The "iodide pump" refers to the
A) mechanism whereby target cells extract iodine-containing thyroid hormone from the blood
B) active transport mechanism that concentrates iodide ions in the thyroid
C) mechanism whereby T3 and T4 are released from thyroglobulin and pumped into the circulation
D) protein binding process whereby T3 and T4 are pumped throughout the body bound to plasma proteins
E) mechanism whereby ingested iodine is absorbed by the small intestine
Correct Answer:
Verified
Q1: Which statement is incorrect?
A)The "iodide pump" of
Q3: _ would not decrease thyroid hormone production.
A)A
Q4: Most of the secreted T₄ is
A)phagocytized by
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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