Endocrine System - Advanced Quiz
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Questions and Answers

Which gland is under direct neural control from the hypothalamus?

  • Anterior Pituitary gland (correct)
  • Thyroid gland
  • Adrenal gland
  • Mammary gland
  • Which hormone(s) inhibit(s) the secretion of corticotropin releasing hormone (CRH) from the hypothalamus?

  • Antidiuretic hormone (vasopressin)
  • Follicle-stimulating hormone (FSH)
  • Adrenocorticotropic hormone
  • Glucocorticoids (cortisol & corticosterone) (correct)
  • How does the hypothalamus regulate the anterior pituitary gland?

  • Hypothalamic releasing hormones (RH) (correct)
  • Direct neural control
  • Paracrine communication
  • Neurosecretion from axon terminals originating in hypothalamus
  • How do triiodothyronine (T3) and thyroxine (T4) regulate their own secretion?

    <p>Inhibit secretion of both thyrotropin releasing hormone (TRH) and thyroid-stimulating hormone (TSH).</p> Signup and view all the answers

    Which pancreatic hormone would you expect to be released after eating a bar of chocolate?

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

    Which hormone level would you expect to be elevated during a period of fasting between meals?

    <p>Glucagon &amp; Glucocorticoids</p> Signup and view all the answers

    Which hormone level would you expect to be elevated during prolonged starvation?

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

    What is the main target tissue for mineralocorticoids?

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

    Which of the following regulates secretion of parathyroid hormone (PTH)?

    <p>Ca2+ concentration</p> Signup and view all the answers

    Steroid hormones easily pass through the plasma membrane by simple diffusion because they:

    <p>are lipid soluble</p> Signup and view all the answers

    Most commonly, hormone release is controlled by

    <p>negative feedback</p> Signup and view all the answers

    Role of hormones:

    <p>all of the other options</p> Signup and view all the answers

    The hypothalamus can inhibit the release of:

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

    Peptide hormones exert their effect via:

    <p>Membrane receptors of target cells</p> Signup and view all the answers

    The action of Angiotensin II is opposed by:

    <p>Natriuretic peptides (ANP and BNP)</p> Signup and view all the answers

    Which of the following is NOT a part of the pituitary gland:

    <p>Superior lobe (Cerebrohypophysis)</p> Signup and view all the answers

    Follicle stimulating hormone in males supports:

    <p>Maturation of sperm</p> Signup and view all the answers

    A cell's hormonal sensitivities are determined by the:

    <p>Presence of appropriate receptors</p> Signup and view all the answers

    What four cell populations make up the endocrine pancreas? I - Alpha cells; II - Beta cells; III - Gamma cells; IV - Delta cells; V - Kappa cells; VI - F cells; VII - T cells

    <p>I, II, III, IV</p> Signup and view all the answers

    Which of the following hormones is NOT produced by the pancreas?

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

    What is the primary difference in the way the nervous system (NS) and endocrine system (ES) communicate with their target cells?

    <p>Time course and specificity of responses</p> Signup and view all the answers

    Which gland is controlled by the sympathetic nervous system and the endocrine system?

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

    Which structure is responsible for integrating the responses of the endocrine and nervous systems?

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

    Which of the following are INCORRECTLY paired?

    <p>Progesterone: increased plasma glucose levels</p> Signup and view all the answers

    Study Notes

    Endocrine System - Advanced

    • Question 1: The anterior pituitary gland is under direct neural control from the hypothalamus.
    • Question 2: Glucocorticoids (cortisol and corticosterone) inhibit the secretion of corticotropin-releasing hormone (CRH) from the hypothalamus.
    • Question 3: The hypothalamus regulates the anterior pituitary gland through:
      • Direct neural control
      • Neurosecretion from axon terminals originating in the hypothalamus
      • Hypothalamic releasing hormones (RH)
      • Paracrine communication
    • Question 4: The hypothalamus regulates the posterior pituitary gland through:
      • Direct neural control
      • Neurosecretion from axon terminals originating in the hypothalamus
    • Question 5: Triiodothyronine (T3) and thyroxine (T4) regulate their own secretion through autoregulation at the thyroid gland.
    • Question 6: Insulin is released after eating a bar of chocolate.
    • Question 7: Glucagon and Glucocorticoids are elevated during fasting between meals.
    • Question 8: Glucagon and Glucocorticoids are elevated during prolonged starvation.
    • Question 9: The main target tissue for mineralocorticoids is the kidney.
    • Question 10: Calcium ion concentration regulates secretion of parathyroid hormone (PTH).
    • Question 11: Steroid hormones easily pass through the plasma membrane because they are lipid soluble.
    • Question 12: Hormone release is most commonly controlled by negative feedback.
    • Question 13: Roles of hormones include: regulating metabolism, stimulating gamete production, and controlling growth.
    • Question 14: The hypothalamus can inhibit the release of thyroid-stimulating hormone (TSH).
    • Question 15: Peptide hormones exert their effect via membrane receptors of target cells.
    • Question 16: The action of angiotensin II is opposed by natriuretic peptides (ANP and BNP).
    • Question 17: The superior lobe (Cerebrohypophysis) is not a part of the pituitary gland.
    • Question 18: Follicle stimulating hormone (FSH) in males supports the maturation of sperm.
    • Question 19: A cell's hormonal sensitivities are determined by the presence of appropriate receptors.
    • Question 20: Four cell populations making up the endocrine pancreas are Alpha cells, Beta cells, Delta cells, and F cells.
    • Question 21: Growth hormone is not produced by the pancreas.
    • Question 22: The primary difference in how the nervous and endocrine system communicate with target cells is the time course and specificity of their responses.
    • Question 23: The adrenal gland is controlled by the sympathetic nervous system and the endocrine system.
    • Question 24: The hypothalamus integrates responses of the endocrine and nervous systems.
    • Question 25: Incorrectly paired is Progesterone: increased plasma glucose levels.

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    Endocrine System - Advanced PDF

    Description

    Test your knowledge on the advanced concepts of the endocrine system, including the roles of the hypothalamus, pituitary glands, and hormone regulation. This quiz covers the mechanisms of action and feedback loops involved in hormonal secretion and regulation. Perfect for students looking to deepen their understanding of human physiology.

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