Pituitary Gland and Its Hormones
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Questions and Answers

Which hormone is responsible for the production of melanin by stimulating melanocytes?

  • Melanocyte-Stimulating Hormone (MSH) (correct)
  • Luteinizing Hormone (LH)
  • Prolactin
  • Follicle-Stimulating Hormone (FSH)
  • Which hormone acts on the ovaries in females to produce estrogen, progesterone, and inhibin?

  • Melanocyte-Stimulating Hormone (MSH)
  • Follicle-Stimulating Hormone (FSH)
  • Oxytocin
  • Luteinizing Hormone (LH) (correct)
  • Which hormone is responsible for the contraction of the female uterine smooth muscle?

  • Growth Hormone Releasing Hormone (GHRH)
  • Prolactin
  • Oxytocin (correct)
  • Antidiuretic Hormone (ADH)
  • What hormones are exclusively produced in the posterior pituitary?

    <p>Oxytocin and Antidiuretic Hormone (ADH)</p> Signup and view all the answers

    Which hormone goes to the testes of males and stimulates the production of inhibin and testosterone?

    <p>Follicle-Stimulating Hormone (FSH)</p> Signup and view all the answers

    What is the main role of Antidiuretic Hormone (ADH) in males?

    <p>Control of water balance via kidneys</p> Signup and view all the answers

    Which hormone is primarily responsible for triggering uterine contractions during childbirth and milk ejection in lactating women?

    <p>Oxytocin</p> Signup and view all the answers

    What is the primary function of antidiuretic hormone (ADH), also known as vasopressin?

    <p>Regulating water reabsorption in the kidneys</p> Signup and view all the answers

    Which part of the pituitary gland is responsible for releasing oxytocin and antidiuretic hormone (ADH)?

    <p>Posterior pituitary (neurohypophysis)</p> Signup and view all the answers

    Which statement about oxytocin is NOT true?

    <p>It regulates water reabsorption in the kidneys.</p> Signup and view all the answers

    Which hormone is primarily responsible for regulating the production of androgens in males and estrogens and progesterone in females?

    <p>Luteinizing hormone (LH)</p> Signup and view all the answers

    Which statement best describes the relationship between the hypothalamus and the posterior pituitary gland?

    <p>The posterior pituitary gland contains axons of hypothalamic neurons that release oxytocin and ADH.</p> Signup and view all the answers

    Which hormone is released by the hypothalamus and stimulates the anterior pituitary to secrete adrenocorticotropic hormone (ACTH)?

    <p>Corticotropin-releasing hormone (CRH)</p> Signup and view all the answers

    Which hormone is released by the posterior pituitary and plays a role in the regulation of water balance and blood pressure?

    <p>Antidiuretic hormone (ADH)</p> Signup and view all the answers

    Which hormone is released by the posterior pituitary and plays a role in the milk production and milk ejection reflex?

    <p>Oxytocin</p> Signup and view all the answers

    Which hormone released by the hypothalamus stimulates the anterior pituitary to secrete thyroid-stimulating hormone (TSH)?

    <p>Thyrotropin-releasing hormone (TRH)</p> Signup and view all the answers

    Which hormone released by the hypothalamus stimulates the anterior pituitary to secrete growth hormone (GH)?

    <p>Growth hormone-releasing hormone (GH-RH)</p> Signup and view all the answers

    Which hormone released by the hypothalamus inhibits the release of prolactin from the anterior pituitary?

    <p>Prolactin-inhibiting hormone (PIH) or Dopamine</p> Signup and view all the answers

    Which hormone is primarily responsible for the regulation of water balance in the body?

    <p>Antidiuretic hormone (ADH)</p> Signup and view all the answers

    In the case of central diabetes insipidus, what is the primary cause of the condition?

    <p>Deficiency of ADH</p> Signup and view all the answers

    Which of the following hormones is primarily responsible for the milk ejection reflex in lactating women?

    <p>Oxytocin</p> Signup and view all the answers

    In the syndrome of inappropriate ADH secretion (SIADH), what is the primary consequence of excessive ADH release?

    <p>Dilutional hyponatremia</p> Signup and view all the answers

    Which of the following hormones is considered a tropic hormone, meaning it regulates the secretory action of other endocrine glands?

    <p>Thyroid-stimulating hormone (TSH)</p> Signup and view all the answers

    Which of the following hormones is classified as a gonadotropin, meaning it regulates the activities of the gonads (ovaries and testes)?

    <p>Follicle-stimulating hormone (FSH)</p> Signup and view all the answers

    Which of the following statements accurately describes the role of the hypothalamic-hypophyseal tract?

    <p>It transports oxytocin and ADH from the hypothalamus to the posterior pituitary.</p> Signup and view all the answers

    Which hormone is primarily responsible for stimulating the release of cortisol from the adrenal cortex?

    <p>Adrenocorticotropic hormone (ACTH)</p> Signup and view all the answers

    What is the primary function of oxytocin?

    <p>Inducing labor contractions and facilitating milk ejection during breastfeeding</p> Signup and view all the answers

    Which of the following hormones is responsible for regulating growth and metabolism?

    <p>Growth hormone (GH)</p> Signup and view all the answers

    What is the primary function of the antidiuretic hormone (ADH)?

    <p>Regulating water balance and urine production</p> Signup and view all the answers

    Which of the following hormones is involved in the regulation of the menstrual cycle and reproductive functions?

    <p>Luteinizing hormone (LH) and Follicle-stimulating hormone (FSH)</p> Signup and view all the answers

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