Thyroid Hormones (TH) Releasing in Response to Stimulation by TSH

question 29

Multiple Choice

Thyroid hormones (TH) releasing in response to stimulation by TSH is an example of what control method?

• A) A hormone stimulates the release of another hormone.
• B) The nervous system stimulates a gland directly.
• C) Changing plasma levels of a substance stimulate a gland directly.

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Definitions:

Melena

The passage of dark, tarry stools, containing digested blood, indicative of gastrointestinal bleeding.

Eructation

The act of belching or burping, releasing gas from the digestive tract through the mouth.

Cholangiography

A diagnostic imaging test used to visualize the bile ducts to identify obstructions, infections, stones, or cancers.

Colonoscopy

A medical procedure that uses a long, flexible tube with a camera on the end to examine the interior of the colon and rectum.