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
