Thyroid RQ

Question 1

thyrotoxicosis

Answer 1

excess circulating T3/T4 in the bloodstream

Question 2

thyroiditis

Answer 2

inflammation of thyroid

Question 3

clinical signs thyrotoxicosis

Answer 3

anxiety, fatigue, irritability, sweating, increased appetite, weight loss

Question 4

goitre

Answer 4

enlargement of thyroid gland in the neck

Question 5

T3

Answer 5

triiodothyronine
has 3 iodine molecules and metabolically inactive

Question 6

T4

Answer 6

thyroxine, has four iodine molecules and secreted in larger quantities than T3

Question 7

thyrotropin

Answer 7

TSH, produced by pituitary
stimulates thyroid gland to produce T3 and T4

Question 8

TPO

Answer 8

thyroperoxidase is enzyme that is made by thyroid
TPO and iodine is used to generate thyroid hormones

Question 9

AST

Answer 9

acute supportive thyroiditis
due to direct spreading of infection to thyroid from pyriform sinus fistulae

Question 10

thyroglobulin

Answer 10

protein precursor to thyroid hormone
synthesis of TG occurs in thyroid gland via iodination and coupling pairs of tyrosines