Human Anatomy II: Endocrine System Anatomy Quiz
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Questions and Answers

Which gland is located near the center of the brain and secretes melatonin?

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

    • Which hormone helps regulate sleep by increasing at night and decreasing during the day?

  • Melatonin (correct)
  • Thymosin
  • Insulin
  • Glucagon

    • What is the primary function of thymosin secreted by the thymus gland?

  • Stimulate T-cell formation (correct)
  • Stimulate growth hormone production
  • Promote sleep
  • Break down stored glycogen

    • Where are the ovaries located in the human body?

    <p>Pelvic cavity</p> Signup and view all the answers

    Which hormone is responsible for preparing the uterus to receive a fertilized egg?

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

    What does glucagon stimulate in its cells to increase glucose levels in the blood?

    <p>Breakdown stored glycogen</p> Signup and view all the answers

    What is the main function of testosterone in males?

    <p>Enhancing the growth and development of male reproductive structures</p> Signup and view all the answers

    Which of the following is NOT a function of testosterone?

    <p>Enlargement of the liver</p> Signup and view all the answers

    What major processes are controlled by hormones according to the text?

    <p>Reproduction, growth, body defenses, homeostasis, and metabolism</p> Signup and view all the answers

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

    <p>Reabsorption of water from renal tubules</p> Signup and view all the answers

    Which statement is accurate regarding the actions of hormones on homeostasis?

    <p>Hormones help in regulating the chemical composition and volume of the body</p> Signup and view all the answers

    Which hormone, when produced in large amounts, can cause vasoconstriction leading to increased blood pressure?

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

    What is one of the effects of testosterone that is NOT mentioned in the text?

    <p>Enhanced sense of taste</p> Signup and view all the answers

    Which gland requires iodine and tyrosine to produce thyroid hormones?

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

    What is the function of calcitonin (CT) produced by the thyroid gland?

    <p>Transport excess calcium into bones</p> Signup and view all the answers

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

    <p>At the posterior surface of the thyroid gland</p> Signup and view all the answers

    Which part of the adrenal gland is responsible for producing cortisol?

    <p>Outer adrenal cortex</p> Signup and view all the answers

    What is the main function of the endocrine system?

    <p>Controlling physio-chemical functions</p> Signup and view all the answers

    Which of the following best describes the nature of endocrine glands?

    <p>Produce specialized secretions</p> Signup and view all the answers

    How do hormones travel within the body in the endocrine system?

    <p>Via diffusion from secretory cells into the blood and lymph</p> Signup and view all the answers

    Which feature distinguishes the endocrine system from the nervous system?

    <p>Use of nerve impulses for communication</p> Signup and view all the answers

    What is the primary mode of transport for hormones in the endocrine system?

    <p>Diffusion from secretory cells into blood and lymph</p> Signup and view all the answers

    What is the significance of endocrine glands being widely separated?

    <p>Enables widespread distribution of hormones in the body</p> Signup and view all the answers

    Where is the hypothalamus located in the brain?

    <p>Between the pituitary gland and thalamus</p> Signup and view all the answers

    Which of the following is NOT controlled by the hypothalamus?

    <p>Thyroid hormone production</p> Signup and view all the answers

    How does the hypothalamus communicate with the anterior pituitary gland?

    <p>Through Hypothalamic-hypophyseal portal system</p> Signup and view all the answers

    Which of the following hormones does the hypothalamus secrete into a special portal system?

    <p>Regulating factors</p> Signup and view all the answers

    What structure allows the hypothalamus to communicate with the posterior pituitary gland?

    <p>Pituitary stalk (infundibulum)</p> Signup and view all the answers

    Apart from regulating hormones, which behavioral drives is the hypothalamus involved in?

    <p><strong>Thirst, hunger, and sexual behavior</strong></p> Signup and view all the answers

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