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Steroid Hormone Mechanism of Action

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Questions and Answers

What is the primary function of Growth hormone in the human body?

Stimulation of growth during infancy and puberty (correct)
Production of thyroxin in the liver
Regulation of lactation
Signal to the kidney to conserve more water

Which of the following hormones is involved in childbirth and lactation?

Oxytocin (correct)
Antidiuretic hormone
Prolactin
Growth hormone

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

Regulation of thyroid hormone production
Stimulation of growth hormone release
Stimulation of prolactin release
Inhibition of growth hormone release (correct)

What is the primary mechanism of action of negative feedback systems?

Inhibition of hormone production when concentration is high (D) Signup and view all the answers

Which of the following hormones is involved in the regulation of water conservation in the kidney?

Antidiuretic hormone (C) Signup and view all the answers

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

Regulation of hormone production through negative feedback (B) Signup and view all the answers

Which of the following is an example of a positive feedback system?

Childbirth and lactation (A) Signup and view all the answers

What is the role of Prolactin inhibitor factor (PIF) in the hypothalamic-pituitary axis?

Inhibition of prolactin release (D) Signup and view all the answers

What is the relationship between the blood level of a hormone and its rate of synthesis and secretion?

Reciprocal relationship (C) Signup and view all the answers

What is the primary function of the hypothalamic-pituitary axis?

Regulation of hormone production (A) Signup and view all the answers