Nada Medhat
Quiz by , created more than 1 year ago

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Nada Medhat
Created by Nada Medhat over 7 years ago
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thyroid gland

Question 1 of 5

1

In which of the following conditions is it most likely that the
TSH response to TRH will be reduced?

Select one of the following:

  • hypothyroidism due to tissue resistance to thyroid hormone

  • hypothyroidism due to disease destroying the thyroid gland

  • hyperthyroidism due to circulating antithyroid antibodies with TSH activity

  • hyperthyroidism due to diffuse hyperplasia of thyrotropes of
    the anterior pituitary

  • iodine deficiency

Explanation

Question 2 of 5

1

A young woman has puffy skin and a hoarse voice. Her plasma
TSH concentration is low but increases markedly when she is
given TRH. She probably has

Select one of the following:

  • hyperthyroidism due to a thyroid tumor

  • hypothyroidism due to a primary abnormality in the thyroid
    gland.

  • hypothyroidism due to a primary abnormality in the pituitary
    gland

  • hypothyroidism due to a primary abnormality in the hypothalamus

  • hyperthyroidism due to a primary abnormality in the hypothalamus

Explanation

Question 3 of 5

1

The metabolic rate is least affected by an increase in the plasma
level of

Select one of the following:

  • TSH

  • TRH

  • TBG

  • Free T4

  • Free T3

Explanation

Question 4 of 5

1

Which of the following is not essential for normal biosynthesis of
thyroid hormones?

Select one of the following:

  • iodine

  • ferritin

  • thyroglobulin

  • protein synthesis

  • TSH

Explanation

Question 5 of 5

1

Hypothyroidism due to disease of the thyroid gland is associated with increased
plasma levels of

Select one of the following:

  • Cholesterol

  • Albumin

  • RT 3

  • Iodide

  • TBG

Explanation

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