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[h] Endocrinology Flashcards

[i] Master this session in just 5 minutes.

[q] The normal thyroid gland takes up iodine against a concentration gradient using a sodium iodine symporter (NIS) in an energy-dependent process, called ……….?

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[Qq]

[q] After dietary, inorganic iodine enters the thyroid follicular cells, it is oxidized to organic iodide by the enzyme ………?

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[q] ………… is responsible for the oxidation of inorganic iodine, the formation of mono and diiodotyrosine (organification), and the coupling that forms T3 and T4?

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[q] More than 99% of circulating thyroid hormones are bound to plasma proteins. The main protein responsible for binding circulating thyroid hormone is ………….?

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[q] TBG ↓ in ……….. and ………….. and ↑ TBG in …………..and …………?

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[q] Most patients with hypothyroidism after starting oral estrogen (estrogen replacement therapy or oral contraceptives) require ……………?

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[q] ………… is the thyroid hormone that is produced in the greatest quantity by the thyroid gland?

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[q]  ………… is the most active thyroid hormone form because it binds with 10 times more affinity to thyroid receptors?

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[q] ……….. is an inactive form of thyroid hormone?

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[q] In patient who is taking T3 as a thyroid replacement, what is the effect of this on the following: TSH, T4, rT3?

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[q] Cold intolerance, decrease of sweating, weight gain, Dry, cool skin, brittle hair, diffuse alopecia, brittle nails, puffy facies, Constipation, fatigue, weakness, depressed mood, and decrease of deep tendon reflexes reflexes are characteristic for (Hyperthyroidism or Hypothyroidism)?

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[q] Heat intolerance, increase of sweating, weight loss, Warm, moist skin, fine hair, diarrhea, restlessness, anxiety, insomnia,
fine tremors, Tachycardia, and palpitations are characteristic for (Hyperthyroidism or Hypothyroidism)?

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[q] ……….. level is the single most important screening test in diagnosing thyroid disorders.

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[q] ……………. is the most common supraventricular arrhythmia and is a frequent complication of thyrotoxicosis?

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[Qq]

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