis of thyroid hormoness - 1. Uptake 2. Activation (Oxidation by peroxidase) 3. Iodination of Tyrosine 4. Coupling of Iodinated Tyrosine
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