thyroid gland

Question 1

what happens when TSH acts upon the thyroid gland

Answer 1

production of T3 and T4, transported through bloodstream by thyroxine binding globulins

Question 2

what can happen if TH is too high

Answer 2

can feedback to hypothalamus to inhibit the release of more TRH

Question 3

effects of TH on bone and muscle

Answer 3

promotes normal bone growth and maturation
promotes normal muscle development and function

Question 4

TH effect on normal body cells

Answer 4

inc basal metabolic rate by increasing sodium-potassium ATPase
lipolysis
glycolysis
gluconeogenesis
helps LDL uptake (bad cholesterol, lower actual cholesterol)

Question 5

TH effect on the heart and brain

Answer 5

promotes normal cardiac output
promotes normal nerve development, inc synapses, myelination, dendrites