Pituitary Gland Functions and Hormones

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Questions and Answers

What percentage of chromophils do gonadotrophs comprise?

  • 1%
  • 10%
  • 5% (correct)
  • 20%

What is the function of folliculostellate cells in the pituitary gland?

  • Production of thyrotropin
  • Secretion of gonadotropins
  • Supportive role for other cells (correct)
  • Regulation of hypothalamic hormones

Which system plays a crucial role in the regulation of hormone secretion in the anterior lobe of the pituitary gland?

  • Endocrine system
  • Hypophyseoportal system (correct)
  • Neurohypophyseal system
  • Adenohypophyseal system

Which type of cells are predominantly found in the pars tuberalis region of the pituitary gland?

<p>Gonadotrophs and thyrotrophs (C)</p> Signup and view all the answers

What is the main function of undifferentiated stem cells in the pituitary gland?

<p>Cell replacement and growth (C)</p> Signup and view all the answers

What is the characteristic of the intermediate lobe of the pituitary gland?

<p>Thin and poorly developed (B)</p> Signup and view all the answers

What is the primary function of vasopressin?

<p>To constrict blood vessels and retain water in the body (D)</p> Signup and view all the answers

What is the name of the hormone that stimulates contraction of mammary glands to produce milk?

<p>Oxytocin (A)</p> Signup and view all the answers

What is the name of the part of the pituitary gland that arises from neural ectoderm?

<p>Neurohypophysis (B)</p> Signup and view all the answers

What is the name of the hormone that regulates growth and development?

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

What is the term used to describe the pituitary gland due to its crucial role in regulating other endocrine glands?

<p>Master gland (A)</p> Signup and view all the answers

What is the name of the hormone that stimulates the contraction of the smooth muscle of the uterus?

<p>Oxytocin (C)</p> Signup and view all the answers

What is the function of Glucagon in the body?

<p>To increase the blood glucose level (A)</p> Signup and view all the answers

Which of the following cells produces Somatostatin?

<p>D-cell (C)</p> Signup and view all the answers

What is the main function of Insulin?

<p>To facilitate the entry of glucose (A)</p> Signup and view all the answers

Which zone of the adrenal cortex produces hormones that regulate electrolyte balance?

<p>Zona Glomerulosa (D)</p> Signup and view all the answers

What is the term for the cluster of chromaffin cells found in the adrenal medulla?

<p>Paraganglia (B)</p> Signup and view all the answers

What is the function of Pancreatic Polypeptide?

<p>To slow down the absorption of food from the intestine (B)</p> Signup and view all the answers

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