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Hormone Production, Transport and Metabolism

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Hormone Production, Transport and Metabolism

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Questions and Answers

Which of the following best describes the main function of hormones in the endocrine system?

Removing waste products from the blood

Regulating cellular activities in target cells (correct)

Generating energy for the body

Transporting nutrients to the intestines

In terms of secretion, how do endocrine glands differ from exocrine glands?

Exocrine glands secrete hormones into the blood

Exocrine glands secrete products into ducts or outside the body

Endocrine glands secrete hormones into ducts (correct)

Endocrine glands secrete products outside the body

Which of the following is NOT a major structural class of hormones?

Steroids

Carbohydrates (correct)

Peptides and proteins

Amines

What is the main function of the amine hormones in the endocrine system?

Influence metabolism and physiological activities Signup and view all the answers

Which of the following is NOT a predominant steroid hormone produced by the adrenal cortex?

Testosterone Signup and view all the answers

What is the primary source from which steroid hormones are produced?

Cholesterol Signup and view all the answers

Which hormones circulate mainly bound to plasma proteins?

Steroid hormones Signup and view all the answers

What is the main role of the liver and kidneys in relation to hormones?

Removal of hormones from the plasma Signup and view all the answers

Where are the majority of receptors for steroid and thyroid hormones located?

Inside the target cells Signup and view all the answers

What is permissiveness in hormone-hormone interaction?

One hormone enables another hormone to exert its full effect Signup and view all the answers

How do receptors activated by peptide hormones and catecholamines function?

By altering membrane potential or protein activity in the cell Signup and view all the answers

What controls the secretion of a hormone?

A combination of plasma concentration, neural input, and one or more hormones Signup and view all the answers

How does the autonomic nervous system control the secretion of many hormones?

By directly terminating on cell endings Signup and view all the answers