Question

JD's blood test reveals high TSH and low T4. Which disease may JD have? A. Hashimotos...

JD's blood test reveals high TSH and low T4. Which disease may JD have?

A.

Hashimotos Thyroiditis
B.

A tumor causing hyposecretion of hormones from the thyroid gland
C.

A hyposecreting tumor of the anterior pituitary gland
D.

All of the above
E.

A and B only
Science   Anatomy-And-Physiology   
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Homework Answers

Answer #1

Answer

E) A and B only

Explanation

  • Since pituitary gland will normaly release TSH, if the level of TSH is low. A high TSH level would confirm that thyroid gland is responsible for the hypothyroidism and not pituitary gland responsible.Hence the option C) is problem related to pituitary galnd, which is wrong.
  • If the T4 is low and TSH is not elevated , the pituitary gland would be the cause of hypothyroidism.
  • Hashimotos thyroiditis is an autoimmune disorder, in which thyroid gland is gradually destroyed, causing decrease in the level of thyroid hormone.
  • There are some tumour on thyoid gland, which cause hyposecretion of thyroid hormone.
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