HLSC 2463U Study Guide - Final Guide: Posterior Pituitary, Anterior Pituitary, Nerve Tract

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4 May 2018

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Altered Physiology II

Chapter 18- Mechanisms of Hormonal Regulation

Study Guide

Circle the Correct Words

Circle the correct word from the choices provided to complete these sentences.

1. The hypothalamus is connected to the posterior pituitary by (portal blood vessels, a nerve

tract) and to the anterior pituitary by (portal blood vessels, a nerve tract).

2. Water-soluble hormones generally have a (short, long) half-life and circulate in

(bound,free) forms.

3. Low hormone concentrations usually cause cells to (down-regulate, up-regulate)

receptors for that hormone, which (increases, decreases) cellular sensitivity to that

hormone.

4. Water- soluble hormones bind with (cell membrane, intracellular) receptors.

5. Hormone receptors are (proteins, steroid, either proteins or steroids).

6. (GH,ACTH) is an example of a somatotropin hormone.

7. (water, Lipid)- soluble hormones alter gene expression when the hormone-receptor

complex binds to the sites on (RNA,DNA) in the (nucleus, ribosomes).

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