ANA L1C ENDO
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Questions and Answers

What is the average weight of the hypophysis?

  • 1000 mg
  • 200 mg
  • 800 mg
  • 500 mg (correct)
  • Which nerve supplies innervation to all the intrinsic muscles of the larynx, except for the cricothyroid muscles?

  • Accessory nerve
  • Facial nerve
  • Vagus nerve (correct)
  • Glossopharyngeal nerve
  • Where are the parathyroid glands located?

  • Between the inferior poles of the thyroid lobes and the superior mediastinum
  • At the junction of the thyroid and cricoid cartilages
  • On the posterior surface of the thyroid gland (correct)
  • Inferior to the larynx
  • Which structure is the hypophysis connected to?

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

    Which arteries supply blood to the thyroid gland?

    <p>Inferior thyroid arteries</p> Signup and view all the answers

    Where is the hypophysis located?

    <p>Sella turcica</p> Signup and view all the answers

    Where are the adrenal glands located in relation to the diaphragm?

    <p>Resting on the diaphragm</p> Signup and view all the answers

    Which part of the hypophysis is an ectodermal derivative of the stomatodeum?

    <p>Pars anterior, Pars intermedia, Pars tuberalis</p> Signup and view all the answers

    Which artery is the first branch of the external carotid artery and supplies the thyroid gland?

    <p>Superior thyroid artery</p> Signup and view all the answers

    Which vein drains into the internal jugular vein and is involved in the venous drainage of the thyroid gland?

    <p>Superior thyroid vein; Middle thyroid vein</p> Signup and view all the answers

    Which nodes are involved in the lymphatic drainage of the thyroid gland?

    <p>Paratracheal nodes</p> Signup and view all the answers

    Which nerve provides innervation to the thyroid gland after looping around the subclavian artery on the right and the arch of the aorta on the left?

    <p>Vagus nerve</p> Signup and view all the answers

    What is the size of the hypophysis?

    <p>12 mm in transverse and 8 mm in anteroposterior diameter</p> Signup and view all the answers

    Which part of the hypophysis is connected to the hypothalamus via the pituitary stalk?

    <p>Pars posterior (pars nervosa, posterior or neural lobe)</p> Signup and view all the answers

    Which structures are located superiorly to the pituitary gland?

    <p>Optic chiasma, optic tracts, third ventricle</p> Signup and view all the answers

    What is the function of the chromaffin cells in the adrenal gland?

    <p>Secrete catecholamines into the bloodstream in response to stress</p> Signup and view all the answers

    Which hormones are secreted by the zona glomerulosa of the adrenal cortex?

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

    From where do the superior adrenal arteries arise?

    <p>Inferior Phrenic Arteries</p> Signup and view all the answers

    What is the color of the adrenal cortex?

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

    How is the right adrenal vein positioned in relation to the Inferior Vena Cava?

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

    Where does the lymphatic drainage from the right adrenal gland go above the diaphragm?

    <p>Renal hilar nodes</p> Signup and view all the answers

    How are the adrenal glands primarily innervated?

    <p>By the celiac plexus and greater splanchnic nerves</p> Signup and view all the answers

    Where do sympathetic nerves stimulate the release of catecholamines from in the adrenal medulla?

    <p>Chromaffin cells</p> Signup and view all the answers

    Which nerve is most likely to be responsible for the persistent hoarseness and dysphagia after surgery?

    <p>Recurrent laryngeal nerve</p> Signup and view all the answers

    Where are the parathyroid glands located in relation to the thyroid gland?

    <p>Posterior to the thyroid gland</p> Signup and view all the answers

    Which section of the adrenal glands rests on the diaphragm?

    <p>Right gland</p> Signup and view all the answers

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