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Ch. 16 The Endocrine System
Chapter 16, Problem 16.20a

Match the following hormones with their correct descriptions.      


_____Leptin      
_____Atrial natriuretic peptide      
_____Melatonin      
_____Estrogens      
_____Erythropoietin      
_____Testosterone


a. Produced by the pineal gland; regulates the sleep/wake cycle
b. Produced by the kidneys; regulates red blood cell production
c. Produced by the heart; promotes sodium ion loss in the kidneys and vasodilation
d. Produced by the testes; promotes androgenic and anabolic actions
e. Produced by adipose tissue; promotes satiety
f. Produced by the ovaries; regulate the menstrual cycle and the development of secondary sex characteristics

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1
Identify the hormone Leptin and match it with its description: Leptin is produced by adipose tissue and promotes satiety. Therefore, match Leptin with description (e).
Identify the hormone Atrial natriuretic peptide and match it with its description: Atrial natriuretic peptide is produced by the heart and promotes sodium ion loss in the kidneys and vasodilation. Therefore, match it with description (c).
Identify the hormone Melatonin and match it with its description: Melatonin is produced by the pineal gland and regulates the sleep/wake cycle. Therefore, match it with description (a).
Identify the hormone Estrogens and match it with its description: Estrogens are produced by the ovaries and regulate the menstrual cycle and the development of secondary sex characteristics. Therefore, match it with description (f).
Identify the hormone Erythropoietin and match it with its description: Erythropoietin is produced by the kidneys and regulates red blood cell production. Therefore, match it with description (b).

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Hormonal Functions

Hormones are chemical messengers produced by glands in the endocrine system that regulate various physiological processes in the body. Each hormone has specific functions, such as regulating metabolism, growth, reproduction, and mood. Understanding the role of each hormone is crucial for matching them with their descriptions.
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Source of Hormones

Different hormones are produced by specific organs or tissues in the body. For example, leptin is produced by adipose (fat) tissue, while erythropoietin is produced by the kidneys. Knowing the source of each hormone helps in identifying their functions and effects on the body.
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Physiological Effects

Hormones exert their effects by binding to specific receptors on target cells, leading to various physiological responses. For instance, melatonin influences sleep patterns, while atrial natriuretic peptide affects blood pressure and fluid balance. Understanding these effects is essential for accurately matching hormones to their descriptions.
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Related Practice
Textbook Question

Explain how insulin and glucagon are antagonists.

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Textbook Question

Type 1 diabetes mellitus is characterized by______ , and type 2 diabetes mellitus is characterized by_____.


a. hypoglycemia; destruction of the pancreatic β cells

b. destruction of the pancreatic β cells; destruction of the pancreatic α cells

c. insulin resistance; destruction of the pancreatic β cells

d. destruction of the pancreatic β cells; insulin resistance

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Textbook Question

Which of the following is not a potential effect that a hormone could have on its target cell?


a. Activating genes in the DNA

b. Stimulating cellular division

c. Altering the permeability of the plasma membrane

d. All of the above are potential effects of a hormone on its target cell.

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Textbook Question

Females with hormone-secreting tumors of the adrenal cortex occasionally develop male secondary sex characteristics. Explain why this may happen.

283
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Textbook Question

A new diet guru claims hypersecretion of cortisol is the reason why so many people are obese. He is marketing a dietary supplement that is supposedly able to block cortisol secretion and lead to weight loss. How would cortisol hypersecretion cause weight gain? Would blocking normal cortisol secretion lead to weight loss? Why or why not?

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.



a. Both ADH and aldosterone increase the amount of water in the body and decrease the solute concentration of the blood.

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