Lec 3-6 - Thyroid

Question 1

hormone that enables other hormones to work normally

Answer 1

permissive hormone

Question 2

cells in the thyroid that actually make thyroid hormone

Answer 2

follicular cells

Question 3

where thyroid stores thyroid hormone

Answer 3

colloid inside thyroid itself

Question 4

t4 is aka

Answer 4

thyroxine

Question 5

t4 is the blank

Answer 5

prohormone

Question 6

t3 actually blank

Answer 6

does the most activity

Question 7

t3 is aka

Answer 7

triidothyronine

Question 8

enzyme required to put iodine on to thyroglobulin to make t3 and t4

Answer 8

thyroid peroxidase

Question 9

steps in making t3 and t4

Answer 9

iodine comes into follicular cell, thyroid peroxidase puts iodine on thyroglobulin and stores in colloid, long chain goes back into follicular cell and is snipped into t1,t2,t3,t4; we use the t3 and t4 and recycle t1 and t2

Question 10

not enough iodine causes blank

Answer 10

no negative feedback so amount of thyroid stimulating hormone in colloid increases and thyroid gets huge because t3 and t4 doesnt get released from the colloid

Question 11

does t3 or t4 actually do the negative feedback on thyrotrophs

Answer 11

t3

Question 12

transport of thyroid hormone is via

Answer 12

thyroxine binding globulin, albumin (main one)

Question 13

thyroid hormone causes growth of blank by setting the stage for other hormones

Answer 13

skeletal system, teeth, central nervous system

Question 14

thyroid hormone causes increased metabolism by using more blank by breaking down more lipids and proteins

Answer 14

oxygen

Question 15

therefore, hyperthyroidism causes blank which leads to feeling blank all the time and blank heart rate

Answer 15

catabolism, hot, increased

Question 16

hyperthyroidism is aka blank

Answer 16

grave’s disease

Question 17

hypothyroidism is aka blank

Answer 17

hashimoto’s disease