Follicular Cells & the Synthesis of Thyroid Hormones

Follicular Cells & the Synthesis of Thyroid Hormones

Assessment

Interactive Video

Science, Health Sciences, Chemistry, Biology

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video explains the synthesis and function of thyroid hormones, focusing on the role of follicular cells in the thyroid gland. It details the process of iodination, formation of T3 and T4 hormones, and their release into the bloodstream. The video also covers the conversion of T4 to the more active T3 form, and the inactivation and elimination of thyroid hormones through deiodination and glucuronidation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is the thyroid gland located in the body?

In the abdomen

In the chest

In the brain

In the throat

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of thyroid peroxidase in thyroid hormone synthesis?

It breaks down thyroglobulin

It activates iodide and attaches it to thyroglobulin

It transports iodide into the blood

It converts T4 to T3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the lumen in thyroid hormone synthesis?

It stores T3 and T4

It is where iodide is activated and attached to thyroglobulin

It converts T4 to T3

It is the site of hormone excretion

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are MIT and DIT in the context of thyroid hormone synthesis?

Iodinated tyrosine residues

Enzymes involved in hormone synthesis

Inactive forms of T3 and T4

Types of thyroid hormones

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the common name for Tetra Iodo thyronine?

Thyroxine

Thyroglobulin

Thyroid peroxidase

Triiodothyronine

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the leftover MIT and DIT that are not fully iodinated?

They are recycled for future iodination reactions

They are converted to T3 and T4

They are excreted as waste

They are stored in the thyroid gland

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to T3 and T4 after they are released into the bloodstream?

They are immediately excreted

They travel to tissues to exert their functions

They are converted into other hormones

They are stored in the liver

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