18 Questions
What is a characteristic of hormone synthesis in organs like the thyroid and adrenal glands?
They produce hormones in their final active form.
Which of the following hormones is produced in specialized cells within an organ?
Calcitonin
What is a characteristic of hormone storage in steroid hormones and 1,25(OH)2-D3?
They are synthesized in their final active form.
Which organs are responsible for producing 1,25(OH)2-D3?
Skin, liver, and kidneys
What is a characteristic of organs like the ovaries and testes?
They are designed to perform two distinct but closely related functions.
Which of the following hormones is produced in the adrenal gland?
Glucocorticoids
What type of hormone is cortisol?
Stress hormone
What is the role of liberins in the pituitary-hypothalamic axis?
Stimulating hormone synthesis
What is the function of tropines in the hormone hierarchy?
Stimulating peripheral glands to synthesize glandular hormones
What is the term for the domain on a receptor that binds to a hormone ligand?
Recognition domain
What is the concentration range of hormones in extracellular fluid?
Micro- to picomolar range
What is the result of a faulty recognition domain on a receptor?
No signal production
What is the primary function of the endocrine system?
To supply hormones that travel through the blood
Which part of the brain plays a central role in regulating hormone production and secretion?
Hypothalamus
What is a characteristic of many hormones and neurotransmitters?
They resemble each other in their synthesis, transport, and mechanism of action
Which of the following is NOT a regulatory role of hormones?
Regulation of the nervous system
What happens to the physiological state of hormones during certain events such as fed, fasting, starving, exercise, and pregnancy?
It changes
What is the purpose of biochemical measurement of hormones?
To determine whether the body is in a normal or abnormal state
Test your knowledge of the endocrine system, including the functions and diversity of different organs involved in hormone synthesis, such as the thyroid, adrenal, pituitary, ovaries, and testes. Learn about the distinct roles of each organ and their impact on the body.
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