Endorcrinology Part 2 Flashcards

1
Q

a bilobed organ responsible in increasing the basal metabolic rate

A

Glands

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2
Q

the fundamental structural and functional unit of the thyroid gland

A

Thyroid follicles

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3
Q

the proteinaceous fluid in the lumen bounded by the thyroid follicles

A

Colloid

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4
Q

the hypocalcemic hormone produced by the thyroid gland

A

Calcitonin

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5
Q

regarded as the prohormone of thyroid hormones T3 and T4

A

Thyroglobulin

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6
Q

the amino acid precursor of thyroid hormones T3 and T4

A

Tyrosine

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7
Q

the inactive type of triiodothyronine

A

Reverse t3

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8
Q

the reference range of T3 in the plasma

A

1.23-3 nM) 80- 200 ng/dl

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9
Q

the reference range of T4 in the plasma

A

72-163 nM) 5.5 - 12.5 ug/dl

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10
Q

the enzymes responsible in the peripheral conversion of T4 to T3

A

deiodinases

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11
Q

another name for 3,5,3’,5’-tetraiodothyronine another name for 3,5,3’,5’-tetraiodothyronine

A

t4 or thyroxine

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12
Q

the normal T4 to T3 ratio

A

10:1

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13
Q

the state characterized by normal blood thyroid hormone levels

A

Euthyroid

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14
Q

the hypothalamic hormone that regulates thyroid hormone synthesis

A

TRH / Thyrotropin releasing hormone

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15
Q

the type of feedback exhibited by the thyroid gland to the pituitary

A

Negative feedback

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