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Endocrine System Functions and Organs

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Questions and Answers

What is a characteristic of hormone synthesis in organs like the thyroid and adrenal glands?

They are designed to perform two distinct functions.

They have an intracellular reservoir for hormone storage.

They produce hormones in their final active form. (correct)

They require parenchymal cells of more than one organ.

Which of the following hormones is produced in specialized cells within an organ?

Testosterone

Progesterone

Calcitonin (correct)

TSH

What is a characteristic of hormone storage in steroid hormones and 1,25(OH)2-D3?

They are produced in specialized cells within organs.

They are produced in discrete organs only.

They are synthesized in their final active form. (correct)

They require an intracellular reservoir.

Which organs are responsible for producing 1,25(OH)2-D3?

Skin, liver, and kidneys Signup and view all the answers

What is a characteristic of organs like the ovaries and testes?

They are designed to perform two distinct but closely related functions. Signup and view all the answers

Which of the following hormones is produced in the adrenal gland?

Glucocorticoids Signup and view all the answers

What type of hormone is cortisol?

Stress hormone Signup and view all the answers

What is the role of liberins in the pituitary-hypothalamic axis?

Stimulating hormone synthesis Signup and view all the answers

What is the function of tropines in the hormone hierarchy?

Stimulating peripheral glands to synthesize glandular hormones Signup and view all the answers

What is the term for the domain on a receptor that binds to a hormone ligand?

Recognition domain Signup and view all the answers

What is the concentration range of hormones in extracellular fluid?

Micro- to picomolar range Signup and view all the answers

What is the result of a faulty recognition domain on a receptor?

No signal production Signup and view all the answers

What is the primary function of the endocrine system?

To supply hormones that travel through the blood Signup and view all the answers

Which part of the brain plays a central role in regulating hormone production and secretion?

Hypothalamus Signup and view all the answers

What is a characteristic of many hormones and neurotransmitters?

They resemble each other in their synthesis, transport, and mechanism of action Signup and view all the answers

Which of the following is NOT a regulatory role of hormones?

Regulation of the nervous system Signup and view all the answers

What happens to the physiological state of hormones during certain events such as fed, fasting, starving, exercise, and pregnancy?

It changes Signup and view all the answers

What is the purpose of biochemical measurement of hormones?

To determine whether the body is in a normal or abnormal state Signup and view all the answers