Most of the secreted T₄ is
A) phagocytized by target tissues
B) converted into T3 after being peripherally stripped of one of its iodine atoms
C) able to function as the biologically active form of thyroid hormone at the cellular level
D) split to form two DIT molecules, which are excreted in the urine
E) able to exert its full biological effect as a result of epinephrine's permissive actions
Correct Answer:
Verified
Q1: Which statement is incorrect?
A)The "iodide pump" of
Q2: The "iodide pump" refers to the
A)mechanism whereby
Q3: _ would not decrease thyroid hormone production.
A)A
Q5: Thyroid hormones
A)regulate basal metabolic rate
B)are released from
Q6: Thyroid hormone does not
A)increase metabolic rate
B)increase tissue
Q7: TSH
A)secretion is stimulated by thyrotropin-releasing hormone (TRH)
B)secretion
Q8: During thyroid hormone secretion,
A)the follicular cells phagocytize
Q9: Thyroid-stimulating immunoglobulin is
A)able to stimulate production of
Q10: Thyroid hormone causes
A)the pituitary to release less
Q11: Thyroid hormones are
A)derivatives of an amino acid
B)produced
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