Chapter 13

A hormone is defined as a ______ and the target cell is defined as______.

* Substance that has a metabolic effect on another cell * a cell that possesses specific receptors for hormone molecules

Steroid Hormones

- Are Soluble in lipids - Combine w/ proteins receptor molecules - Act by causing the synthesis of messenger RNA molecules

Treatment of non insulin-dependent diabetes mellitus usually involves

- Controlling the diet - Exercising regularly - Maintaining desirable body weight

Growth Hormone

- Enhances the movement of amino acids into cells - Increases the rate of protein synthesis - Increases the rate of Fat motabolism

Insulin- Dependent diabetes mellitus is caused by

A disorder of the immune system

Target cells for releasing hormones are in the ?

Anterior Pituitary Gland

The hormone that causes calcium to be deposited in bone...

Calcitonin

Cancer patients often develop endocrine disorders because

Cancer cells sometimes secrete hormones inapporpriately

Aldosterone promotes the homeostasis of ions by causing the kidneys to......

Convert Sodium and Excrete Potassium

The pancreas functions as part of the endocrine system and as part of the _________ system.

Digestive

Thyroxin functions to

Enhances the rate at which proteins at which proteins are synthesized

T or F--- Oxycontin acts primarily on the kidneys and causes them to conserve water

False

________ Exerts its effect primarily upon the reproductive organs.

Follicle- Stimulating Hormone

Where are the hormones secreted by the posterior Pituitary made?

In the Hypothalamus

Beverage alcohol causes an increase in urine production by...

Inhibiting the secretion of ADH

Simple goiter is most likely to affect people who live in regions where the soil lacks ?

Iodine

The thyroid gland has a specific ability to remove _______ from the blood.

Iodine

Anti-diuretic Hormone

Is secreted by nerve fibers in the posterior lobe of the pituitary gland.

Adrenal Medulla

Is the Central portion of the Adrenal Gland

Hormone concentrations are controlled by

Negative Feedback Mechanisms

All Hormones are ?

Organic Compounds

_______ has both Endocrine and Exocrine functions?

Pacreas

The blood concentration of growth hormone

Rises at puberty and levels off after adolescence

Prolactin requires a releasing hormone from....?

The Hypothalamus for its secretion

Triiodothyronine is a hormone secreted by the...

Thyroid Gland

T or F --- releasing hormones are substances whose target cells are in the Anterior Pituitary Gland

True

Oxycontin is sometimes administered to women following childbirth to stimulate..

Uterine Contractions