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Path Block 2 > 17-thyroid > Flashcards

17-thyroid Flashcards

0
Q

What hormone is TSH similar to

A

HcG

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1
Q

What controls TSH

A

Free levels of T4

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2
Q

Most common cause of hyperthyroidism ?

A

Graves’ disease

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3
Q

Most common cause of hypothyroidism in us

A

Hashimotos

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4
Q

Most common benign thyroid tumors

A

Follicular adenomas

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5
Q

Most common malignant thyroid tumors

A

Papillary carcinomas

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6
Q

Binding protein for iron

A

Transferrin

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7
Q

Binding protein for copper

A

Cereuloplasmin

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8
Q

Binding protein for cortisol

A

Transcortin

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9
Q

Binding protein for calcium

A

Albumin

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10
Q

What stimulate thyroid follicular cells to make t4

A

TSH pinocytose thyroglobulin

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11
Q

Anabolic steroid to what to your tbg and free t4, liver cirrhosis

A

Decrease

Same

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12
Q

Estrogen does what to your tbg and free t4

A

Increase

Same

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13
Q

What is radioactive uptake for

A

To determine thyroid function if iodine is uptaken it not

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14
Q

Radioactive uptake scan is for what?

A

To know if nodules making t3 and t4

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15
Q

Cancers present as what kind of nodules

A

Cold

16
Q

How is TSH in cold nodules

A

Normal

17
Q

Why is there normal TSH in cold nodules ?

A

Rest of gland is working normal

18
Q

How do cyst present in radioactive uptake scan

A

Cold

19
Q

How do toxic footers present on uptake scan

A

Warm

20
Q

How do follicular adenomas present in uptake scan?

A

Warm

21
Q

Antibodies increased in Hashimotos

A

Anti Thyroglobulin ab
Anti Thyroid peroxidase ab
TSH receptor inhibiting ab
Microsomal ab

22
Q

Antibodies in graves

A

Thyroid stimulating inmunoglobulins -tsi

TSH receptor stimulating antibodies

23
Q

In Hashimotos the lymphocytes that form lymphoid follicles can become malignant and lead to what cancer

A

Marginal zone B cell lymphoma

Path Block 2 (19 decks)

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