Pars Intermedia
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Questions and Answers

Which gland is also known as the hypophysis?

  • Adrenal gland
  • Pituitary gland (correct)
  • Parathyroid gland
  • Thyroid gland

Which hormones act directly on non-endocrine tissues?

  • Thyroid stimulating hormone (TSH)
  • Luteinizing hormone (LH)
  • Follicle stimulating hormone (FSH)
  • Growth hormone (GH) (correct)

Which part of the pituitary gland has a thin fibrous capsule and contains chromophils and chromophobes?

  • Pars nervosa
  • Pars distalis (correct)
  • Pars tuberalis
  • Pars intermedia

Which type of cells in the pars distalis secrete growth hormone ?

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

Which region of the pituitary gland surrounds the infundibulum of the neurohypophysis?

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

Which part of the endocrine system is responsible for synthesis, storage, and secretion of hormones?

<p>The major endocrine organs (A)</p> Signup and view all the answers

What are the staining characteristics and functions of the subtypes of cells in the pars distalis?

<p>Stains blue and secretes growth hormones (D)</p> Signup and view all the answers

Which part of the pituitary gland is responsible for storing secretions?

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

What is the main function of the cells in the diffuse endocrine system?

<p>Provide paracrine signaling (A)</p> Signup and view all the answers

What are the characteristics of cells in endocrine glands?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following hormones is released in response to increased blood tonicity?

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

What is the function of ADH in the renal collecting ducts?

<p>Increase water reabsorption (A)</p> Signup and view all the answers

Which condition can occur due to head trauma affecting the posterior pituitary?

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

What is the main function of oxytocin during childbirth?

<p>Stimulate uterine smooth muscle contraction (D)</p> Signup and view all the answers

Which cells in the mammary gland does oxytocin act on?

<p>Myoepithelial cells (D)</p> Signup and view all the answers

What is the neural connection between the hypothalamus and the pituitary gland called?

<p>Hypothalamic-hypophyseal tract (C)</p> Signup and view all the answers

Which arteries supply the pituitary gland?

<p>Internal carotid arteries (A)</p> Signup and view all the answers

Which of the following is true about the pars intermedia of the anterior pituitary gland?

<p>It secretes melanocyte stimulating hormone (MSH) (C)</p> Signup and view all the answers

What is the ultrastructure of the cells in the anterior pituitary gland?

<p>All of the above (D)</p> Signup and view all the answers

How are the activities of the cells in the anterior pituitary gland controlled?

<p>All of the above (D)</p> Signup and view all the answers

What are Herring bodies in the posterior pituitary gland?

<p>Axonal dilatations (D)</p> Signup and view all the answers

What triggers the release of peptides from Herring bodies in the posterior pituitary gland?

<p>Nerve impulses along the axons (C)</p> Signup and view all the answers

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