314 SECTION IVEndocrine & Reproductive Physiology
- Which of the following would be least affected by injections
of TSH?
A) thyroidal uptake of iodine
B) synthesis of thyroglobulin
C) cyclic adenosine monophosphate (AMP) in thyroid cells
D) cyclic guanosine monophosphate (GMP) in thyroid cells
E) size of the thyroid - Hypothyroidism due to disease of the thyroid gland is associated
with increased plasma levels of
A) cholesterol.
B) albumin.
C) RT 3.
D) iodide.
E) TBG. - Thyroid hormone receptors bind to DNA in which of the follow-
ing forms?
A) a heterodimer with the prolactin receptor
B) a heterodimer with the growth hormone receptor
C) a heterodimer with the retinoid X receptor
D) a heterodimer with the insulin receptor
E) a heterodimer with the progesterone receptor
9. Increasing intracellular I– due to the action of NIS is an
example of
A) endocytosis.
B) passive diffusion.
C) Na+ and K+ cotransport.
D) primary active transport.
E) secondary active transport.
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Glaser B: Pendred syndrome. Pediatr Endocrinol Rev 2003;1(Suppl
2):199.
Peeters RP, van der Deure WM, Visser TJ: Genetic variation in
thyroid hormone pathway genes: Polymorphisms in the TSH
receptor and the iodothyronine deiodinases. Eur J Endocrinol
2006;155:655.