A patient has low levels of T3 and T4. You test for TSH and find it is elevated. You conclude that
A) Iodine deficiency is the cause of low T3 and T4 levels
B) End-organ unresponsiveness to TSH caused the low T3 and T4 levels
C) The patient has normal hypothalamic-pituitary function
D) The thyroid gland can’t concentrate iodine
E) The problem lies in organification of the thyroglobulin
Correct Answer:
Verified
Q1: Iodine enters follicular cells
A) By primary active
Q2: The main active form of thyroid hormone
Q4: W hich of the following is an
Q5: The main negative feedback on TSH secretion
Q6: The thyroid gland is located
A) In the
Q7: The mechanism of action of T3 is
Q8: Iodine used for thyroxine synthesis
A) Comes almost
Q9: In iodine deficiency
A) TSH increases due to
Q10: The thyroid follicle contains
A) Thyroglobulin
B) Thyroxine
C) Triiodothyronine
D)
Q11: You would m ost likely see a
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